Marin County property record for 18 Windsor Ave, San Rafael, CA 94901
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,314 sqft · built 1954 |
| Lot Size | 0.122 acres (5,300 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $590,000 (Apr 2002) |
| Tax Bill | $13,589 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 010-042-05 |
| Primary APN | 010-042-05 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,314 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Contemporary |
| Lot Area | 5,300 sqft (0.122 acres) |
| Deck Area | 140 sqft |
| Patio Area | 140 sqft |
| Heating System | Central |
|---|
| Street Address | 18 WINDSOR AVE |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-1052 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | SUN VLY HEIGHTS 01 |
| Legal Lot Number | 9 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 109002 |
Source: Marin County records, as of July 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 18 WINDSOR AVE, SAN RAFAEL, CA 94901-1052 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 17, 2002 · Amount on Record |
| Deed Sale | Apr 17, 2002 · Amount on Record |
| Deed Document Number | 200230973 |
| Last Transfer Date | May 23, 2013 |
| Transfer Doc | 0000045673 |
| Record Updated | Oct 29, 2026 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Sep 11, 2025 |
| Property Address | 18 WINDSOR AVE, SAN RAFAEL, CA 94901-1052 |
| Document Number | 0000023616 |
| Map Reference | MB 8 PG 2 |
| Instrument Date | Sep 5, 2025 |
| Instrument | 2025-0023616 |
| Record Updated | Sep 29, 2025 |
| Title Company | MORTGAGE CONNECT LP |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 18 WINDSOR AVE, SAN RAFAEL, CA 94901-1052 |
| Document Number | 0000023617 |
|---|---|
| Date | Sep 11, 2025 |
| Instrument | 2025-0023617 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Oct 1, 2040 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Municipality | San Rafael City |
| Elementary School District | San Rafael City Elementary School District (KG - 08) |
| Secondary School District | San Rafael City High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $961,519 (+2%) Land $691,195 Building $270,324 | |
| 2025 | $13,589.00 (+5.62%) Homeowner's exemption | $942,668 (+4.04%) Land $677,644 Building $265,024 |
| 2023 | $12,866.00 (+5.76%) Homeowner's exemption | $906,071 Land $651,336 Building $254,735 |
| 2022 | $12,165.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1995) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 1995 · rainfall accumulation |
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.
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 | 0.01% annual chance |
| Exposure | Indirect within ember reach |
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 289 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile.
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