Marin County property record for 231 Cobblestone Dr, San Rafael, CA 94903
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,838 sqft · built 1955 |
| Lot Size | 0.177 acres (7,700 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $560,000 (Feb 2012) |
| Tax Bill | $11,784 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-223-03 |
| Primary APN | 164-223-03 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,838 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Contemporary |
| Lot Area | 7,700 sqft (0.177 acres) |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 70 sqft |
| Patio Area | 70 sqft |
| Heating System | Central |
|---|
| Street Address | 231 COBBLESTONE DR |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94903-1511 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MAP 8 PG 74 LOT 50 |
| Legal Subdivision | MARINWOOD 01-C |
| Legal Lot Number | 50 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 5 |
| Census Block | 5003 |
| Census Tract | 107000 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 231 COBBLESTONE DR, SAN RAFAEL, CA 94903-1511 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 29, 2012 · Amount on Record |
| Deed Sale | Feb 29, 2012 · Amount on Record |
| Prior Sale | Jun 21, 2005 · Amount on Record |
| Deed Document Number | 201212754 |
| Prior Transfer Date | Feb 23, 2012 |
| Prior Transfer Doc | 0000012755 |
| Record Updated | Oct 29, 2026 |
Source: Marin County assessment roll, as of July 13, 2026
| Type | Name |
|---|---|
| State | California |
| County | Marin County |
| Elementary School District | Dixie Elementary School District (KG - 08) |
| Secondary School District | San Rafael City High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $714,853 (+2%) Land $384,330 Building $330,523 | |
| 2025 | $11,784.00 (+4.49%) Homeowner's exemption | $700,842 (+4.04%) Land $376,797 Building $324,045 |
| 2023 | $11,278.00 (+4.39%) Homeowner's exemption | $673,634 Land $362,169 Building $311,465 |
| 2022 | $10,804.00 |
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 12 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 12 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2017 · 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 | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 343 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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