Marin County property record for 20 Holstein Rd, San Anselmo, CA 94960
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,541 sqft · built 1920 |
| Lot Size | 1.43 acres (62,330 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $4,590 (2025) |
| Deeds & Mortgages | Mar 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 005-054-02 |
| Primary APN | 005-054-02 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,541 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1935 |
| Lot Area | 62,330 sqft |
| Heating System | Central |
|---|
| Street Address | 20 HOLSTEIN RD |
|---|---|
| City | SAN ANSELMO |
| State | CA |
| Zip | 94960-1202 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1C |
| Legal Subdivision | SHORT RANCH 01 |
| Legal Lot Number | 1A |
| Jurisdiction | MARIN CA |
| Township / Civil Division | ROSS VALLEY |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 115000 |
20 Holstein Rd is held in a trust since December 1993.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 180 ALPINE ST, SAN RAFAEL, CA 94901-1008 |
| Owner Type | Company |
| Vesting | Trust, Family 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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 10, 1993 |
| Transfer Doc | 0000105764 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Mar 26, 2026 |
| Property Address | 20 HOLSTEIN RD, SAN ANSELMO, CA 94960-1202 |
| Document Number | 0000008833 |
| Map Reference | MB 4 PG 19 |
| Instrument Date | Mar 26, 2026 |
| Instrument | 2026-0008833 |
| Transaction Type | Transfer |
| Record Updated | Apr 8, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 180 ALPINE ST, SAN RAFAEL, CA 94901-1008 |
The 2025 property tax bill for 20 Holstein Rd was $4,590.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | San Anselmo Town |
| Elementary School District | Ross Valley Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $110,015 (+2%) Land $60,634 Building $49,381 | |
| 2025 | $4,590.00 | $107,858 Land $59,445 Building $48,413 |
| 2023 | $4,375.00 (+2.72%) | $103,670 Land $57,137 Building $46,533 |
| 2022 | $4,259.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 20 Holstein Rd 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 AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 16 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 21 (1980–2017) |
| Claims Outside the SFHA | 13 of 21 |
| Most Recent Claim | Apr 2017 · river or lake flooding |
| Claims by Event |
|
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 20 Holstein Rd is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 472 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile, Unwired.
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures