Marin County property record for 305 Holcomb Ave, Larkspur, CA 94939
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,723 sqft · built 1940 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,498 (2025) |
| Deeds & Mortgages | Sep 2018 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 021-171-03 |
| Primary APN | 021-171-03 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,723 sqft Living Area |
| Basement Area | 84 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Contemporary |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 231 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 305 HOLCOMB AVE |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-2021 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | OFFICIAL RECS 2 PG 90 BLK E PART OF LOT 11,12 |
| Legal Subdivision | BALTIMORE PARK 01 |
| Legal Lot Number | 11 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 120002 |
305 Holcomb Ave is owned by a company that acquired it in March 2008 and is owner-occupied.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 305 HOLCOMB AVE, LARKSPUR, CA 94939-2021 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Borrower in Default |
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 Transfer Date | Mar 14, 2008 |
| Transfer Doc | 0000013880 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Sep 5, 2018 |
| Property Address | 305 HOLCOMB AVE, LARKSPUR, CA 94939-2021 |
| Document Number | 0000031361 |
| Instrument Date | Sep 2, 2018 |
| Instrument | 31361 |
| Transaction Type | Transfer |
| Record Updated | Oct 3, 2018 |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 305 HOLCOMB AVE LARKSPUR CA 949392021, LARKSPUR, CA 94939-2021 |
The 2025 property tax bill for 305 Holcomb Ave was $4,498 with a homeowner's exemption.
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 | $187,035 (+2%) Land $31,258 Building $155,777 | |
| 2025 | $4,498.00 Homeowner's exemption | $183,367 Land $30,645 Building $152,722 |
| 2023 | $4,246.00 (+2.76%) Homeowner's exemption | $176,249 Land $29,456 Building $146,793 |
| 2022 | $4,132.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 305 Holcomb Ave in Zone X, an area of moderate flood risk, though there have been 2 flood claims nearby since 2017.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 20 policies |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 2 (2017–2023) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Mar 2023 · Severe Storm And Flooding |
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 305 Holcomb Ave is low, with a 0.02% 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 | 0.02% 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 663 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 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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