1853 Mar West St, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 1853 Mar West St, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,303 sqft · built 1974
Lot Size	0.08 acres (3,500 sqft)
Owner	2 Company Names on File
Last Sale	$200,000 (Nov 2020)
Tax Bill	$18,188 (2025)
Deeds & Mortgages	Jun 2023 Transfer Nov 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`059-320-04`

Property Details

APN / Parcel Number

Primary APN	`059-320-04`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Building Area	1,303 sqft Living Area
Basement Area	111 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1980
Architectural Style	Colonial
Lot Area	3,500 sqft (0.08 acres)
Garage Area	380 sqft
Parking Spaces	1 Parking Space
Deck Area	424 sqft
Patio Area	424 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	1853 MAR WEST ST
City	BELVEDERE TIBURON
State	CA
Zip	94920-1901
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	/B15P96 M MAR WEST TOWNHOUSE
Legal Subdivision	MAR WEST TWNHS
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	3
Census Block	3019
Census Tract	124200

Owner

1853 Mar West St is owned by a company that acquired it in May 2023 and is owner-occupied.

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

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

Owner of Record	2 Company Names on File
Mailing Address	1853 MAR WEST ST, BELVEDERE TIBURON, CA 94920-1901
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Jun 28, 2023	Intrafamily Transfer, Transfer
Nov 2, 2020	Grant Deed, Transfer · Conventional Mortgage NEWREZ LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 2, 2020 · Amount on File
Deed Sale	Nov 2, 2020 · Amount on File
Prior Sale	Jun 8, 2015 · Amount on File
Deed Document Number	202054181
Last Transfer Date	May 23, 2023
Transfer Doc	0000016122
Record Updated	Sep 20, 2026

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Jun 28, 2023
Property Address	1853 MAR WEST ST, TIBURON, CA 94920-1901
Document Number	0000016122
Map Reference	VOL 15 PG 96
Instrument Date	May 23, 2023
Instrument	2023-0016122
Transaction Type	Transfer
Record Updated	Jul 14, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1853 MAR WEST ST, TIBURON, CA 94920-1901

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Nov 2, 2020
Property Address	1853 MAR WEST ST, TIBURON, CA 94920-1901
Document Number	0000054181
Map Reference	VOL 15 PG 96
Instrument Date	Sep 29, 2020
Instrument	2020-0054181
Transaction Type	Transfer
Record Updated	Jul 21, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$220.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1853 MAR WEST ST, TIBURON, CA 94920-1901

Mortgage

Document Number	0000054182
Date	Nov 2, 2020
Instrument	2020-0054182

Lender

Name	NEWREZ LLC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Nov 1, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 1853 Mar West St was $18,188 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	Tiburon Town
Elementary School District	Reed Union 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		$1,364,301 (+2%) Land $614,724 Building $749,577
2025	$18,188.00 Homeowner's exemption	$1,337,558 Land $602,674 Building $734,884
2023	$16,867.00 (+3.22%) Homeowner's exemption	$1,285,632 (+2%) Land $579,278 Building $706,354
2022	$16,341.00 Homeowner's exemption	$1,260,423 Land $567,919 Building $692,504

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

Flood

FEMA maps place 1853 Mar West St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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 AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 32 individual policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	37 units insured incl. 5 condo units
Nearby Flood Claims	14 (1982–2026)
Claims Outside the SFHA	7 of 14
Most Recent Claim	Jan 2026 · tidal / storm surge
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 4 claims

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 1853 Mar West St is low, with less than 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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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 433 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
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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