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

Marin County property record for 539 Comstock Dr, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,688 sqft · built 1952
Lot Size	0.213 acres (9,295 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,825,000 (Jul 2023)
Tax Bill	$35,363 (2025)
Deeds & Mortgages	Jul 2023 Sale & Mortgage Jul 2023 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`055-082-18`

Property Details

APN / Parcel Number

Primary APN	`055-082-18`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	1,688 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1990
Architectural Style	Contemporary
Lot Area	9,295 sqft (0.213 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Deck Area	297 sqft
Patio Area	367 sqft

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	539 COMSTOCK DR
City	BELVEDERE TIBURON
State	CA
Zip	94920-1309
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 27
Legal Subdivision	LITTLE REED HEIGHTS #2
Legal Lot Number	27
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	539 COMSTOCK DR, BELVEDERE TIBURON, CA 94920-1309
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 14, 2023	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA
Jul 14, 2023	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Jun 30, 2021	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 14, 2023 · Amount on Record
Deed Sale	Jul 14, 2023 · Amount on Record
Prior Sale	Jul 14, 2023 · Amount on Record
Deed Document Number	202317526
Prior Transfer Date	Nov 17, 2009
Prior Transfer Doc	0000065699
Record Updated	Sep 20, 2026

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 14, 2023
Property Address	539 COMSTOCK DR, TIBURON, CA 94920-1309
Document Number	0000017526
Instrument Date	Jul 5, 2023
Instrument	2023-0017526
Transaction Type	Transfer
Record Updated	Jul 27, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,107.50
Amount Accuracy	Calculated from Transfer Tax
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	539 COMSTOCK DR, TIBURON, CA 94920-1309

Mortgage

Document Number	0000017527
Date	Jul 14, 2023
Instrument	2023-0017527

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Type Change Date	Aug 1, 2030
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	10.7%
Index	Other
Max Rate	10.7%

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 14, 2023
Property Address	539 COMSTOCK DR, TIBURON, CA 94920-1309
Document Number	0000017525
Instrument Date	Jul 3, 2023
Instrument	2023-0017525
Transaction Type	Transfer
Record Updated	Jul 27, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Tax	$3,107.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1625 ROUTE 101 EAST, MORRIS PLAINS, NJ 07950
Investor	Possibly a Property Investor

June 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jun 30, 2021
Property Address	539 COMSTOCK DR, TIBURON, CA 94920-1309
Document Number	0000043216
Instrument Date	Jun 28, 2021
Instrument	2021-0043216
Transaction Type	Transfer
Record Updated	Jul 15, 2021
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	$2,689.50
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	539 COMSTOCK DR, TIBURON, CA 94920-1309

Mortgage

Document Number	0000043217
Date	Jun 30, 2021
Instrument	2021-0043217

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

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		$2,939,130 (+2%) Land $1,872,720 Building $1,066,410
2025	$35,363.00 (+13.3%)	$2,881,500 (+12.81%) Land $1,836,000 Building $1,045,500
2023	$31,211.00 (+1.02%)	$2,554,182 Land $1,534,590 Building $1,019,592
2022	$30,897.00

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