171 Prospect Ave, Sausalito, CA 94965 Property Records

Marin County property record for 171 Prospect Ave, Sausalito, CA 94965

Property Summary

Property Type	Duplex
Details	4 bd · 4 ba · 2,898 sqft · built 1963
Lot Size	0.09 acres (3,900 sqft)
Owner	2 Company Names on Record
Last Sale	$1,400,000 (Jun 2007)
Tax Bill	$28,416 (2025)
Deeds & Mortgages	Nov 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`065-224-14`

Property Details

APN / Parcel Number

Primary APN	`065-224-14`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Units	2 Units
Building Area	2,898 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1990
Architectural Style	Duplex Single
Lot Area	3,900 sqft (0.09 acres)
Deck Area	548 sqft
Patio Area	1,096 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	171 PROSPECT AVE
City	SAUSALITO
State	CA
Zip	94965-2332
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1005
Census Tract	130201

Owner

Source: Marin County records, as of July 13, 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 Record
Mailing Address	171 PROSPECT AVE, SAUSALITO, CA 94965-2332
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 29, 2007 · Amount on Record
Deed Sale	Jun 29, 2007 · Amount on Record
Prior Sale	Sep 29, 2006 · Amount on Record
Deed Document Number	200740375
Transfer Doc	0000023233
Record Updated	Oct 29, 2026

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	171 PROSPECT AVE, SAUSALITO, CA 94965-2332
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	TRGC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000047334
Date	Nov 28, 2017
Instrument	2017-0047334

Lender

Name	MORGAN STANLEY PRIVATE BANK NA
Type	Bank
Address	MOUNT LAUREL, NJ 08054

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.24%
Type Change Date	Dec 1, 2024
Change Frequency	Quarterly
Min Rate At Change	2.5%
Max Rate At Change	8.24%
Index	1-Year LIBOR
Max Rate	8.24%

Tax Assessment & Valuation

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

Year	Tax Bill	Assessed Value
2026		$2,136,338 (+2%) Land $1,298,146 Building $838,192
2025	$28,416.00 (+7.1%)	$2,094,455 (+4.04%) Land $1,272,696 Building $821,759
2023	$26,533.00 (+3.86%)	$2,013,142 Land $1,223,286 Building $789,856
2022	$25,546.00

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 individual policies
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	75 units insured incl. 60 condo units
Nearby Flood Claims	6 (1982–2021)
Claims Outside the SFHA	5 of 6
Most Recent Claim	Oct 2021 · other causes

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	Moderate above 50% of the US · lower than 70% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Direct burnable vegetation

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

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 Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Prospect Ave

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