Private Foundation

TOMALES BAY WATERSHED FOUNDATION

TOMALES BAY WATERSHED FOUNDATION, of INVERNESS, CA, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $9K in revenue, $12K in expenses, $137K in total assets. IRS filings disclose 4 grants awarded by this foundation, totaling roughly $12K.

EIN: 680183506 INVERNESS, CA Latest filing: 2025

Total Revenue$9K

Total Expenses$12K

Total Assets$137K

Grants Given4

Grant Total$12K

Filing Years2021–2025

Sample Grants Given

Misc Organized Charities

Inverness, CA · 2024

general support

$5,736

MISC ORGANIZED 501C3 CHARITIES

Inverness, CA · 2023

Cornell Ornithology 159 Sapsucker Woods Rd Ithaca NY 14850 Dance Palace 503 B St Point Reyes Station CA 94956 Friends of the Inyo 621 W Line St #201 Bishop CA 93514 Friends of the Rainforest 1324 ClarksonClaytonCntr 312 Ballwin MO 63011-2145 Greater Farallones Ass 991 Marine Dr San Francisco CA 94129 Marin Ag Land Trust 145 A St Pt Reyes Station CA 94956 Marin Audubon PO Box 599 Mill Valley CA 94942-0599 Mass Audubon 208 S. Great Road Lincoln MA 01773 Mono Lake Com P.O. Box 29 Lee Vining CA 93541 National Audubon Soc 225 Varick St 7th Floor New York NY 10014 National Parks Cnsrv 777 6th St NW Suite 700 Washington DC 20001 Nature Conservancy 4245 N Fairfax Dr #100 Arlington VA 22203-1606 Pt Reyes Seashore Ass 1 Bear Valley Rd Bldg. 70 Point Reyes Station CA 94956 Smithsonian Inst 1000 Jefferson Dr SW 4th FlWashington DC 20013-7012 Cntr For Bio: Portal PO Box 710 Tucson AZ 85702-0710

$718

21 ORGANIZED 501c3 CHARITIES

USA, CA

GENERAL SUPPORT

$4,273

MISC ORGAINZED 501C3 CHARITIES

Inverness, CA

GENERAL SUPPORT: Audubon Canyon Ranch 4900 Shoreline Hwy Stinson Beach CA 94970 Community Land Trust of Marin 11431 CA-1 #12 Pt Reyes Sta CA 94956 Cornell Ornithology 159 Sapsucker Woods Rd Ithaca NY 14850 Dance Palace 503 B St Pt Reyes Sta CA 94956 Friends of the Inyo 621 W Line St #201 Bishop CA 93514 Friends of the Childrens Rainforest 1324 ClarksonClaytonCntr 312 Ballwin MO 63011-2145 Greater Farallones Assoc 991 Marine Dr SF CA 94129 Marin Agricultural Land Trust 145 A St Pt Reyes Sta CA 94956 Marin Audubon PO Box 599 Mill Valley CA 94942-0599 Mono Lake Committee P.O. Box 29 Lee Vining CA 93541 National Audubon Society 225 Varick St 7th Fl NY NY 10014 National Parks Conservation Assn 777 6th St NW #700 Washington DC 20001 Nature Conservancy 4245 N Fairfax Drive #100 Arlington VA 22203-1606 Pt Reyes Seashore Assoc 1 Bear Valley Rd Bld 70 Pt Reyes Sta CA 94956 Kern Project 518b Tamalpais Dr Corte Madera CA 94925

$1,075

Showing up to 5 of 4 total records — full history available with membership.

Officers & Directors

PRESIDENT Gordon Bennett

SECRETARY Kathleen Carolan

Officer compensation and complete director data available with membership.

Top Grant Purposes

general support

$5,736 1 grant

GENERAL SUPPORT

$4,273 1 grant

$1,075 1 grant

$718 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$9K	$12K	$137K
2024	$51K	$7K	$140K
2023	$-17K	$7K	$96K
2021	$34K	$4K	$109K

Between 2021 and 2025, reported annual revenue declined from $34K to $9K (-73%), with total assets most recently reported at $137K.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in CA.

Full geographic grant map with state-by-state breakdown available with membership.

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