Marin County property record for 613 Blackstone Dr, San Rafael, CA 94903
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4 ba · 4,438 sqft · built 1989 |
| Lot Size | 0.865 acres (37,688 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $21,371 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-540-09 |
| Primary APN | 164-540-09 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 9 Rooms |
| Stories | 3 Stories |
| Building Area | 4,438 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 37,688 sqft (0.865 acres) |
| Garage Area | 740 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | 2,117 sqft |
| Patio Area | 2,117 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 613 BLACKSTONE DR |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94903-1354 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RMP |
| Legal Description | MAP 19 PG 70 LOT 9 |
| Legal Subdivision | LAS CALLINAS RANCH |
| Legal Lot Number | 9 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 107000 |
613 Blackstone Dr is owned and occupied by two individuals who acquired it in March 2009.
Source: Marin County records, as of July 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 613 BLACKSTONE DR, SAN RAFAEL, CA 94903-1354 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Mar 12, 2009 |
| Transfer Doc | 0000014078 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 613 Blackstone Dr was $21,371 with a homeowner's exemption.
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 | $1,454,248 (+2%) Land $422,201 Building $1,032,047 | |
| 2025 | $21,371.00 Homeowner's exemption | $1,425,736 Land $413,923 Building $1,011,813 |
| 2023 | $20,699.00 (+4.18%) Homeowner's exemption | $1,370,377 Land $397,851 Building $972,526 |
| 2022 | $19,869.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 613 Blackstone Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 18, 2023
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 613 Blackstone Dr is moderate, ranking above 67% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 67% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 225 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 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.
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