Liabilities / Assets
85th percentile
Higher debt load relative to assets than 85% of similar nonprofits.
Brookline Greenspace Alliance Inc
EIN 04-3021928 • 501(c)3 • Brookline Village, MA
Profile
To preserve, protect and enhance the parks and open spaces in Brookline, MA through outreach, education and advocacy. Our goals are to increase citizen involvement in the protection and stewardship of Brookline's parks, sanctuaries, playing fields and street trees; improve management and maintenance of open space; and to work with the Town government and citizen groups to protect significant remaining open spaces.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.28x
Liabilities / Revenue
94th percentile
Higher debt load relative to revenue than 94% of similar nonprofits.
Net Margin
83rd percentile
Higher net margin than 83% of similar nonprofits.
Top Officer Pay
84th percentile
Higher top officer pay than 84% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
72nd percentile
Faster asset growth than 72% of similar nonprofits.
Revenue Growth
90th percentile
Faster revenue growth than 90% of similar nonprofits.
Balance Sheet
Assets
Up$329,807
Up $40,284 (+14%) from 2023
Liabilities
Up$91,343
Up $5,961 (+7.0%) from 2023
Net Assets
Up$238,464
Up $34,323 (+17%) from 2023
Revenue
Up$103,886
Up $46,888 (+82%) from 2023
Expenses
Up$69,563
Up $1,674 (+2.5%) from 2023
Net Income
Up$34,323
Up $45,214 (+415%) from 2023
Trend Graphs
Filings
Most recent year
2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $329,807
- Liabilities
- $91,343
- Net assets
- $238,464
- Revenue
- $103,886
- Expenses
- $69,563
- Net income
- $34,323
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2024 to Dec 31, 2024
- Signed
- Mar 15, 2025
- Return Version
- 2024v5.0
- Gross Receipts
- $106,366
Mission and Program Overview
Mission
To preserve, protect and enhance the parks and open spaces in Brookline, MA through outreach, education and advocacy. Our goals are to increase citizen involvement in the protection and stewardship of Brookline's parks, sanctuaries, playing fields and street trees; improve management and maintenance of open space; and to work with the Town government and citizen groups to protect significant remaining open spaces.
Program Services
| Description | Grants | Expenses |
|---|---|---|
| Friends group fiscal sponsorship - Disbursements for Minot Rose Garden, Larz Anderson Park, and Muddy Water Initiative $46,109 | $0 | $46,109 |
| Design and fabrication of signs for Fisher Hill Reservoir Park ($8,393); Award for work on Carlton Street Footbridge ($266); Contribution to Brookline to support Springfest event ($500) | $0 | $9,159 |
| Public education for appreciation of public open space through: newsletter publication (1 issue of PLACE newsletter distributed to ~1,400) $4,301 | $0 | $4,301 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Sean Lynn-Jones | President & Director | PT | $0 | - | - |
| Ernest Cook | Vice President And Director | PT | $0 | - | - |
| Marian Lazar | Marian Lazar, Vice President-Publications & Director | PT | $0 | - | - |
| Ron Brown | Treasurer & Director | - | $0 | - | - |
| Rob Schoen | Secretary & Director | - | $0 | - | - |
| Harry Bohrs | Director | - | $0 | - | - |
| Susan Helms Daley | Director | - | $0 | - | - |
| John Dempsey | Director | - | $0 | - | - |
| Jane Flanagan | Director | - | $0 | - | - |
| Olivia Fischer Fox | Director | - | $0 | - | - |
| Ann Frechette | Director | - | $0 | - | - |
| Anita Johnson | Director | - | $0 | - | - |
| Mark Lewis | Director | - | $0 | - | - |
| Arlene Mattison | Director | - | $0 | - | - |
| Hugh Mattison | Director | PT | $0 | - | - |
| Clint Richmond | Director | - | $0 | - | - |
| Deborah Rivers | Director | - | $0 | - | - |
| John Shreffler | Director | - | $0 | - | - |
| Marilyn Ray Smith | Director | - | $0 | - | - |
Fundraising, Events, and Gaming
Fundraising Events
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Growing Green reception 9/22/2024 | $20,000 | $3,250 | $150 | $3,100 |
| Total Events | $20,000 | $3,250 | $2,480 | $770 |
Filing and Contact Details
Filer
- Filer Name
- Brookline Greenspace Alliance Inc
- EIN
- 04-3021928
- Phone
- 6174772777
- Address
- P O Box 470514, Brookline Village, MA 02447
Signing Officer
- Name
- Sean Lynn-Jones
- Title
- President
- Phone
- 6172774777
- Signed
- 2025-03-15
Supplemental Narrative
Additional Explanations
Form 990-EZ, Part I, Line 8
“Fiscal sponsorship fees $2,225; Town of Brookline Fisher Hill Reservoir Park in accordance with Conservation Restriction $500”
Form 990-EZ, Part I, Line 16
“Disbursed to Friends groups $46,109; Support for Parks & open space $9,159; Walks $291; Return envelopes (fundraising) $611; Insurance $1,732; Memberships & dues $1,250; Other Bank Charges, Supplies, Software, Filing fees, donations $1,715; Friends group support $3,274; Annual Meeting $1,121”
Form 990-EZ, Part II, Line 26
“Friends of Emerson Garden $56; Friends of Carlton St. Footbridge $201; Friends of Minot Rose Garden $6,978; Friends of Leverett Pond $1,008; Friends of Waldstein Park $1,520; Friends of Dane Park $5,750; Friends of Larz Anderson Park $3,597; Lawton Park Community Garden $500; Friends of Lost Pond $4,368; Beacon Bridleway $1,984; Friends of Putterham Woods $3,620; Unexpended ARPA Grant $31,500; Cert. of Deposit-CR Restricted $30,261”
Raw XML Appendix314 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990EZ/BenefitsPaidToOrForMembersAmt | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | Hugh Mattison |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 6172774777 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | P O Box 470514 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | Brookline Village |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02447 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 289523 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 329807 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 0 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 74477 |
| IRS990EZ/CostOfGoodsSoldAmt | 0 | 0 |
| IRS990EZ/CostOrOtherBasisExpenseSaleAmt | 0 | 0 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 34323 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 0 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form1120PolFiledInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 289523 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 329807 |
| IRS990EZ/FundraisingGrossIncomeAmt | 0 | 20000 |
| IRS990EZ/GainOrLossFromSaleOfAssetsAmt | 0 | 0 |
| IRS990EZ/GamingGrossIncomeAmt | 0 | 0 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 0 |
| IRS990EZ/GrossProfitLossSlsOfInvntryAmt | 0 | 0 |
| IRS990EZ/GrossReceiptsAmt | 0 | 106366 |
| IRS990EZ/GrossSalesOfInventoryAmt | 0 | 0 |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 9164 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 0 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 0 |
| IRS990EZ/LobbyingActivitiesInd | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MembershipDuesAmt | 0 | 0 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 204141 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 238464 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 204141 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 238464 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 25 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 6 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 10 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 4 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 0.5 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 12 | 0.5 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 13 | 4 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 14 | 12 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 15 | 0.5 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 16 | 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 17 | 1 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 18 | 2 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 12 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 13 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 14 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 15 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 16 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 17 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 18 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | Sean Lynn-Jones |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | Ernest Cook |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | Marian Lazar |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | Ron Brown |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | Rob Schoen |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | Harry Bohrs |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | Susan Helms Daley |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | John Dempsey |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | Jane Flanagan |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | Olivia Fischer Fox |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | Ann Frechette |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | Anita Johnson |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 12 | Mark Lewis |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 13 | Arlene Mattison |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 14 | Hugh Mattison |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 15 | Clint Richmond |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 16 | Deborah Rivers |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 17 | John Shreffler |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 18 | Marilyn Ray Smith |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | President & Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | Vice President and Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | Marian Lazar, Vice President-Publications & Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | Treasurer & Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | Secretary & Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 11 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 12 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 13 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 14 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 15 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 16 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 17 | Director |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 18 | Director |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 0 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 65262 |
| IRS990EZ/OtherRevenueTotalAmt | 0 | 2725 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | To preserve, protect and enhance the parks and open spaces in Brookline, MA through outreach, education and advocacy. Our goals are to increase citizen involvement in the protection and stewardship of Brookline's parks, sanctuaries, playing fields and street trees; improve management and maintenance of open space; and to work with the Town government and citizen groups to protect significant remaining open spaces. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 4301 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | Friends group fiscal sponsorship - Disbursements for Minot Rose Garden, Larz Anderson Park, and Muddy Water Initiative $46,109 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | Public education for appreciation of public open space through: newsletter publication (1 issue of PLACE newsletter distributed to ~1,400) $4,301 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 2 | Design and fabrication of signs for Fisher Hill Reservoir Park ($8,393); Award for work on Carlton Street Footbridge ($266); Contribution to Brookline to support Springfest event ($500) |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 1 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 2 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 46109 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 1 | 4301 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 2 | 9159 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 0 |
| IRS990EZ/SaleOfAssetsGrossAmt | 0 | 0 |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/SpecialEventsDirectExpensesAmt | 0 | 2480 |
| IRS990EZ/SpecialEventsNetIncomeLossAmt | 0 | 17520 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | MA |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 85382 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 91343 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 69563 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 59569 |
| IRS990EZ/TotalRevenueAmt | 0 | 103886 |
| IRS990EZ/TransactionWithControlEntInd | 0 | 0 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | www.brooklinegreenspace.org |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | Fiscal sponsorship fees ($2,225); Fisher Hill Reservoir Park iaw Conservation Restriction ($500) |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | Schedule A, Part II, Line 10 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 74477 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 52898 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 77630 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 43162 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 24053 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 272220 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 9164 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1678 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1075 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2521 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 8588 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 23026 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | 2725 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2422 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5386 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 219 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 148 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 10900 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.88918 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.91070 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 272220 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 74477 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 52898 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 77630 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 43162 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 24053 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 272220 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 306146 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus1YearAmt | 0 | 0 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 0 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 0 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 0 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleG/FundraisingEventInformationGrp/CashPrizesEvent1Amt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CashPrizesTotalEventsAmt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContributionsTotAmt | 0 | 16750 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContriEvent1Amt | 0 | 16750 |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 2480 |
| IRS990ScheduleG/FundraisingEventInformationGrp/EntertainmentEvent1Amt | 0 | 500 |
| IRS990ScheduleG/FundraisingEventInformationGrp/EntertainmentOtherEventsAmt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/EntertainmentTotalEventsAmt | 0 | 500 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | Growing Green reception 9/22/2024 |
| IRS990ScheduleG/FundraisingEventInformationGrp/FoodAndBeverageEvent1Amt | 0 | 1830 |
| IRS990ScheduleG/FundraisingEventInformationGrp/FoodAndBeverageOtherEventsAmt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/FoodAndBeverageTotalEventsAmt | 0 | 1830 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 20000 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 20000 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt | 0 | 3250 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt | 0 | 3250 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt | 0 | 770 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NonCashPrizesEvent1Amt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NonCashPrizesTotalEventsAmt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt | 0 | 150 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt | 0 | 150 |
| IRS990ScheduleG/FundraisingEventInformationGrp/RentFacilityCostsEvent1Amt | 0 | 0 |
| IRS990ScheduleG/FundraisingEventInformationGrp/RentFcltyCostsTotalEventsAmt | 0 | 0 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Fiscal sponsorship fees $2,225; Town of Brookline Fisher Hill Reservoir Park in accordance with Conservation Restriction $500 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Disbursed to Friends groups $46,109; Support for Parks & open space $9,159; Walks $291; Return envelopes (fundraising) $611; Insurance $1,732; Memberships & dues $1,250; Other Bank Charges, Supplies, Software, Filing fees, donations $1,715; Friends group support $3,274; Annual Meeting $1,121 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Friends of Emerson Garden $56; Friends of Carlton St. Footbridge $201; Friends of Minot Rose Garden $6,978; Friends of Leverett Pond $1,008; Friends of Waldstein Park $1,520; Friends of Dane Park $5,750; Friends of Larz Anderson Park $3,597; Lawton Park Community Garden $500; Friends of Lost Pond $4,368; Beacon Bridleway $1,984; Friends of Putterham Woods $3,620; Unexpended ARPA Grant $31,500; Cert. of Deposit-CR Restricted $30,261 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990-EZ, Part I, Line 8 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990-EZ, Part I, Line 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990-EZ, Part II, Line 26 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Sean Lynn-Jones |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6172774777 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-03-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | BROOKLINE GREENSPACE ALLIANCE INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | BROO |
| ReturnHeader/Filer/EIN | 0 | 043021928 |
| ReturnHeader/Filer/PhoneNum | 0 | 6174772777 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | P O Box 470514 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Brookline Village |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | MA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 02447 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/ReturnTs | 0 | 2025-05-13T11:47:49-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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