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

Marin County property record for 445 Ridge Rd, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,715 sqft · built 1956
Lot Size	0.489 acres (21,296 sqft)
Owner	2 Company Names on Record
Last Sale	$2,650,000 (Apr 2022)
Tax Bill	$35,515 (2025)
Deeds & Mortgages	Apr 2022 Sale & Mortgage Jan 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`059-042-06`

Property Details

APN / Parcel Number

Primary APN	`059-042-06`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Building Area	3,715 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Contemporary
Lot Area	21,296 sqft (0.489 acres)
Garage Area	546 sqft
Parking Spaces	2 Parking Spaces
Deck Area	540 sqft
Patio Area	540 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	445 RIDGE RD
City	BELVEDERE TIBURON
State	CA
Zip	94920-1814
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	HILL HAVEN
Legal Lot Number	1
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1001
Census Tract	124200

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	445 RIDGE RD, BELVEDERE TIBURON, CA 94920-1814
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Apr 25, 2022	Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Jan 12, 2021	Quit Claim Deed, Transfer NOT AVAILABLE
Jan 12, 2021	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 25, 2022 · Amount on Record
Deed Sale	Apr 25, 2022 · Amount on Record
Deed Document Number	202217230
Prior Transfer Date	Jan 8, 2021
Prior Transfer Doc	0000002392
Record Updated	Sep 20, 2026

April 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 25, 2022
Property Address	445 RIDGE RD, TIBURON, CA 94920-1814
Document Number	0000017230
Instrument Date	Apr 19, 2022
Instrument	2022-0017230
Transaction Type	Transfer
Record Updated	Aug 23, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,915.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	445 RIDGE RD, TIBURON, CA 94920-1814

Mortgage

Document Number	0000017231
Date	Apr 25, 2022
Instrument	2022-0017231

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	2.85%
Type Change Date	May 1, 2032
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	1-Year CMT
Max Rate	10.9%

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 12, 2021
Property Address	445 RIDGE RD, TIBURON, CA 94920-1814
Document Number	0000002393
Instrument Date	Jan 11, 2021
Instrument	2393
Transaction Type	Transfer
Record Updated	Jan 25, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO BOX 256 TIBURON CA 949200256, TIBURON, CA 94920-0256

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jan 12, 2021
Property Address	445 RIDGE RD, TIBURON, CA 94920-1814
Document Number	0000002392
Instrument Date	Jan 8, 2021
Instrument	2392
Transaction Type	Transfer
Record Updated	Jan 25, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	PO BOX 1201 MILL VALLEY CA 949421201, MILL VALLEY, CA 94942-1201

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		$3,041,042 (+2%) Land $2,071,022 Building $970,020
2025	$35,515.00 (+6.52%) Homeowner's exemption	$2,981,424 (+4.04%) Land $2,030,421 Building $951,003
2023	$33,340.00 (+507.95%) Homeowner's exemption	$2,865,673 Land $1,951,592 Building $914,081
2022	$5,484.00

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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