Marin County property record for 109 Locust Ave, Larkspur, CA 94939 · Last verified July 2026
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,716 sqft · built 1951 |
| Lot Size | 0.181 acres (7,895 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $9,225 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-251-09 |
| Primary APN | 020-251-09 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 1,716 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Duplex Single |
| Lot Area | 7,895 sqft (0.181 acres) |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 109 LOCUST AVE |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-1310 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Subdivision | PUNTA DE QUENTIN RHO |
| Legal Lot Number | 18 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 120002 |
Source: Marin County records · APN 020-251-09
Assessment roll updated July 13, 2026 · Last verified July 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 | 82 SAN MIGUEL WAY, NOVATO, CA 94945-1765 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jun 15, 2003 |
| Transfer Doc | 0000095655 |
| Record Updated | Sep 20, 2026 |
Source: Marin County records · Assessment roll updated July 13, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $319,165 (+2%) Land $99,658 Building $219,507 | |
| 2025 | $9,225.00 (+6.77%) | $312,908 (+4.04%) Land $97,704 Building $215,204 |
| 2023 | $8,640.00 (+3.08%) | $300,758 Land $93,910 Building $206,848 |
| 2022 | $8,382.00 |
Source: FEMA National Flood Hazard Layer, Marin County (06041C), updated October 18, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060411200023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 3 in force |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 4,348 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 448 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
May also be available at this address: AT&T, Unwired, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
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