Marin County property record for 178 Irwin St, San Rafael, CA 94901
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,656 sqft · built 1973 |
| Lot Size | 0.227 acres (9,900 sqft) |
| Owner | Individual Name on File |
| Last Sale | $285,000 (Oct 1997) |
| Tax Bill | $8,327 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 013-213-40 |
| Primary APN | 013-213-40 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,656 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 9,900 sqft (0.227 acres) |
| Garage Area | 402 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 1,085 sqft |
| Patio Area | 1,085 sqft |
| Heating System | Central |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 178 IRWIN ST |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-5229 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PARCEL MAPS 7 PG 106 LOT 2 |
| Legal Lot Number | 87 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 112100 |
Source: Marin County assessment roll, 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 | Individual Name on File |
|---|---|
| Mailing Address | 3095 KERNER BLVD, Q, SAN RAFAEL, CA 94901-5420 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 10, 1997 · Amount on Record |
| Deed Sale | Oct 10, 1997 · Amount on Record |
| Deed Document Number | 199757919 |
| Last Transfer Date | Sep 30, 2015 |
| Transfer Doc | 0000048092 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 178 IRWIN ST, SAN RAFAEL, CA 94901-5229 |
| Transaction Type | Mortgage |
| Record Updated | Jan 11, 2022 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 185 N REDWOOD DR, SAN RAFAEL, CA 94903-1973 |
| Document Number | 0000075591 |
|---|---|
| Date | Dec 30, 2021 |
| Instrument | 2021-0075591 |
| Name | OPTIMUM FIRST INC |
|---|---|
| Type | Mortgage Company |
| Address | FOUNTAIN VALLEY, CA 92708 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2052 |
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 | $501,766 (+2%) Land $107,391 Building $394,375 | |
| 2025 | $8,327.00 (+7.96%) | $491,929 (+4.04%) Land $105,286 Building $386,643 |
| 2023 | $7,713.00 (+5.2%) | $472,830 Land $101,198 Building $371,632 |
| 2022 | $7,332.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 29 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 29 in force |
| Nearby Flood Claims | 21 (1980–2017) |
| Claims Outside the SFHA | 1 of 21 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 95% of the US · lower than 97% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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 524 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile USA.
5G (outdoors only) and 4G LTE
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