Civic Intelligence

Muddy River Arts Inc

EIN 81-5350446 • 501(c)3 • Brookline, MA

Profile

ArtsBrookline promotes art and supports artists in the Brookline community by identifying places and opportunities for artistic expression in Brookline, leasing affordable art studio workspaces in Brookline, delivering arts-centered public education, cultivating equitable access to the arts and art marketplaces, and encouraging public dialogue and education about the historical and ongoing value of the arts as an essential part of a healthy, thriving community.

17 Station Street Suite 202Brookline, MA 02445

www.artsbrookline.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

59th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Liabilities / Revenue

61st percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • <$500k nonprofits • Source year 2024

Net Margin

48th percentile

0.8%

Higher net margin than 48% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2024

Top Officer Pay

84th percentile

$0

Higher top officer pay than 84% of similar nonprofits.

Top officer pay equals 0.0% of source-year revenue.

501(c)3 • <$500k nonprofits • Source year 2024

Asset Growth

Score unavailable

No value available

No earlier valid filing was available within the previous three public years.

Source year 2024

Revenue Growth

Score unavailable

No value available

No earlier valid filing was available within the previous three public years.

Source year 2024

Balance Sheet
Liabilities / Assets59th percentile

Assets

Up

$17,041

Up $1,119 (+7.0%) from 2024

Liabilities

Up

$1,381

Up $1,381 from 2024

Net Assets

Down

$15,660

Down $262 (-1.6%) from 2024

Operations
Liabilities / Revenue61st percentileNet Margin48th percentile

Revenue

Up

$117,523

Up $23,461 (+25%) from 2024

Expenses

Up

$117,785

Up $24,465 (+26%) from 2024

Net Income

Down

-$262

Down $1,004 (-135%) from 2024

Trend Graphs

Balance Sheet Trend

Asset GrowthScore unavailable

Grouped bars show assets, liabilities, and net assets across loaded filings.

$20K$15K$10K$5.0K$0Assets 2017: $4,055Liabilities 2017: $02017Assets 2023: $15,180Liabilities 2023: $0Net Assets 2023: $15,1802023Assets 2024: $15,922Liabilities 2024: $0Net Assets 2024: $15,9222024Assets 2025: $17,041Liabilities 2025: $1,381Net Assets 2025: $15,6602025

Highlighted filing

2025

Assets$17,041
Liabilities$1,381
Net Assets$15,660
Open 2025 Filing

Operations Trend

Revenue GrowthScore unavailable

Revenue, expenses, and net income by year, with the latest filing highlighted.

$150K$100K$50K$0-$50KRevenue 2017: $10,671Expenses 2017: $6,616Net Income 2017: $4,0552017Revenue 2023: $60,794Expenses 2023: $50,180Net Income 2023: $10,6142023Revenue 2024: $94,062Expenses 2024: $93,320Net Income 2024: $7422024Revenue 2025: $117,523Expenses 2025: $117,785Net Income 2025: -$2622025

Highlighted filing

2025

Revenue$117,523
Expenses$117,785
Net Income-$262
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$17,041
Liabilities
$1,381
Net assets
$15,660
Revenue
$117,523
Expenses
$117,785
Net income
-$262
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$0.17$0.01$0.16$1.18$1.18$0.00
2024Detailed filing. Detailed filing data is available for this year.$0.16$0.00$0.16$0.94$0.93$0.01
2023Detailed filing. Detailed filing data is available for this year.$0.15$0.00$0.15$0.61$0.50$0.11
2017Summary only. Only limited summary data is available for this year.$0.04$0.00$0.11$0.07$0.04
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Mar 16, 2026
Return Version
2025v4.0
Gross Receipts
$117,523
Mission and Program Overview

Mission

ArtsBrookline promotes art and supports artists in the Brookline community by identifying places and opportunities for artistic expression in Brookline, leasing affordable art studio workspaces in Brookline, delivering arts-centered public education, cultivating equitable access to the arts and art marketplaces, and encouraging public dialogue and education about the historical and ongoing value of the arts as an essential part of a healthy, thriving community.

Program Services

DescriptionGrantsExpenses
ArtsBrookline manages Station Street Studios, a studio space whose goal is to provide affordable artist workspaces with below market rental prices. in 2025, there were 14 artists with workspaces at Station Street Studios.$4,850$90,097
ArtsBrookline organizes and manages a one day outdoor arts festival called Brookline Village Arts Festival on the first Saturday of May. In 2025, there were 60 artists and 950 visitors to this festival.$5,724$8,733
In 2025, ArtsBrookline offered one day art workshops at an affordable price to participants. Seven workshops offered with 25 participants registered. ArtsBrookline will continue to offer workshops in 2026 and future years.$0$778
Third Thursdays. Arts Brookline hosted 11 Third Thursday events in the 2025 calendar year, offering free art activities during each 3 hour event. Estimated number of visitors/participants - 25 unique vistors per event x 11 = 275 visitors for the year.$0$0
Compensation and Service Providers
Top Officer Pay84th percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
Lea CohenPresident-$0--
Amy EmmertCo-President-$0--
Margaret O'ConnellTreasurer-$0--
Caroline BowdenDirector-$0--
Liz LinderDirector-$0--
Brian HochleutnerDirector-$0--
Heather HamiltonDirector-$0--
Karen FlanneryDirector-$0--
Matthew KiersteinDirector-$0--
Michael BergerDirector-$0--
Filing and Contact Details

Filer

Filer Name
Muddy River Arts Inc
EIN
81-5350446
Phone
6174878246
Address
17 Station Street Suite 202, Brookline, MA 02445

Signing Officer

Name
Amy Browning Emmert
Title
Vice President
Phone
6174878246
Signed
2026-03-16
Supplemental Narrative

Additional Explanations

Form 990-EZ, Part I, Line 16

“Description;Amount^Filing Fees;151|Insurance;2944|Merchant account Fees;3126|Internet;2896|Memberships and Subscriptions;624|Advertising;1807|Office Supplies;1846^Total;13394^”

Form 990-EZ, Part II, Line 24

“Description;EOY Amount^Accounts Receivable;325^Total;325^”

Form 990-EZ, Part II, Line 26

“Description;EOY Amount^Customer Prepayments;986|Deferred Income;395^Total;1381^”

Raw XML Appendix316 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.

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IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus1YearAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0117413
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt094062
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt060794
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt03422
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt02720
IRS990ScheduleA/Total509Grp/TotalAmt0278411
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt020611
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt012511
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt09728
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt03422
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt02720
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt048992
IRS990ScheduleA/TotalSupportAmt048993
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0117414
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt094062
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt060794
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt03422
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt02720
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0278412
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus2YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus3YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt00
IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt00
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Description;Amount^Filing Fees;151|Insurance;2944|Merchant account Fees;3126|Internet;2896|Memberships and Subscriptions;624|Advertising;1807|Office Supplies;1846^Total;13394^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Description;EOY Amount^Accounts Receivable;325^Total;325^
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Description;EOY Amount^Customer Prepayments;986|Deferred Income;395^Total;1381^
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990-EZ, Part I, Line 16
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990-EZ, Part II, Line 24
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990-EZ, Part II, Line 26
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0Amy Browning Emmert
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0Vice President
ReturnHeader/BusinessOfficerGrp/PhoneNum06174878246
ReturnHeader/BusinessOfficerGrp/SignatureDt02026-03-16
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0MUDDY RIVER ARTS INC
ReturnHeader/Filer/BusinessNameControlTxt0MUDD
ReturnHeader/Filer/EIN0815350446
ReturnHeader/Filer/PhoneNum06174878246
ReturnHeader/Filer/USAddress/AddressLine1Txt017 Station Street Suite 202
ReturnHeader/Filer/USAddress/CityNm0Brookline
ReturnHeader/Filer/USAddress/StateAbbreviationCd0MA
ReturnHeader/Filer/USAddress/ZIPCd002445
ReturnHeader/ReturnTs02026-03-16T16:34:54-07:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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