535 Comstock Dr, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 535 Comstock Dr, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 2,970 sqft · built 1952
Lot Size	0.277 acres (12,070 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,775,000 (Aug 2018)
Tax Bill	$37,513 (2025)
Deeds & Mortgages	Aug 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`055-082-19`

Property Details

APN / Parcel Number

Primary APN	`055-082-19`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,970 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Exterior Material	Wood Shingle
Roof Material	Tar & Gravel
Lot Area	12,070 sqft (0.277 acres)
Garage Area	473 sqft
Parking Spaces	2 Parking Spaces
Deck Area	1,752 sqft
Patio Area	1,752 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	535 COMSTOCK DR
City	BELVEDERE TIBURON
State	CA
Zip	94920-1309
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 26
Legal Subdivision	LITTLE REED HEIGHTS 02
Legal Lot Number	26
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	4
Census Block	4002
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 Individual Names on Record
Mailing Address	535 COMSTOCK DR, BELVEDERE TIBURON, CA 94920-1309
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 13, 2018 · Amount on Record
Deed Sale	Aug 13, 2018 · Amount on Record
Prior Sale	Nov 17, 2006 · Amount on Record
Deed Document Number	201828603
Prior Transfer Date	Sep 3, 2009
Prior Transfer Doc	0000053999
Record Updated	Oct 29, 2026

August 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Aug 13, 2018
Property Address	535 COMSTOCK DR, TIBURON, CA 94920-1309
Document Number	0000028603
Map Reference	MB7 PG48
Instrument Date	Aug 3, 2018
Instrument	2018-0028603
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	535 COMSTOCK DR, BELVEDERE TIBURON, CA 94920-1309

Mortgage

Document Number	0000028604
Date	Aug 13, 2018
Instrument	2018-0028604

Lender

Name	CITIBANK NA
Type	Bank

Agreement

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

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		$3,146,044 (+2%) Land $1,820,496 Building $1,325,548
2025	$37,513.00 (+5.41%) Homeowner's exemption	$3,084,357 (+4.04%) Land $1,784,800 Building $1,299,557
2023	$35,587.00 (+0.82%) Homeowner's exemption	$2,964,605 Land $1,715,504 Building $1,249,101
2022	$35,296.00

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	9 in force
Nearby Flood Claims	8 (1980–2021)
Claims Outside the SFHA	8 of 8
Most Recent Claim	Feb 2021 · other causes
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 311 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

May also be available: Etheric Networks, Verizon.

Nearby Properties on Comstock Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures