Marin County property record for 18 Cibrian Dr, Tiburon, CA 94920
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 5 ba · 4,219 sqft · built 1998 |
| Lot Size | 1.91 acres (83,635 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $6,200,000 (Nov 2021) |
| Tax Bill | $77,072 (2025) |
| Deeds & Mortgages | Nov 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 038-011-42 |
| Primary APN | 038-011-42 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 5 Baths |
| Building Area | 4,219 sqft Living Area |
| Basement Area | 460 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Contemporary |
| Lot Area | 83,635 sqft |
| Garage Area | 690 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 600 sqft |
| Deck Area | 362 sqft |
| Patio Area | 362 sqft |
| Heating System | Central |
|---|
| Street Address | 18 CIBRIAN DR |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1062 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4 |
| Legal Subdivision | HEXAN |
| Legal Lot Number | 4 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 121200 |
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 | 18 CIBRIAN DR, BELVEDERE TIBURON, CA 94920-1062 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 29, 2021 · Amount on Record |
| Deed Sale | Nov 29, 2021 · Amount on Record |
| Prior Sale | Dec 4, 2009 · Amount on Record |
| Deed Document Number | 202170355 |
| Prior Transfer Date | Mar 13, 2006 |
| Prior Transfer Doc | 0000015757 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Nov 29, 2021 |
| Property Address | 18 CIBRIAN DR, TIBURON, CA 94920-1062 |
| Document Number | 0000070355 |
| Map Reference | VOL 19 PG 34 |
| Instrument Date | Nov 18, 2021 |
| Instrument | 2021-0070355 |
| Transaction Type | Transfer |
| Record Updated | Aug 3, 2023 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $6,820.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 18 CIBRIAN DR, TIBURON, CA 94920-1062 |
| Document Number | 0000070356 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 2021-0070356 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.62% |
| Type Change Date | Dec 1, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.62% |
| Index | Other |
| Max Rate | 7.62% |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Corte Madera Town |
| Elementary School District | Reed Union Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed 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.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 4 (1982–2019) |
| Claims Outside the SFHA | 3 of 4 |
| Most Recent Claim | Jan 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.
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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 29 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: AT&T.
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