6 Cibrian Dr, Tiburon (Belvedere Tiburon), CA 94920 Property Records

Marin County property record for 6 Cibrian Dr, Tiburon, CA 94920

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 5,912 sqft · built 1989
Lot Size	1.02 acres (44,866 sqft)
Owner	2 Company Names on Record
Last Sale	$5,260,000 (Apr 2018)
Tax Bill	$68,010 (2025)
Deeds & Mortgages	Dec 2022 Mortgage Apr 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`038-011-28`

Property Details

APN / Parcel Number

Primary APN	`038-011-28`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	5,912 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1989
Effective Year Built	Effective 2000
Architectural Style	Contemporary
Exterior Material	Stucco
Roof Material	Tile
Lot Area	44,866 sqft
Garage Area	920 sqft
Parking Spaces	4 Parking Spaces
Pool Area	792 sqft
Deck Area	1,887 sqft
Patio Area	1,887 sqft

Utilities, Heating & Cooling

Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	6 CIBRIAN DR
City	BELVEDERE TIBURON
State	CA
Zip	94920-1062
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RPD
Legal Description	MAP 18 PG 87 LOT 3
Legal Subdivision	CIBRIAN
Legal Lot Number	3
Jurisdiction	MARIN CA
Township / Civil Division	SOUTHEAST MARIN
Census Block Group	2
Census Block	2008
Census Tract	124100

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	6 CIBRIAN DR, BELVEDERE TIBURON, CA 94920-1062
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Dec 5, 2022	Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK
Apr 10, 2018	Grant Deed, Transfer · ARM FIRST REPUBLIC BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 10, 2018 · Amount on Record
Deed Sale	Apr 10, 2018 · Amount on Record
Deed Document Number	201812670
Record Updated	Sep 20, 2026

December 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	6 CIBRIAN DR, TIBURON, CA 94920-1062
Transaction Type	Mortgage
Record Updated	Aug 3, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6 CLBRIAN DRIVE, TIBURON, CA 94920-1062

Mortgage

Document Number	0000039373
Date	Dec 5, 2022
Instrument	2022-0039373

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2052

Interest

Rate Type	Adjustable Rate
Rate	3.95%
Type Change Date	Dec 1, 2029
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	1-Year T-Bill
Max Rate	10.9%

April 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 10, 2018
Property Address	6 CIBRIAN DR, TIBURON, CA 94920-1062
Document Number	0000012670
Map Reference	VOL18 PG87
Instrument Date	Apr 7, 2018
Instrument	2018-0012670
Transaction Type	Transfer
Record Updated	Aug 13, 2021
Title Company	OLD REPUBLIC TITLE CO

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	Family Trust
Address	6 CIBRIAN DR, BELVEDERE TIBURON, CA 94920-1062

Mortgage

Document Number	0000012671
Date	Apr 10, 2018
Instrument	2018-0012671

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	May 1, 2048

Interest

Rate Type	Adjustable Rate
Rate	3.85%
Type Change Date	Apr 1, 2023
Change Frequency	Annually
Min Rate At Change	2.62%
Index	1-Year LIBOR
Max Rate	9.95%

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		$6,098,742 (+2%) Land $3,365,624 Building $2,733,118
2025	$68,010.00 (+5.81%)	$5,979,191 (+4.04%) Land $3,299,649 Building $2,679,542
2023	$64,277.00 (+1.23%)	$5,747,025 Land $3,171,527 Building $2,575,498
2022	$63,494.00

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
Flood Insurance Cost	Premium on Record median of 52 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	52 in force
Nearby Flood Claims	13 (1978–2026)
Claims Outside the SFHA	9 of 13
Most Recent Claim	Jan 2026 · tidal / storm surge
Claims by Event	Severe Winter Storms And Flooding, Feb 1998 · 2 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	None beyond 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 50 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Unwired Fixed Wireless	300 / 25

May also be available: AT&T, Verizon.

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