Marin County property record for 100 Prospect Ave, Sausalito, CA 94965
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,672 sqft · built 2009 |
| Lot Size | 0.163 acres (7,110 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $770,000 (May 2004) |
| Tax Bill | $28,902 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 065-191-48 |
| Primary APN | 065-191-48 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 2,672 sqft Living Area |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 7,110 sqft (0.163 acres) |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,372 sqft |
| Patio Area | 1,372 sqft |
| Heating System | Radiant |
|---|
| Street Address | 100 PROSPECT AVE |
|---|---|
| City | SAUSALITO |
| State | CA |
| Zip | 94965-2305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MEAD TERRACE |
| Legal Lot Number | 6 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SOUTHEAST MARIN |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 130201 |
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 Company Names on File |
|---|---|
| Mailing Address | 100 PROSPECT AVE, SAUSALITO, CA 94965-2305 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 3, 2004 · Amount on Record |
| Deed Sale | May 3, 2004 · Amount on Record |
| Deed Document Number | 200437029 |
| Last Transfer Date | Nov 13, 2007 |
| Transfer Doc | 0000067965 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Sausalito City |
| Elementary School District | Sausalito Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,344,654 (+2%) Land $1,215,113 Building $1,129,541 | |
| 2025 | $28,902.00 (+6.98%) Homeowner's exemption | $2,298,687 (+4.04%) Land $1,191,291 Building $1,107,396 |
| 2023 | $27,017.00 (+3.89%) Homeowner's exemption | $2,209,442 Land $1,145,038 Building $1,064,404 |
| 2022 | $26,006.00 |
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 |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 10 (1982–1998) |
| Claims Outside the SFHA | 10 of 10 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And 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 65% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 616 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: California Internet, T-Mobile USA.
5G (outdoors only) and 4G LTE
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