Marin County property record for 601 B St, San Rafael, CA 94901
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 942 sqft · built 1900 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $679,000 (Aug 2006) |
| Tax Bill | $10,762 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage Mar 2019 Line of Credit |
| Flood Zone | Zone AH (high risk) |
| APN | 012-076-10 |
| Primary APN | 012-076-10 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 942 sqft Living Area |
| Basement Area | 898 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Contemporary |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 300 sqft |
| Patio Area | 300 sqft |
| Heating System | Central |
|---|
| Street Address | 601 B ST |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-3805 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | T J MAHONS ADD |
| Legal Block | 20 |
| Legal Lot Number | 14,15 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 1 |
| Census Block | 1043 |
| Census Tract | 111001 |
601 B St is owned and occupied by two individuals who acquired it in July 2013.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 601 B ST, SAN RAFAEL, CA 94901-3805 |
| 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.
| Date | Document |
|---|---|
| Oct 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Mar 28, 2019 | Deed of Trust, Mortgage · Line of Credit BANK OF MARIN |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 31, 2006 · Amount on File |
| Deed Sale | Aug 31, 2006 · Amount on File |
| Deed Document Number | 200654956 |
| Last Transfer Date | Jul 25, 2013 |
| Transfer Doc | 0000051595 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 601 B ST, SAN RAFAEL, CA 94901-3805 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|---|
| Address | 601 B ST, SAN RAFAEL, CA 94901-3805 |
| Document Number | 0000052799 |
|---|---|
| Date | Oct 27, 2020 |
| Instrument | 2020-0052799 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 601 B ST, SAN RAFAEL, CA 94901-3805 |
| Document Number | 0000010741 |
| Instrument Date | Mar 28, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Apr 16, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 601 B ST SAN RAFAEL CA 949013805, SAN RAFAEL, CA 94901-3805 |
| Document Number | 0000010741 |
|---|---|
| Date | Apr 3, 2019 |
| Instrument | 10741 |
| Name | BANK OF MARIN |
|---|---|
| Type | Bank |
| Address | NOVATO, CA 94948 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 601 B St was $10,762 with a homeowner's exemption.
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 | $808,194 (+5.26%) Land $560,423 Building $247,771 | |
| 2025 | $10,762.00 Homeowner's exemption | $767,839 Land $549,436 Building $218,403 |
| 2023 | $10,192.00 (+5.78%) Homeowner's exemption | $738,029 Land $528,105 Building $209,924 |
| 2022 | $9,635.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 601 B St in Zone AH, 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 AH high risk · shallow ponding 1–3 ft |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 12.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 40 policies |
| Nearby Flood Policies | 40 in force |
| Nearby Flood Claims | 6 (2005–2021) |
| Most Recent Claim | Oct 2021 · river or lake flooding |
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 601 B St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 564 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 · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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