Marin County property record for 121 Holcomb Ave, Larkspur, CA 94939
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 825 sqft · built 1942 |
| Lot Size | 0.055 acres (2,400 sqft) |
| Owner | Trust Name on File |
| Last Sale | $234,000 (Sep 1995) |
| Tax Bill | $8,293 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 021-183-01 |
| Primary APN | 021-183-01 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 825 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | Contemporary |
| Lot Area | 2,400 sqft (0.055 acres) |
| Garage Area | 275 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|
| Street Address | 121 HOLCOMB AVE |
|---|---|
| City | LARKSPUR |
| State | CA |
| Zip | 94939-2117 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLK C LOT 7 |
| Legal Subdivision | BALTIMORE PARK |
| Legal Block | C |
| Legal Lot Number | 7 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 120002 |
121 Holcomb Ave is owner-occupied and held in a trust since September 1995.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 121 HOLCOMB AVE, LARKSPUR, CA 94939-2117 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Sep 29, 1995 · Amount on File |
| Deed Sale | Sep 29, 1995 · Amount on File |
| Deed Document Number | 199546119 |
| Prior Transfer Date | Sep 22, 1995 |
| Prior Transfer Doc | 0000046118 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 121 Holcomb Ave was $8,293 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 | $396,054 (+2%) Land $230,235 Building $165,819 | |
| 2025 | $8,293.00 Homeowner's exemption | $388,288 Land $225,720 Building $162,568 |
| 2023 | $7,799.00 (+2.42%) Homeowner's exemption | $373,211 Land $216,956 Building $156,255 |
| 2022 | $7,615.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 121 Holcomb Ave in Zone X, an area of minimal 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 minimal risk |
|---|---|
| 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 121 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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