52 Prospect Ave, Sausalito, CA 94965 Property Records

Marin County property record for 52 Prospect Ave, Sausalito, CA 94965

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 3,135 sqft · built 1910
Lot Size	0.251 acres (10,925 sqft)
Owner	2 Company Names on File
Last Sale	$3,400,000 (Oct 2014)
Tax Bill	$53,508 (2025)
Deeds & Mortgages	Dec 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`065-191-74`

Property Details

APN / Parcel Number

Primary APN	`065-191-74`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	3,135 sqft Living Area
Basement Area	738 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1996
Architectural Style	Contemporary
Lot Area	10,925 sqft (0.251 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Deck Area	976 sqft
Patio Area	976 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	52 PROSPECT AVE
City	SAUSALITO
State	CA
Zip	94965-2304
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	SAUSALITO BAY LAND CO MAP 03
Legal Lot Number	176
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3008
Census Tract	130201

Owner

Source: Marin County records · APN 065-191-74

Assessment roll updated July 13, 2026 · Last verified August 2026

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

Owner of Record	2 Company Names on File
Mailing Address	52 PROSPECT AVE, SAUSALITO, CA 94965-2304
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 31, 2014 · Amount on Record
Deed Sale	Oct 31, 2014 · Amount on Record
Prior Sale	Feb 03, 2011 · Amount on Record
Deed Document Number	201445786
Prior Transfer Date	Oct 24, 2012
Prior Transfer Doc	0000068439
Record Updated	Sep 20, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	52 PROSPECT AVE, SAUSALITO, CA 94965-2304
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	52 PROSPECT AVE, SAUSALITO, CA 94965-2304

Mortgage

Document Number	0000061362
Date	Dec 03, 2020
Instrument	2020-0061362

Lender

Name	CITY NATIONAL BANK
Type	Bank
Address	LOS ANGELES, CA 90071

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 01, 2050

Tax Assessment & Valuation

Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$4,493,392 (+2%) Land $2,451,680 Building $2,041,712
2025	$53,508.00 (+6.56%) Homeowner's exemption	$4,405,308 (+4.04%) Land $2,403,620 Building $2,001,688
2023	$50,213.00 (+3.94%) Homeowner's exemption	$4,234,272 Land $2,310,300 Building $1,923,972
2022	$48,310.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Marin County (06041C), as of October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411302013, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	9 in force
Nearby Flood Claims	10 (1982–1998)
Claims Outside the SFHA	10 of 10
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 4 claims

Wildfire

Wildfire Risk	Low lower than 65% of the US · lower than 79% of California
Wildfire Likelihood	0.04% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Communications, LLC. Fixed Wireless	250 / 100

May also be available: California Internet, T-Mobile USA.

Based on FCC filings for 616 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CA2110002, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	MARIN MUNICIPAL WATER DISTRICT serves 188,116 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.