Marin County property record for 22 Prospect Ave, San Anselmo, CA 94960
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,156 sqft · built 1971 |
| Lot Size | 0.119 acres (5,175 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $199,000 (Dec 1994) |
| Tax Bill | $11,641 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-192-24 |
| Primary APN | 006-192-24 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 2,156 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Contemporary |
| Lot Area | 5,175 sqft (0.119 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 62 sqft |
| Patio Area | 62 sqft |
| Heating System | Central |
|---|
| Street Address | 22 PROSPECT AVE |
|---|---|
| City | SAN ANSELMO |
| State | CA |
| Zip | 94960-2519 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT 6 |
| Legal Subdivision | WILLIAM BARBER |
| Legal Lot Number | 6 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2022 |
| Census Tract | 117000 |
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 | 22 PROSPECT AVE, SAN ANSELMO, CA 94960-2519 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 7, 1994 · Amount on Record |
| Deed Sale | Dec 7, 1994 · Amount on Record |
| Deed Document Number | 199483178 |
| Last Transfer Date | Apr 8, 2011 |
| Transfer Doc | 0000033040 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | San Anselmo Town |
| Elementary School District | Ross Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $845,611 (+2%) Land $385,456 Building $460,155 | |
| 2025 | $11,641.00 (+4.2%) Homeowner's exemption | $829,031 (+4.04%) Land $377,898 Building $451,133 |
| 2023 | $11,172.00 (+1.09%) Homeowner's exemption | $796,843 Land $363,226 Building $433,617 |
| 2022 | $11,051.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 28 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 28 in force |
| Nearby Flood Claims | 45 (1980–2019) |
| Claims Outside the SFHA | 11 of 45 |
| Most Recent Claim | Mar 2019 · river or lake flooding |
| 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 | Low lower than 80% of the US · lower than 88% 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.
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 626 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Unwired.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures