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

Marin County property record for 18 Cibrian Dr, Tiburon, CA 94920

Property Summary

Property TypeSingle Family Home
Details4 bd · 5 ba · 4,219 sqft · built 1998
Lot Size1.91 acres (83,635 sqft)
Owner2 Individual Names on Record
Last Sale$6,200,000 (Nov 2021)
Tax Bill$77,072 (2025)
Deeds & MortgagesNov 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN038-011-42

Property Details

APN / Parcel Number

Primary APN038-011-42

Interior

Bedrooms4 Beds
Full Baths5 Baths
Building Area4,219 sqft Living Area
Basement Area460 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1998
Effective Year BuiltEffective 1998
Architectural StyleContemporary
Lot Area83,635 sqft
Garage Area690 sqft
Parking Spaces2 Parking Spaces
Pool Area600 sqft
Deck Area362 sqft
Patio Area362 sqft

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address18 CIBRIAN DR
CityBELVEDERE TIBURON
StateCA
Zip94920-1062
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 4
Legal SubdivisionHEXAN
Legal Lot Number4
JurisdictionMARIN CA
Township / Civil DivisionROSS VALLEY
Census Block Group4
Census Block4000
Census Tract121200

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 Record2 Individual Names on Record
Mailing Address18 CIBRIAN DR, BELVEDERE TIBURON, CA 94920-1062
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 29, 2021 · Amount on Record
Deed SaleNov 29, 2021 · Amount on Record
Prior SaleDec 4, 2009 · Amount on Record
Deed Document Number202170355
Prior Transfer DateMar 13, 2006
Prior Transfer Doc0000015757
Record UpdatedSep 20, 2026

November 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionMARIN CA
Recording DateNov 29, 2021
Property Address18 CIBRIAN DR, TIBURON, CA 94920-1062
Document Number0000070355
Map ReferenceVOL 19 PG 34
Instrument DateNov 18, 2021
Instrument2021-0070355
Transaction TypeTransfer
Record UpdatedAug 3, 2023
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$6,820.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address18 CIBRIAN DR, TIBURON, CA 94920-1062

Mortgage

Document Number0000070356
DateNov 29, 2021
Instrument2021-0070356
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 1, 2051
Interest
Rate TypeAdjustable Rate
Rate2.62%
Type Change DateDec 1, 2031
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change7.62%
IndexOther
Max Rate7.62%

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
MunicipalityCorte Madera Town
Elementary School DistrictReed Union Elementary School District (KG - 08)
Secondary School DistrictTamalpais Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$6,977,534 (+2.53%) Land $3,896,712 Building $3,080,822
2025$77,072.00 (+9.27%)$6,805,450 (+7.61%) Land $3,820,320 Building $2,985,130
2023$70,534.00 (+1.23%)$6,324,000 Land $3,672,000 Building $2,652,000
2022$69,676.00

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone VE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies2 in force
Nearby Flood Claims4 (1982–2019)
Claims Outside the SFHA3 of 4
Most Recent ClaimJan 2019 · river or lake flooding

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 RiskNot 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 SystemMARIN MUNICIPAL WATER DISTRICT
serves 188,116 people · EPA ID CA2110002
Water SourceSurface water
Last State InspectionAug 2023
LeadUnder 1 ppb (2019–2021)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 29 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25

May also be available: AT&T.

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