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Organization	Location	Revenue	Expenses	Assets	Program	Fundr. cost	Employees	Type
Housing Trust Silicon Valley The mission of HOUSING TRUST SILICON VALLEY is to make bay area a more affordable place to live. 77-0545135 · FY2024	San Jose, CA	$56.3M	$13.6M	$313.7M	71%	6%	34	501(c)(3)
California Rangeland Trust To serve the land, people and wildlife by conserving california's working rangelands. 31-1631453 · FY2024	Sacramento, CA	$19.7M	$13.6M	$61.4M	92%	4%	21	501(c)(3)
Sconset Trust INC Conservation of open space 22-2561811 · FY2024	Siasconset, MA	$16.3M	$883.6K	$59.1M	71%	6%	2	501(c)(3)
John Muir Land Trust Prev Muir Heritage Land Trust The vitality of open spaces is essential to the health of our earth, air, water, native plants, and animals… 68-0194652 · FY2023	Martinez, CA	$8.4M	$2.9M	$66.6M	201%	26%	24	501(c)(3)
Open Space Institute INC Osi and its supporting organization, OPEN SPACE INSTITUTE land trust, protects land. 52-1053406 · FY2024	New York, NY	$6.9M	$3.7M	$23.3M	60%	30%	69	501(c)(3)
Peninsula Players Theatre Foundation INC PENINSULA PLAYERS THEATRE is committed to preserving america's oldest professional resident summer THEATRE in… 39-0986031 · FY2024	Fish Creek, WI	$3.2M	$2.5M	$13.7M	79%	6%	19	501(c)(3)
Coastal Mountains Land Trust We conserve land permanently to benefit the natural and human communities of western the Penobscot Bay region. 22-2795691 · FY2024	Camden, ME	$2.7M	$2.1M	$10.6M	76%	9%	9	501(c)(3)
Cancer Support Community South Bay To ensure that no one faces CANCER alone 95-4076131 · FY2024	Torrance, CA	$2.3M	$1.8M	$11.6M	75%	9%	28	501(c)(3)
Marin Open Space Trust Raise funds to acquire, restore, and protect open space and park lands in Marin County, California, and… 26-2460667 · FY2024	San Rafael, CA	$1.4M	$1.6M	$686.7K	96%	0%	—	501(c)(3)
Friends of Hopewell Valley Open Space The purpose of FRIENDS of HOPEWELL VALLEY OPEN SPACE is to promote conservation in the HOPEWELL VALLEY region… 22-2810757 · FY2024	Pennington, NJ	$1.4M	$702.0K	$12.7M	80%	5%	28	501(c)(3)
Community Land Trust Association of West Marin the mission of the community land trust association of west marin is to provide stable and permanently… 94-3381744 · FY2024	Pt Reyes Sta, CA	$1.3M	$1.3M	$11.5M	74%	9%	6	501(c)(3)
Design Trust for Public Space INC The Design Trust for Public Space is a nonprofit organization dedicated to the future of public space in NYC… 13-3884881 · FY2024	New York, NY	$1.2M	$1.1M	$1.0M	76%	10%	10	501(c)(3)
Compact of Cape Cod Conservation Trusts INC To encourage and assist in the acquisition, preservation and management of open space on CAPE COD 04-2925813 · FY2024	Barnstable, MA	$975.7K	$467.1K	$2.0M	94%	0%	21	501(c)(3)
Dennis Conservation Trust Preservation of open space 22-2898846 · FY2024	East Dennis, MA	$934.9K	$294.5K	$8.5M	83%	7%	5	501(c)(3)
Bay Area Community Land Trust Support and develop low-income affordable cooperative housing. 20-5420298 · FY2024	Berkeley, CA	$778.5K	$946.8K	$20.9M	77%	3%	4	501(c)(3)
South Bay Community Land Trust The mission of South Bay Community Land Trust (SBCLT) is to acquire & manage real estate for community… 85-0539855 · FY2023	San Jose, CA	$751.1K	$878.4K	$6.7M	42%	22%	8	501(c)(3)
Coastside Land Trust Preserved additional acreage for permanent open space, protected and maintained prior acquisitions held… 94-3290067 · FY2024	Half Moon Bay, CA	$742.7K	$487.6K	$9.5M	71%	11%	7	501(c)(3)
Norfolk Land Trust INC TO ENCOURAGE THE PRESERVATION OF OPEN SPACE IN NORFOLK, CT AND surrounding communities FOR THE PUBLIC BENEFIT… 06-1072464 · FY2024	Norfolk, CT	$664.0K	$56.5K	$5.5M	79%	13%	—	501(c)(3)
Farmington Land Trust INC The Farmington Land Trust Inc protects open space in the town of Farmington CT through the acquisition of… 23-7107644 · FY2025	Unionville, CT	$498.8K	$438.9K	$7.4M	63%	19%	4	501(c)(3)
Freeport Conservation Trust Fct's mission is to protect, preserve and connect open space lands and provide public access to natural areas… 01-0357213 · FY2025	Freeport, ME	$484.4K	$254.5K	$6.4M	80%	10%	2	501(c)(3)
Peninsula Trails Coalition Promote Non-motorized trail development on the Olympic Peninsula 91-1416511 · FY2024	Port Angeles, WA	$466.3K	$449.5K	$1.0M	81%	8%	—	501(c)(3)
Opacum Land Trust The mission of OPACUM LAND TRUST is to engage communities in protecting the LAND, water, and wildlife in… 04-3501184 · FY2024	Brimfield, MA	$416.2K	$387.8K	$2.2M	77%	10%	13	501(c)(3)
Friends of the Bay INC Marine and land protection 11-2928467 · FY2024	Oyster Bay, NY	$359.0K	$271.1K	$464.3K	75%	8%	2	501(c)(3)
Friends of Princeton Open Space In PRINCETON: acquiring OPEN SPACE for preservation, protecting natural resources, maintaining accessibility… 23-7259355 · FY2023	Princeton, NJ	$279.5K	$202.4K	$3.8M	73%	0%	7	501(c)(3)
Upper Hudson - Northern Catskills Natural Resource Trust INC The preservation of open space property for the public's benefit. 20-2696414 · FY2024	Coxsackie, NY	$277.3K	$160.4K	$3.2M	71%	11%	2	501(c)(3)
Preserve Old Mission Peninsula To promote the common good and general welfare of Peninsula Township, Michigan. In this instance, by funding… 47-5368409 · FY2024	Traverse City, MI	$270.9K	$251.7K	$214.6K	100%	0%	—	501(c)(3)
Bridgewater Land Trust INC Preservation of Open Space and Natural Resources 06-1212623 · FY2024	Bridgewater, CT	$263.2K	$144.1K	$7.2M	0%	0%	—	501(c)(3)
Peninsula Cantare a California Nonprofit Benefit Corporation Educational concerts of choral music: A world that explores the human experience through musical storytelling 20-1778066 · FY2024	Palo Alto, CA	$257.3K	$131.1K	$306.3K	100%	0%	—	501(c)(3)
Bay Access Foster conservation & use of oceans & bays 76-0637345 · FY2024	Seabrook, TX	$220.3K	$274.3K	$111.9K	93%	0%	—	501(c)(3)
Charleston Peninsula Preservation Trust 26-4298057 · FY2024	Charleston, SC	$197.3K	—	$51.4K	—	—	—	501(c)(3)
Greenspace the Cambria Land Trust The north coast area of san luis obispo county is a national treasure. GREENSPACE will protect and enhance… 77-0219622 · FY2023	Cambria, CA	$169.8K	$212.5K	$2.2M	63%	29%	7	501(c)(3)
Prospect Park South Charitable Trust 56-2450721 · FY2024	Brooklyn, NY	$136.0K	—	$67.8K	—	—	—	501(c)(3)
Seekonk Land Conservation Trust Open space preservation and education 04-6194130 · FY2024	Seekonk, MA	$118.2K	$65.5K	$4.4M	81%	0%	1	501(c)(3)
Conanicut Island Land Trust Corporation Preservation of open space 22-2608961 · FY2024	Jamestown, RI	$86.2K	$20.3K	$2.6M	82%	9%	—	501(c)(3)
Protect the Highlands To PROTECT the hudson HIGHLANDS, it's open space and it's communities. 92-2274488 · FY2024	Cold Spring, NY	$81.9K	$45.3K	$43.1K	100%	0%	—	501(c)(3)
Stow Conservation Trust INC To preserve open space in STOW, massachusetts. 04-2625752 · FY2024	Stow, MA	$80.7K	$62.1K	$2.3M	85%	5%	—	501(c)(3)
Caring and Sharing of South Bay 46-0705243 · FY2024	Torrance, CA	$73.8K	—	$49.6K	—	—	—	501(c)(3)
The Coastal Trust INC 82-0830961 · FY2024	Savannah, GA	$58.2K	—	$1	—	—	—	501(c)(3)
Amherst Land Trust LAND conservation and preservation of open space. 02-0326055 · FY2024	Amherst, NH	$46.3K	$5.1K	$1.4M	0%	3%	—	501(c)(3)

2,046,138

nonprofits

212,946

funders

12,515,252

grants

22,549,931

directors

214,365

service providers

549,896,012

financial lines

Public data from IRS Form 990 e-file & Business Master File. A 990 shows reported financial activity, not measured program outcomes. Assets are from the IRS BMF and may lag the latest filing; fundraising cost is fundraising expenses as a share of total expenses. · philanthropy.org