116 William Ave, Larkspur, CA 94939 Property Records

Marin County property record for 116 William Ave, Larkspur, CA 94939

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,592 sqft · built 1924
Lot Size	0.144 acres (6,250 sqft)
Owner	Company Name on Record
Last Sale	$2,600,000 (Jan 2023)
Tax Bill	$34,456 (2025)
Deeds & Mortgages	Jan 2023 Sale Aug 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`021-104-15`

Property Details

APN / Parcel Number

Primary APN	`021-104-15`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,592 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1924
Effective Year Built	Effective 1985
Architectural Style	Contemporary
Lot Area	6,250 sqft (0.144 acres)
Garage Area	572 sqft
Parking Spaces	2 Parking Spaces
Deck Area	12 sqft
Patio Area	12 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	116 WILLIAM AVE
City	LARKSPUR
State	CA
Zip	94939-2028
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MAP 2 PG 90 BLK H
Legal Subdivision	BALTIMORE PARK
Legal Tract	1
Legal Block	H
Jurisdiction	MARIN CA
Township / Civil Division	ROSS VALLEY
Census Block Group	3
Census Block	3021
Census Tract	120002

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Larkspur Downtown Historic District listed 1982 · 42 contributing resources · NRIS 82000972

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Marin County records, as of August 6, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	10 IRON CANYON CT, PARK CITY, UT 84060-6557
Owner Type	Company
Vesting	Limited Liability Company

Deeds, Mortgages & Sale History

Date	Document
Jan 10, 2023	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Aug 7, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 10, 2023 · Amount on Record
Deed Sale	Jan 10, 2023 · Amount on Record
Prior Sale	Oct 15, 2010 · Amount on Record
Deed Document Number	2023448
Prior Transfer Date	Feb 11, 2013
Prior Transfer Doc	0000011829
Record Updated	Oct 29, 2026

January 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jan 10, 2023
Property Address	116 WILLIAM AVE, LARKSPUR, CA 94939-2028
Document Number	0000000448
Map Reference	MB 2 PG 90
Instrument Date	Jan 4, 2023
Instrument	2023-0000448
Transaction Type	Transfer
Record Updated	Jan 30, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$2,860.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	10 IRON CANYON CT, PARK CITY, UT 84060-6557

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	116 WILLIAM AVE, LARKSPUR, CA 94939-2028
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000035350
Date	Aug 7, 2020
Instrument	2020-0035350

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	2.87%
Type Change Date	Sep 1, 2025
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	4.87%
Index	1-Year LIBOR
Max Rate	7.87%

Tax Assessment & Valuation

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		$2,759,120 (+2%) Land $1,644,860 Building $1,114,260
2025	$34,456.00 (+81.28%)	$2,705,040 (+91%) Land $1,612,620 Building $1,092,420
2023	$19,007.00 (+6.4%)	$1,416,234 Land $923,527 Building $492,707
2022	$17,864.00

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

Flood

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone A, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force

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

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

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.03% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 448 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250

May also be available: T-Mobile, Unwired.

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