Marin County property record for 70 Saint Thomas Way, Tiburon, CA 94920
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5.5 ba · 6,858 sqft · built 2003 |
| Lot Size | 0.92 acres (40,059 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $7,500,000 (May 2023) |
| Tax Bill | $91,878 (2025) |
| Deeds & Mortgages | May 2023 Sale & Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 038-222-47 |
| Primary APN | 038-222-47 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 6,858 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2004 |
| Lot Area | 40,059 sqft (0.92 acres) |
| Garage Area | 1,120 sqft |
| Parking Spaces | 4 Parking Spaces |
| Deck Area | 1,350 sqft |
| Patio Area | 1,350 sqft |
| Heating System | Central |
|---|
| Street Address | 70 SAINT THOMAS WAY |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1030 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | PARADISE CAY MAP #4 |
| Legal Lot Number | 14 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 2 |
| Census Block | 2014 |
| Census Tract | 124100 |
Source: Marin County assessment roll, 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 File |
|---|---|
| Mailing Address | 70 SAINT THOMAS WAY, BELVEDERE TIBURON, CA 94920-1030 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 31, 2023 · Amount on Record |
| Deed Sale | May 31, 2023 · Amount on Record |
| Prior Sale | Sep 18, 2003 · Amount on Record |
| Deed Document Number | 202313675 |
| Prior Transfer Date | Aug 29, 2005 |
| Prior Transfer Doc | 0000069295 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | May 31, 2023 |
| Property Address | 70 SAINT THOMAS WAY, TIBURON, CA 94920-1030 |
| Document Number | 0000013675 |
| Map Reference | VOL 14 PG 50 |
| Instrument Date | May 30, 2023 |
| Instrument | 2023-0013675 |
| Transaction Type | Transfer |
| Record Updated | Jun 14, 2023 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $8,250.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 70 SAINT THOMAS WAY, TIBURON, CA 94920-1030 |
| Document Number | 0000013676 |
|---|---|
| Date | May 31, 2023 |
| Instrument | 2023-0013676 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2053 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| 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 | $7,959,000 (+2%) Land $4,244,800 Building $3,714,200 | |
| 2025 | $91,878.00 (+4.43%) | $7,803,000 (+2.67%) Land $4,161,600 Building $3,641,400 |
| 2023 | $87,979.00 (+5.29%) | $7,600,000 Land $4,180,000 Building $3,420,000 |
| 2022 | $83,559.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| 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 |
|
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 165 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: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures