Marin County property record for 321 C St, San Rafael, CA 94901
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 2 ba · 2,429 sqft · built 1904 |
| Lot Size | 0.127 acres (5,520 sqft) |
| Owner | Company on Record |
| Last Sale | $111,000 (Nov 1999) |
| Tax Bill | $11,159 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 012-182-31 |
| Primary APN | 012-182-31 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Units | 2 Units |
| Building Area | 2,429 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Contemporary |
| Lot Area | 5,520 sqft (0.127 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 268 sqft |
| Patio Area | 268 sqft |
| Street Address | 321 C ST |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94901-4918 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | 000094901 PM LOT 000001 MAP 000017 00010 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 3 |
| Census Block | 3002 |
| 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 | Company on Record |
|---|---|
| Mailing Address | 321 C ST, SAN RAFAEL, CA 94901-4918 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 18, 1999 · Amount on Record |
| Deed Sale | Nov 18, 1999 · Amount on Record |
| Deed Document Number | 199982745 |
| Last Transfer Date | May 5, 2006 |
| Transfer Doc | 0000028794 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 321 C ST, SAN RAFAEL, CA 94901-4918 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000012648 |
|---|---|
| Date | Mar 30, 2020 |
| Instrument | 2020-0012648 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | OWENSBORO, KY 42301 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2050 |
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 | $685,575 (+2%) Land $311,625 Building $373,950 | |
| 2025 | $11,159.00 (+8.89%) Homeowner's exemption | $672,134 (+4.04%) Land $305,516 Building $366,618 |
| 2023 | $10,248.00 (+5.1%) Homeowner's exemption | $646,037 Land $293,653 Building $352,384 |
| 2022 | $9,751.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 5 (1980–2016) |
| Claims Outside the SFHA | 2 of 5 |
| Most Recent Claim | Jan 2016 · 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 | 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 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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