170 Sunset Way, Muir Beach (Sausalito), CA 94965 Property Records

Marin County property record for 170 Sunset Way, Muir Beach, CA 94965

Property Summary

Property Type	Single Family Home
Details	1 bd · 1 ba · 1,180 sqft · built 1941
Lot Size	0.203 acres (8,835 sqft)
Owner	2 Company Names on Record
Last Sale	$800,000 (May 2010)
Tax Bill	$14,880 (2025)
Deeds & Mortgages	Apr 2018 Mortgage Jul 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`199-234-20`

Property Details

APN / Parcel Number

Primary APN	`199-234-20`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Building Area	1,180 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1983
Architectural Style	Contemporary
Lot Area	8,835 sqft (0.203 acres)
Deck Area	500 sqft
Patio Area	964 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	170 SUNSET WAY
City	MUIR BEACH
State	CA
Zip	94965-9744
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	BELLO BEACH
Jurisdiction	MARIN CA
Township / Civil Division	BOLINAS
Census Block Group	1
Census Block	1100
Census Tract	131100

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	170 SUNSET WAY, MUIR BEACH, CA 94965-9744
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 10, 2018	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Jul 8, 2019	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 17, 2010 · Amount on Record
Deed Sale	May 17, 2010 · Amount on Record
Deed Document Number	201024049
Last Transfer Date	Jan 22, 2025
Transfer Doc	0000005507
Record Updated	Sep 20, 2026

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	170 SUNSET WAY, MUIR BEACH, CA 94965-9744
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000012552
Date	Apr 10, 2018
Instrument	2018-0012552

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	TROY, MI 48083

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2048

July 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	170 SUNSET WAY, MUIR BEACH, CA 94965-9744
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000023638
Date	Jul 8, 2019
Instrument	2019-0023638

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2049

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Marin County
Elementary School District	Mill Valley 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		$1,122,206 (+2%) Land $921,578 Building $200,628
2025	$14,880.00 (+5.29%)	$1,100,206 (+4.04%) Land $903,511 Building $196,695
2023	$14,132.00 (+3.8%) Homeowner's exemption	$1,057,492 Land $868,434 Building $189,058
2022	$13,615.00

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
Nearest Special Flood Hazard Area	Zone VE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	5 (1982–2018)
Claims Outside the SFHA	3 of 5
Most Recent Claim	Apr 2018 · rainfall accumulation

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 46% of the US · lower than 72% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect within 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	MUIR BEACH COMMUNITY serves 336 people · EPA ID CA2100508
Water Source	Groundwater
Last State Inspection	Oct 2024
Lead	10 ppb (2021–2023) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 46 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Muir Beach LAN Fixed Wireless	2,000 / 2,000
Unwired Fixed Wireless	300 / 25

Cell Coverage

5G (outdoors only) and 4G LTE

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