Marin County property record for 381 Riviera Cir, Larkspur, CA 94939
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,889 sqft · built 1968 |
| Lot Size | 0.201 acres (8,750 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $2,650,000 (Oct 2024) |
| Tax Bill | $33,408 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 022-221-07 |
| Primary APN | 022-221-07 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,889 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Contemporary |
| Lot Area | 8,750 sqft (0.201 acres) |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 444 sqft |
| Patio Area | 444 sqft |
| Heating System | Central |
|---|
| Street Address | 381 RIVIERA CIR |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-1508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 106 |
| Legal Subdivision | GREENBRAE MARINA 02 |
| Legal Tract | 2 |
| Legal Lot Number | 106 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 120002 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 381 RIVIERA CIR, LARKSPUR, CA 94939-1508 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Woman |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 4, 2024 · Amount on Record |
| Deed Sale | Oct 4, 2024 · Amount on Record |
| Deed Document Number | 202426848 |
| Prior Transfer Date | Apr 24, 2024 |
| Prior Transfer Doc | 0000012424 |
| Record Updated | Sep 20, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | Larkspur City |
| Elementary School District | Larkspur Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,075,573 (-21.68%) Land $1,223,335 Building $852,238 | |
| 2025 | $33,408.00 (+216.15%) | $2,650,000 (+239.37%) Land $1,575,000 Building $1,075,000 |
| 2023 | $10,567.00 (+1.18%) Homeowner's exemption | $780,856 Land $408,399 Building $372,457 |
| 2022 | $10,444.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 102 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 311 units insured incl. 209 condo units |
| Nearby Flood Claims | 12 (2017–2026) |
| Most Recent Claim | Jan 2026 · other causes |
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 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | Under 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 556 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Unwired.
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