Marin County property record for 230 Blackstone Dr, San Rafael, CA 94903
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,848 sqft · built 1955 |
| Lot Size | 0.222 acres (9,662 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $925,000 (Jan 2019) |
| Tax Bill | $15,621 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage Aug 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 164-221-38 |
| Primary APN | 164-221-38 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,848 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 9,662 sqft (0.222 acres) |
| Deck Area | 150 sqft |
| Patio Area | 150 sqft |
| Heating System | Central |
|---|
| Street Address | 230 BLACKSTONE DR |
|---|---|
| City | SAN RAFAEL |
| State | CA |
| Zip | 94903-1508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Subdivision | MARINWOOD 01-F |
| Legal Lot Number | 125 |
| Jurisdiction | MARIN CA |
| Township / Civil Division | SAN RAFAEL |
| Census Block Group | 5 |
| Census Block | 5000 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Sep 23, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Aug 27, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jan 11, 2019 | Grant Deed, Transfer · Conventional Mortgage STEARNS LENDING LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 11, 2019 · Amount on Record |
| Deed Sale | Jan 11, 2019 · Amount on Record |
| Prior Sale | Oct 31, 2013 · Amount on Record |
| Deed Document Number | 20191011 |
| Prior Transfer Date | Jan 12, 2009 |
| Prior Transfer Doc | 0000003968 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|---|
| Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Document Number | 0000044852 |
|---|---|
| Date | Sep 23, 2020 |
| Instrument | 2020-0044852 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MARIN CA |
| Property Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CALATLANTIC TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000030785 |
|---|---|
| Date | Aug 27, 2019 |
| Instrument | 2019-0030785 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | MARIN CA |
| Recording Date | Jan 11, 2019 |
| Property Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Document Number | 0000001011 |
| Map Reference | VOL 8 PG 76 |
| Instrument Date | Jan 3, 2019 |
| Instrument | 2019-0001011 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2021 |
| Title Company | FIRST AMERICAN TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 230 BLACKSTONE DR, SAN RAFAEL, CA 94903-1508 |
| Document Number | 0000001012 |
|---|---|
| Date | Jan 11, 2019 |
| Instrument | 2019-0001012 |
| Name | STEARNS LENDING LLC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2049 |
| Document Number | 0000001013 |
|---|---|
| Date | Jan 11, 2019 |
| Instrument | 2019-0001013 |
| Name | TCF NATIONAL BANK |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57106 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 23, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $1,052,473 (+2%) Land $614,417 Building $438,056 | |
| 2025 | $15,621.00 (+3.65%) | $1,031,837 (+4.04%) Land $602,370 Building $429,467 |
| 2023 | $15,071.00 (+4.24%) | $991,775 Land $578,982 Building $412,793 |
| 2022 | $14,458.00 |
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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