Longtine Charitable Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Longtine Charitable Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 31-6655887

Foundation Overview

Based in Chestnut Hill, MA, Longtine Charitable Foundation has awarded 44 grants totaling $4,958,946 to organizations in Massachusetts and New York. Individual grants range from $1,500 to $1,000,000, with a median award of $30,000.

Latest Tax Year
2023
Total Giving (all years)
$4,958,946
Total Assets
$2,007,954
Median Grant (all grants)
$30,000

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$159,381
% Median Grant Growth
+113% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: N/A

0 of 4 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
Massachusetts

98% of all grants are concentrated in Massachusetts, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within Massachusetts, funding concentrates in Boston (91%), Wellesley (7%), Cambridge (2%).

Funding Trajectory
+1580%

Strong 1580% growth in annual giving over 7 years indicates expanding philanthropic capacity and increasing opportunities for grant seekers. This upward trajectory suggests growing foundation resources and commitment.

Program Areas
General Purposes

Highly focused on general purposes with 100% of funding dedicated to this sector. This specialization indicates deep expertise and committed investment in the field.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Longtine Charitable Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Handel Haydn Society $198,762 Boston, MA, US Contribution 2023
Commonwealth School $25,000 Boston, MA, US Contribution 2023
Commonwealth School $120,000 Boston, MA, US Contribution 2023
Historic New England Fund $1,000,000 Boston, MA, US Contribution 2023
Commonwealth School $25,000 Boston, MA, US Contribution 2022
Commonwealth School $120,000 Boston, MA, US Contribution 2022
Historic New England Fund $50,000 Boston, MA, US Contribution 2022
Planned Parenthood League Of Massachusetts $917,657 Boston, MA, US Contribution 2022
Planned Parenthood League Of Massachusetts $70,435 Boston, MA, US Contribution 2022
Handel Haydn Society $75,000 Boston, MA, US Contribution 2022
Handel Haydn Society $200,000 Boston, MA, US Contribution 2022
Commonwealth School $25,000 Boston, MA, US Contribution 2022
Commonwealth School $120,000 Boston, MA, US Contribution 2022
Historic New England Fund $50,000 Boston, MA, US Contribution 2022
Planned Parenthood League Of Massachusetts $917,657 Boston, MA, US Contribution 2022
Planned Parenthood League Of Massachusetts $70,435 Boston, MA, US Contribution 2022
Handel Haydn Society $75,000 Boston, MA, US Contribution 2022
Handel Haydn Society $200,000 Boston, MA, US Contribution 2022
Commonwealth School $120,000 Boston, MA, US Contribution 2021
Commonwealth School $25,000 Boston, MA, US Contribution 2021
Historic New England Fund $20,000 Boston, MA, US Contribution 2021
Planned Parenthood League Of Massachusetts $100,000 Boston, MA, US Contribution 2021
Commonwealth School $20,000 Boston, MA, US Contribution 2020
Handel And Haydn Society $50,000 Boston, MA, US Contribution 2020
Museum Of Fine Arts Boston $40,000 Boston, MA, US Contribution 2020
Planned Parenthood League Of Massachusetts $100,000 Boston, MA, US Contribution 2020
Handel And Haydn Society $10,000 Boston, MA, US Contribution 2018
Museum Of Fine Arts Boston $10,000 Boston, MA, US Patron Program 2018
Historic New England $10,000 Boston, MA, US Annual Fund 2018
Commonwealth School $10,000 Boston, MA, US Contribution 2018
Wellesley College $10,000 Wellesley, MA, US Contribution 2018
Handel And Haydn Society $35,000 Boston, MA, US Contribution 2017
Museum Of Fine Arts Boston $10,000 Boston, MA, US Patron Program 2017
Historic New England $25,000 Boston, MA, US Head To Toe Exhibition 2017
Commonwealth School $10,000 Boston, MA, US Contribution 2017
Wellesley College $5,000 Wellesley, MA, US Annual Fund 2017
Friends Of Mount Auburn Cemetary $1,500 Cambridge, MA, US Contribution 2017
St Botolph Club Foundation $2,000 Boston, MA, US Heritage Fund 2017
Massachusetts Historical Society $5,500 Boston, MA, US Contribution 2017
Handel And Haydn Society $35,000 Boston, MA, US Capital Campaign 2016
Historic New England $10,000 Boston, MA, US Annual Fund 2016
Hobart And William Smith College $20,000 Geneva, NY, US Parents Fund 2016
Wellesley College $5,000 Wellesley, MA, US Contribution 2016
Museum Of Fine Arts Boston $10,000 Boston, MA, US Patron Program 2016

Foundations Similar to Longtine Charitable Foundation

Discover 5 foundations with comparable assets ($1,961,172-$2,045,204), similar grant patterns, and geographic focus in MA that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 47-5374848 | 21 grants awarded
$2,016,228
(≈ Similar)
$20,000
median grant
Charlestown, MA
Same state
100%
Excellent match

EIN: 04-6915044 | 11 grants awarded
$2,045,204
(≈ Similar)
$50,000
median grant
Boston, MA
Same state
99%
Excellent match

EIN: 02-6006398 | 14 grants awarded
$1,966,414
(≈ Similar)
$31,666
median grant
Boston, MA
Same state
99%
Excellent match

EIN: 20-6569832 | 24 grants awarded
$1,963,567
(≈ Similar)
$33,500
median grant
Worcester, MA
Same state
99%
Excellent match

EIN: 38-7121293 | 27 grants awarded
$1,961,172
(≈ Similar)
$20,000
median grant
Wellesley, MA
Same state
99%
Excellent match

Contact Information

Official contact details for Longtine Charitable Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 31-6655887
Website N/A
Address 263 HAMMOND STREET Chestnut Hill, MA 02467-0000

Key People (1)

Board members, trustees, and key staff who oversee Longtine Charitable Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Trustee Janina Longtine

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Longtine Charitable Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.