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Trustees of Reservations

Boston, MA · United States EIN 042105780 (IRS) Environment
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87 / 100
Integrity score
Strong transparency

About

Preserving exceptional places. The Trustees of Reservations is here to protect and share the Massachusetts places people love.

Mission

Preserve, for public use & enjoyment, places of exceptional scenic, historical, ecol. Value.

Focus & reach

Verification & registration

Every mark links to the official registry entry and opens in a new tab.

IRS
Exempt Organizations · EIN 042105780
Registered
501(c)(c3)
Federal tax-exempt subsection
Since 1935
Tax-deductible
IRS Publication 78 listing
Listed (Pub 78)

Integrity assessment

A score from 0 to 100 for how openly a charity shares public information across five areas: registration, financial disclosure, governance, contact details, and data recency. It does not measure programme impact. See exactly what we do and do not have →

Registration 16/20
Government registration ID on record +8
Sourced from official registry +4
Cross-referenced (2+ sources) +4
Profile not yet claimed by organization 0
Financial Transparency 24/30
No financial documents found on website 0
Financial filing on record +8
Revenue figure disclosed +6
Spending figure disclosed +6
Detailed financial breakdown disclosed +4
Governance 20/20
At least 1 officer disclosed +5
3+ officers disclosed +3
Officer titles disclosed +2
Executive compensation disclosed +4
Mission / description on file +3
Founding date on file +3
Contact Availability 7/10
Website +3
No email on file 0
Phone +2
Physical address +2
Data Recency 15/20
Updated within 1 year +15
Newer data needed for full score 0
Red flags 0
No red flags detected, so nothing is deducted 0

Financials

IRS Form 990
Annual revenue
$57.9 million
Reporting year
2025
To programmes
78%
See 5 years of financials
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Leadership at a glance

Official filings
AL
Alaina S••••••••
MANAGING DIR., CAMPAIGN STRAT/DEV OPS
AL
Alicia L••••••••
VP, NATURE & AGRICULTURE(UNTIL 10/20)
AN
Andrew B••••••••
Director
AN
Andrew D••••••••
Director & 1 & 22)

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GiveRadarGiveRadar Intelligence

GiveRadar Analysis

Based on the records currently verified by GiveRadar, Trustees of Reservations has a complete profile, cross-referenced across 4 independent sources including the IRS.

  • Established in 1891, it is among the oldest environment charities in the United States GiveRadar tracks. View this cohort
  • GiveRadar has verified more about this organization than about 99% of the 30,143 environment charities in the United States it tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
  • By reported annual revenue, it is larger than 97% of the 13,369 environment charities in the United States with financial records on GiveRadar. See the filings
GiveRadar has verified
  • government registration
  • financial records (6 filed years)
  • disclosed leadership
  • a website
  • third-party accreditation

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Annual revenue
$57.9 million
78% to programs. Figures from IRS Form 990.
See 5 years of financials

Filing history

6 years on file from IRS Form 990: revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: 2025, 2024, 2023, 2022, 2021, 2020.
Financial details are free with a GiveRadar account

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Tax deductibility

Whether a gift to Trustees of Reservations lowers your own taxes depends on where you pay them. Choose your country to see the rule that applies.

Sometimes deductible

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

This is general guidance, not tax advice. Confirm treatment with the charity or your tax advisor before donating.

Staff & volunteers

From filings and published profiles
Employees
976

Leadership & board

Official filings

Board members and senior officers on record, with disclosed pay where available.

BR
Brian T••••••••
Chief Financial Officer
See full names, roles, and stories

25 officers and trustees on file, free with a GiveRadar account.

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Officer names and roles come straight from official filings. We mirror the official record exactly and never edit it.

No red flags detected

Screened for the risks donors care about.
IRS revocation history None found
Open investigations None found
Governance scandals None found
Related-party deals None found
Excessive exec comp None found

Timeline

From official filings

Key dates from this charity's official filings, newest first.

FY2025
Form filed
$57.9M revenue, IRS Form 990
FY2024
Form filed
$64.9M revenue, IRS Form 990
FY2023
Form filed
$50.5M revenue, IRS Form 990
FY2022
Form filed
$79.9M revenue, IRS Form 990
FY2021
Form filed
$88.4M revenue, IRS Form 990
FY2020
Form filed
$44.8M revenue, IRS Form 990

In the news

From public news

No recent news coverage found

News coverage will appear here when articles mention this organization.

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How it stacks up against peers

Compared with 8 similar environment charities in United States.

Program spending Behind peer average
This charity
78% Peer average
88%
CEO comp as % of revenue Ahead of peers
This charity
0.69% Peer average
0.95%
Integrity Assessment Behind peer average
This charity
87 Peer average
90

Cause areas in United States

Charities working in each area, this charity's highlighted.

Human Services
322,681
Education
195,585
Arts & Culture
133,131
Advocacy & Civil Rights
128,026
Religion
114,638
Health
98,864
Community Development
56,086
Youth Development
53,450
Environment
30,143
See all cause areas

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings · Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search · 163 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Charity Navigator

What we know and don't know

Every data point we track for this charity, and whether we have found it. Disclosure only, never a judgment of the charity's work.

Financial data
Named leadership
Executive pay
Government registration
Mission statement
Official website
Headquarters address
Direct contact
Tax-deductibility
Founding date
Programs & activities

Data freshness

How current this profile is, and when we last checked it against the official source.

Last updated
August 30, 2026
Profile edits and newly added data
Registry checked
August 30, 2026
Reconciled with the official source
Latest financials
Financial year 2025
Most recent filing on record
Profile completeness
100%
Data points we track that are filled in

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology
Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email info@giveradar.com with the correct information. We review every request and respond within 30 days.

FAQ

Frequently asked questions about Trustees of Reservations

Trustees of Reservations is a registered environment nonprofit based in Boston, MA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1891 and has been operating for 135 years. Its EIN is 042105780. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 87/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $58M in annual revenue. 163 officers and directors are publicly disclosed. No red flags have been detected.

Trustees of Reservations's Chief Financial Officer, Brian Therrien, received $398,516 in reported compensation in its most recent filing (2025). This figure comes straight from the organization's official filing and covers salary plus other reportable pay. Executive pay generally scales with the size and complexity of a nonprofit, so it is best read alongside the organization's revenue and what it does.

Based on official filings, Trustees of Reservations has $58M in annual revenue. It allocates 78% of expenses to programs and services. This is below the average of 88% for environment charities in United States. Its revenue is significantly above the peer average of $2M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Preserving exceptional places. The Trustees of Reservations is here to protect and share the Massachusetts places people love. Trustees of Reservations is classified as an environment organization registered in United States. The organization was founded in 1891.

Trustees of Reservations is classified as an Environment organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a major organization. It has $58M in annual revenue. The organization has 163 disclosed officers and directors.

Trustees of Reservations's EIN (Employer Identification Number) is 042105780. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Trustees of Reservations is located in Boston, MA, United States. The organization was established in 1891 and has been active for 135 years.

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Quick facts about Trustees of Reservations

What is Trustees of Reservations?
Trustees of Reservations is a environment publicly-supported charity (509(a)(2)) based in Boston, United States. Preserving exceptional places. The Trustees of Reservations is here to protect and share the Massachusetts places people love.
When was Trustees of Reservations founded?
Trustees of Reservations was founded in 1891.
Who leads Trustees of Reservations?
Brian Therrien serves as Chief Financial Officer.
Where is Trustees of Reservations located?
Headquartered in Boston, MA, United States.
What is Trustees of Reservations's annual budget?
Annual revenue for fiscal year 2025 is $57.9 million. 78% of expenses go to program services.
Is Trustees of Reservations trustworthy?
Trustees of Reservations has a GiveRadar Integrity Assessment of 87 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Trustees of Reservations's registration number?
IRS EIN: 042105780.
What is Trustees of Reservations's website?
http://www.thetrustees.org