444 William Ave, Larkspur, CA 94939 Property Records

Marin County property record for 444 William Ave, Larkspur, CA 94939

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 962 sqft · built 1941
Lot Size	0.133 acres (5,775 sqft)
Owner	Individual Name on File
Last Sale	$719,000 (May 2013)
Tax Bill	$14,813 (2025)
Deeds & Mortgages	Jan 2026 Mortgage Nov 2022 Mortgage + 1 more
Flood Zone	Zone AE (high risk)
APN	`021-212-15`

Property Details

APN / Parcel Number

Primary APN	`021-212-15`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Building Area	962 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Architectural Style	Contemporary
Lot Area	5,775 sqft (0.133 acres)
Deck Area	120 sqft
Patio Area	120 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	444 WILLIAM AVE
City	LARKSPUR
State	CA
Zip	94939-1530
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	L90 /B5P93 M HEATHER GARDENS #2
Legal Subdivision	HEATHER GARDENS 02
Legal Tract	2
Legal Lot Number	90
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	1
Census Block	1005
Census Tract	120002

Owner

444 William Ave is owned and occupied by an individual who acquired it in November 2019.

Source: Marin County records, as of July 13, 2026

Owner of Record	Individual Name on File
Mailing Address	PO BOX 1705, MILL VALLEY, CA 94942-1705
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jan 30, 2026	Deed of Trust, Mortgage · Conventional Mortgage SAN FRANCISCO FIRE CU
Nov 16, 2022	Deed of Trust, Mortgage · Conventional Mortgage HOMEOWNERS FINANCIAL GROUP USA LLC
Nov 25, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 16, 2013 · Amount on File
Deed Sale	May 16, 2013 · Amount on File
Deed Document Number	201333767
Last Transfer Date	Nov 8, 2019
Transfer Doc	0000044762
Record Updated	Oct 29, 2026

January 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	444 WILLIAM AVE, LARKSPUR, CA 94939-1530
Transaction Type	Mortgage
Record Updated	Feb 10, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	444 WILLIAM AVE, LARKSPUR, CA 94939-1530

Mortgage

Document Number	0000002126
Date	Jan 30, 2026
Instrument	2026-0002126

Lender

Name	SAN FRANCISCO FIRE CU
Type	Credit Union
Address	SAN FRANCISCO, CA 94118

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Feb 1, 2056

November 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	444 WILLIAM AVE, LARKSPUR, CA 94939-1530
Transaction Type	Mortgage
Record Updated	Dec 2, 2022
Title Company	WFG NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	444 WILLIAM AVE, LARKSPUR, CA 94939-1530

Mortgage

Document Number	0000037849
Date	Nov 16, 2022
Instrument	2022-0037849

Lender

Name	HOMEOWNERS FINANCIAL GROUP USA LLC
Type	Mortgage Company
Address	SCOTTSDALE, AZ 85254

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2052

November 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Nov 25, 2019
Property Address	444 WILLIAM AVE, LARKSPUR, CA 94939-1530
Document Number	0000044762
Instrument Date	Nov 21, 2019
Instrument	44762
Transaction Type	Transfer
Record Updated	Dec 10, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	444 WILLIAM AVE LARKSPUR CA 949391530, LARKSPUR, CA 94939-1530

Tax Assessment & Valuation

The 2025 property tax bill for 444 William Ave was $14,813 with a homeowner's exemption.

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Marin County
Municipality	Larkspur City
Elementary School District	Larkspur Elementary School District (KG - 08)
Secondary School District	Tamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,038,064 (+7.2%) Land $651,864 Building $386,200
2025	$14,813.00 Homeowner's exemption	$968,362 Land $639,086 Building $329,276
2023	$13,100.00 (+1.65%) Homeowner's exemption	$850,986 Land $614,272 Building $236,714
2022	$12,887.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 444 William Ave in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 23 policies
Nearby Flood Policies	23 in force
Nearby Flood Claims	2 (2014–2017)
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 444 William Ave is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people · EPA ID CA2110002
Water Source	Surface water
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2019–2021) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 416 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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