Marin County property record for 41 Mercury Ave, Tiburon, CA 94920
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,207 sqft · built 2011 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $350,000 (Mar 1994) |
| Tax Bill | $13,438 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-261-09 |
| Primary APN | 034-261-09 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,207 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2011 |
|---|---|
| Effective Year Built | Effective 2011 |
| Architectural Style | Contemporary |
| Lot Area | 8,400 sqft (0.193 acres) |
| Garage Area | 549 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 354 sqft |
| Patio Area | 354 sqft |
| Heating System | Central |
|---|
| Street Address | 41 MERCURY AVE |
|---|---|
| City | BELVEDERE TIBURON |
| State | CA |
| Zip | 94920-1344 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 90 |
| Legal Subdivision | BELVERON-GDNS 02 |
| Legal Lot Number | 90 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 124100 |
41 Mercury Ave is owned and occupied by two individuals who bought it in March 1994.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 41 MERCURY AVE, BELVEDERE TIBURON, CA 94920-1344 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 1994 · Amount on File |
| Deed Sale | Mar 31, 1994 · Amount on File |
| Deed Document Number | 199427349 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 41 Mercury Ave was $13,438 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 2026
| 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,104,256 (+2%) Land $329,372 Building $774,884 | |
| 2025 | $13,438.00 Homeowner's exemption | $1,082,606 Land $322,914 Building $759,692 |
| 2023 | $12,819.00 (-3.7%) Homeowner's exemption | $1,040,578 Land $310,376 Building $730,202 |
| 2022 | $13,311.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 41 Mercury Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 | 2 in force |
| Nearby Flood Claims | 1 (1982) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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.
The area around 41 Mercury Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 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.
4G LTE (outdoors only), no 5G reported
Search by:
By searching, you agree to: Terms • Privacy • Disclosures