Marin County property record for 13 Post St, Larkspur, CA 94939
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 3 bd · 4 ba · 2,324 sqft · built 1900 |
| Lot Size | 0.197 acres (8,600 sqft) |
| Owner | Individual Name on File |
| Last Sale | $93,000 (May 2003) |
| Tax Bill | $23,510 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-253-01 |
| Primary APN | 020-253-01 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Units | 4 Units |
| Building Area | 2,324 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Multi-Family |
| Lot Area | 8,600 sqft (0.197 acres) |
| Street Address | 13 POST ST |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-1341 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | BLK H LOT 1 |
| Legal Subdivision | LARKSPUR |
| Legal Block | H |
| Legal Lot Number | 1 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 120002 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Larkspur Downtown Historic District listed 1982 · 42 contributing resources · NRIS 82000972 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
13 Post St, a residential property, is owned by an individual who acquired it in October 2016.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 91 SANDPIPER CIR, CORTE MADERA, CA 94925-1087 |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | May 23, 2003 · Amount on File |
| Deed Sale | May 23, 2003 · Amount on File |
| Prior Sale | Mar 4, 2002 · Amount on File |
| Deed Document Number | 200361361 |
| Last Transfer Date | Oct 7, 2016 |
| Transfer Doc | 0000049552 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 13 Post St was $23,510.
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 | $1,242,965 (+2%) Land $701,987 Building $540,978 | |
| 2025 | $23,510.00 | $1,218,627 Land $688,224 Building $530,403 |
| 2023 | $22,129.00 (+2.25%) | $1,171,378 Land $661,505 Building $509,873 |
| 2022 | $21,642.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 13 Post St in Zone X, an area of minimal flood risk.
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 | 3 in force |
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.
Wildfire risk around 13 Post St is low, with a 0.01% annual chance of wildfire.
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 | Indirect 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 416 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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