Marin County property record for 35 Sinaloa Ave, Forest Knolls, CA 94933
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,216 sqft · built 1974 |
| Lot Size | 0.533 acres (23,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $485,000 (Nov 2003) |
| Tax Bill | $9,410 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 169-311-17 |
| Primary APN | 169-311-17 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Building Area | 1,216 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 23,200 sqft (0.533 acres) |
| Garage Area | 448 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 250 sqft |
| Patio Area | 250 sqft |
| Heating System | Baseboard |
|---|---|
| Heating Fuel | Oil |
| Street Address | 35 SINALOA AVE |
|---|---|
| City | FOREST KNOLLS |
| State | CA |
| Zip | 94933-0862 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | FOREST KNOLLS |
| Legal Block | 14 |
| Legal Lot Number | 8,15 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | NORTHWEST MARIN |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 113000 |
35 Sinaloa Ave is owned and occupied by two individuals who acquired it in May 2011.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 731, FOREST KNOLLS, CA 94933-0731 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Nov 14, 2003 · Amount on File |
| Deed Sale | Nov 14, 2003 · Amount on File |
| Deed Document Number | 2003138325 |
| Last Transfer Date | May 11, 2011 |
| Transfer Doc | 0000027061 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 35 Sinaloa Ave was $9,410 with a homeowner's exemption.
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Elementary School District | Lagunitas Elementary School District (KG - 08) |
| Secondary School District | Tamalpais Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $703,317 (+2%) Land $420,540 Building $282,777 | |
| 2025 | $9,410.00 Homeowner's exemption | $689,528 Land $412,295 Building $277,233 |
| 2023 | $8,858.00 (+2.24%) Homeowner's exemption | $662,756 Land $396,287 Building $266,469 |
| 2022 | $8,664.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 35 Sinaloa Ave in Zone X, an area of minimal flood risk, though there have been 28 flood claims nearby since 1982.
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 19 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 19 in force |
| Nearby Flood Claims | 28 (1982–2021) |
| Claims Outside the SFHA | 9 of 28 |
| Most Recent Claim | Oct 2021 · tidal / storm surge |
| 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 35 Sinaloa Ave is high, ranking above 73% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 73% of the US · above 48% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 18 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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