Marin County property record for 148 Madrone Ave, Larkspur, CA 94939
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,032 sqft · built 1910 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $375,000 (May 1998) |
| Tax Bill | $10,755 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-081-09 |
| Primary APN | 021-081-09 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,032 sqft Living Area |
| Basement Area | 288 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1935 |
| Architectural Style | Contemporary |
| Lot Area | 5,000 sqft (0.115 acres) |
| Deck Area | 620 sqft |
| Patio Area | 620 sqft |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 148 MADRONE AVE |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-2162 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP E6 586 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 3 |
| Census Block | 3013 |
| Census Tract | 120002 |
148 Madrone Ave is owned by a company that acquired it in May 2000.
Source: Marin County records, as of August 6, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 171 DEGAS RD, PORTOLA VALLEY, CA 94028-7708 |
| Owner Type | Company |
| Vesting | Life Tenant |
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 | 2 Names on Deed |
|---|---|
| Last Sale | May 21, 1998 · Amount on File |
| Deed Sale | May 21, 1998 · Amount on File |
| Deed Document Number | 199833878 |
| Last Transfer Date | May 15, 2000 |
| Transfer Doc | 0000027633 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 148 Madrone Ave was $10,755.
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 | $610,717 (+2%) Land $325,716 Building $285,001 | |
| 2025 | $10,755.00 | $598,743 Land $319,330 Building $279,413 |
| 2023 | $10,136.00 (+1.96%) | $575,497 Land $306,932 Building $268,565 |
| 2022 | $9,941.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 148 Madrone Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 148 Madrone Ave is moderate, ranking above 46% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 72% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 448 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Unwired.
4G LTE (outdoors only), no 5G reported
Search by:
By searching, you agree to: Terms • Privacy • Disclosures