Marin County property record for 647 Irwin St, San Rafael, CA 94901
| Property Type | Commercial |
|---|---|
| Details | 2 bd · 6,200 sqft · built 1958 |
| Lot Size | 0.27 acres (11,745 sqft) |
| Owner | Company Name on File |
| Last Sale | $575,000 (Apr 1998) |
| Tax Bill | $32,768 (2025) |
| Deeds & Mortgages | Nov 2019 Loan Modification |
| Flood Zone | Zone AE (high risk) |
| APN | 013-032-02 |
| Primary APN | 013-032-02 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Building Area | 6,200 sqft Gross Area |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Lot Area | 11,745 sqft (0.27 acres) |
| Street Address | 647 IRWIN ST |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-5018 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 112100 |
647 Irwin St, a commercial property, is owned by a company that bought it in April 1998.
Source: Marin County records, as of July 13, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 751300, PETALUMA, CA 94975-1300 |
| Owner Type | Company |
| Vesting | Company |
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 | Apr 17, 1998 · Amount on File |
| Deed Sale | Apr 17, 1998 · Amount on File |
| Deed Document Number | 199825310 |
| Prior Transfer Date | Apr 14, 1998 |
| Prior Transfer Doc | 0000025309 |
| Record Updated | Sep 20, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 647 IRWIN ST, SAN RAFAEL, CA 94901-5018 |
| Document Number | 0000046215 |
| Instrument Date | Nov 22, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Dec 19, 2019 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 181 LYNCH CREEK WAY PETALUMA CA 949542372, PETALUMA, CA 94954-2372 |
| Document Number | 0000046215 |
|---|---|
| Date | Dec 5, 2019 |
| Instrument | 46215 |
| Name | BANK OF MARIN |
|---|---|
| Type | Bank |
| Address | NOVATO, CA 94948 |
| Amount | Amount on Record |
|---|---|
| Term | 120 Months |
| Due | Dec 4, 2029 |
The 2025 property tax bill for 647 Irwin St was $32,768.
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 | $2,139,827 (+2%) Land $566,923 Building $1,572,904 | |
| 2025 | $32,768.00 | $2,097,872 Land $555,807 Building $1,542,065 |
| 2023 | $30,445.00 (+5.35%) | $2,016,425 Land $534,228 Building $1,482,197 |
| 2022 | $28,900.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 647 Irwin St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 51 policies |
| Nearby Flood Policies | 51 in force |
| Nearby Flood Claims | 91 (1979–2022) |
| Claims Outside the SFHA | 2 of 91 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| 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.
The area around 647 Irwin St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 201 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 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom, T-Mobile, Verizon.
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