450 Ridge Rd, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 450 Ridge Rd, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	3 bd · 4 ba · 3,799 sqft · built 1995
Lot Size	0.511 acres (22,250 sqft)
Owner	Individual Name on Record
Last Sale	$4,400,000 (May 2017)
Tax Bill	$59,602 (2025)
Deeds & Mortgages	May 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`059-082-03`

Property Details

APN / Parcel Number

Primary APN	`059-082-03`

Interior

Bedrooms	3 Beds
Full Baths	4 Baths
Building Area	3,799 sqft Living Area
Basement Area	118 sqft

Exterior

Year Built	Built 1995
Effective Year Built	Effective 2000
Architectural Style	Contemporary
Lot Area	22,250 sqft (0.511 acres)
Garage Area	387 sqft
Parking Spaces	1 Parking Space
Pool Area	100 sqft
Deck Area	600 sqft
Patio Area	600 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	450 RIDGE RD
City	BELVEDERE TIBURON
State	CA
Zip	94920-1813
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	HILL HAVEN
Legal Block	E
Legal Lot Number	3
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1006
Census Tract	124200

Owner

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	Individual Name on Record
Mailing Address	450 RIDGE RD, BELVEDERE TIBURON, CA 94920-1813
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 4, 2017 · Amount on Record
Deed Sale	May 4, 2017 · Amount on Record
Prior Sale	Mar 14, 2016 · Amount on Record
Deed Document Number	201717965
Prior Transfer Date	Apr 16, 1997
Prior Transfer Doc	0000020645
Record Updated	Oct 29, 2026

May 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	May 4, 2017
Property Address	450 RIDGE RD, TIBURON, CA 94920-1813
Document Number	0000017965
Instrument Date	Apr 26, 2017
Instrument	17965
Transaction Type	Transfer
Record Updated	May 17, 2017
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$4,840.00
Amount Accuracy	Full Value
Additional	Notice of Trustee Sale Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	450 RIDGE RD TIBURON CA 949201813, TIBURON, CA 94920-1813

Tax Assessment & Valuation

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		$5,208,588 (+2%) Land $2,959,425 Building $2,249,163
2025	$59,602.00 (+6%)	$5,106,464 (+4.04%) Land $2,901,400 Building $2,205,064
2023	$56,230.00 (+1.81%)	$4,908,200 Land $2,788,750 Building $2,119,450
2022	$55,232.00

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
Nearby Flood Policies	6 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	Not rated no burnable land 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	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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