Hammer Montessori Foundation

EIN 27-2542742 • 501(c)3 • San Jose, CA

Pub. 78 Eligible990-N Coverage

Profile

Montessori enrichment students community

1610 Bird AveSan Jose, CA 95125

www.sjusd.org/hammer/hammer-montessori-foun

Siviq Scores

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

0.00x

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

501(c)3 • <$500k nonprofits • Source year 2025

0.00x

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

501(c)3 • <$500k nonprofits • Source year 2025

12%

Higher net margin than 66% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Higher top officer pay than 81% of similar nonprofits.

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

501(c)3 • <$500k nonprofits • Source year 2025

7.3%

Faster asset growth than 65% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

24%

Faster revenue growth than 74% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet

Liabilities / Assets60th percentile

Assets

$83,808

Up $5,722 (+7.3%) from 2024

Liabilities

Down

Down $4,789 (-100%) from 2024

Net Assets

$83,808

Up $10,511 (+14%) from 2024

Operations

Liabilities / Revenue62nd percentile Net Margin66th percentile

Revenue

$88,918

Up $17,298 (+24%) from 2024

Expenses

$78,407

Up $30,933 (+65%) from 2024

Net Income

Down

$10,511

Down $13,635 (-56%) from 2024

Trend Graphs

Balance Sheet Trend

Asset Growth65th percentile

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

Highlighted filing

2025

Assets$83,808

Liabilities$0

Net Assets$83,808

Open 2025 Filing

Operations Trend

Revenue Growth74th percentile

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

Highlighted filing

2025

Revenue$88,918

Expenses$78,407

Net Income$10,511

Open 2025 Filing

Filings

Most recent year

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

Open filing

Assets: $83,808
Liabilities: $0
Net assets: $83,808
Revenue: $88,918
Expenses: $78,407
Net income: $10,511

	Balance Sheet			Operations
Year	Assets	Liabilities	Net Assets	Revenue	Expenses	Net Income
2025Detailed filing. Detailed filing data is available for this year.	$83.8	$0.00	$83.8	$88.9	$78.4	$10.5
2024Detailed filing. Detailed filing data is available for this year.	$78.1	$4.79	$73.3	$71.6	$47.5	$24.1
2023Detailed filing. Detailed filing data is available for this year.	$49.2	$0.00	$49.2	$71.2	$79.1	$7.96
2017Detailed filing. Detailed filing data is available for this year.	$83.5		$83.5	$59.3	$51.2	$8.04
2016Detailed filing. Detailed filing data is available for this year.	$75.4		$75.4	$69.1	$58.2	$10.9

Latest Filing Detail

Jump To

Filing Snapshot

Filing Period: Jul 1, 2024 to Jun 30, 2025
Signed: Nov 9, 2025
Return Version: 2024v5.0
Gross Receipts: $98,887

Mission and Program Overview

Mission

Hammer Montessori Foundation is an all-volunteer nonprofit organization that raises funds to support programs that benefit all students, teachers, and families in our school community. As an official school-connected organization, we address needs identified together with our school principal and faculty, advancing the school's aim to educate the whole child.

Montessori enrichment students community

Program Services

Description	Grants	Expenses
Other Programs and Services Montessori Materials 9320 Supplies Materials 8503 Library Support Materials 436 Teacher Enrichment 150 Project Cornerstone 1000	-	$19,410
Field Trips and Assemblies for Students Mission San Juan Bautista For Goodness Snake Youth Science Institute History Of San Jose Mobile ED DeAnza Planetarium Intel Museum The Tech Emma Prusch Henry Cowell	-	$18,402
Capital Projects School Infrastructure 3x Classroom whiteboards Epson BrightLink 770Fi Ultra Short Throw 3 LCD Projector	-	$17,570
Starting Arts Program Music and Arts Educational Programs	-	$14,280

Compensation and Service Providers

Top Officer Pay81st percentile

Employees

Name	Title	Full / Part Time	Base	Other	Total
Kristen Vlietstra	President	PT	$0	-	-
Mital Poddar	Vice-President	PT	$0	-	-
LANCE HERMAN	Treasurer	-	$0	-	-
ELMER GARDUNO	Co-Treasurer	-	$0	-	-
Katy Bosworth	Secretary	-	$0	-	-

Fundraising, Events, and Gaming

Fundraising Events

Event	Gross Receipts	Gross Revenue	Direct Expenses	Net Income
Walkathon	$26,668	$0	$4,888	$-4,888
Event 2	$0	$0	$0	$0
Total Events	$29,320	$2,652	$6,223	$-3,571

Filing and Contact Details

Filer

Filer Name: Hammer Montessori Foundation
EIN: 27-2542742
Phone: 0000000000
Address: 1610 BIRD AVE, SAN JOSE, CA 95125

Signing Officer

Name: Elmer Garduno
Title: Co-Treasurer
Phone: 0000000000
Signed: 2025-11-09

Supplemental Narrative

Additional Explanations

Schedule O:

“Explanations * part 1.16. Other expenses: -filing fees & state renewals $310 - insurance $699 * part 2.26 total liabilities - credit card balance from previous fy $4,790”

Raw XML Appendix257 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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IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc	0	Schedule O:
ReturnHeader/BuildTS	0	2025-03-06 01:10:19Z
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ReturnHeader/Filer/BusinessNameControlTxt	0	HAMM
ReturnHeader/Filer/EIN	0	272542742
ReturnHeader/Filer/PhoneNum	0	0000000000
ReturnHeader/Filer/USAddress/AddressLine1Txt	0	1610 BIRD AVE
ReturnHeader/Filer/USAddress/CityNm	0	SAN JOSE
ReturnHeader/Filer/USAddress/StateAbbreviationCd	0	CA
ReturnHeader/Filer/USAddress/ZIPCd	0	95125
ReturnHeader/IRSResponsiblePrtyInfoCurrInd	0	true
ReturnHeader/ReturnTs	0	2025-11-09T19:30:02Z
ReturnHeader/ReturnTypeCd	0	990EZ
ReturnHeader/TaxPeriodBeginDt	0	2024-07-01
ReturnHeader/TaxPeriodEndDt	0	2025-06-30
ReturnHeader/TaxYr	0	2024

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