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

Marin County property record for 409 Ridge Rd, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 4,048 sqft · built 1994
Lot Size	0.492 acres (21,432 sqft)
Owner	2 Company Names on File
Last Sale	$8,389,000 (Aug 2022)
Tax Bill	$99,245 (2025)
Deeds & Mortgages	Aug 2022 Sale Dec 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`059-041-04`

Property Details

APN / Parcel Number

Primary APN	`059-041-04`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Building Area	4,048 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1994
Effective Year Built	Effective 1994
Architectural Style	Contemporary
Lot Area	21,432 sqft (0.492 acres)
Garage Area	506 sqft
Parking Spaces	2 Parking Spaces
Deck Area	952 sqft
Patio Area	952 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	409 RIDGE RD
City	BELVEDERE TIBURON
State	CA
Zip	94920-1813
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	BLK A PART OF LOT 2
Legal Subdivision	HILL HAVEN
Legal Block	A
Legal Lot Number	2
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	1
Census Block	1001
Census Tract	124200

Owner

409 Ridge Rd is owned by a company that bought it in August 2022 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	409 RIDGE RD, BELVEDERE TIBURON, CA 94920-1813
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Aug 24, 2022	Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY
Dec 1, 2021	Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 24, 2022 · Amount on File
Deed Sale	Aug 24, 2022 · Amount on File
Prior Sale	Jul 20, 2016 · Amount on File
Deed Document Number	202230446
Prior Transfer Date	Sep 4, 2010
Prior Transfer Doc	0000044941
Record Updated	Oct 29, 2026

August 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Aug 24, 2022
Property Address	409 RIDGE RD, TIBURON, CA 94920-1813
Document Number	0000030446
Map Reference	MB 2 PG 160
Instrument Date	Aug 22, 2022
Instrument	2022-0030446
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$9,227.90
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	409 RIDGE RD, TIBURON, CA 94920-1813

December 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Dec 1, 2021
Property Address	409 RIDGE RD, TIBURON, CA 94920-1813
Document Number	0000070931
Instrument Date	Nov 30, 2021
Instrument	2021-0070931
Transaction Type	Transfer
Record Updated	Dec 15, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4 N POINT CIR, BELVEDERE, CA 94920-2454

Tax Assessment & Valuation

The 2025 property tax bill for 409 Ridge Rd was $99,245 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		$8,902,406 (+2%) Land $5,306,000 Building $3,596,406
2025	$99,245.00 Homeowner's exemption	$8,727,915 Land $5,202,000 Building $3,525,915
2023	$93,903.00 (+96.49%) Homeowner's exemption	$8,389,000 Land $5,000,000 Building $3,389,000
2022	$47,790.00

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

Flood

FEMA maps place 409 Ridge Rd in Zone X, an area of minimal flood risk.

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

The area around 409 Ridge Rd has no burnable land within ember reach, so its wildfire risk is not rated.

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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