429 Blackstone Dr, San Rafael, CA 94903 Property Records

Marin County property record for 429 Blackstone Dr, San Rafael, CA 94903

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,360 sqft · built 1960
Lot Size	0.262 acres (11,424 sqft)
Owner	2 Company Names on Record
Last Sale	$1,375,000 (Aug 2020)
Tax Bill	$20,538 (2025)
Deeds & Mortgages	Jun 2023 Transfer Jun 2021 Line of Credit + 4 more
Flood Zone	Zone X (minimal risk)
APN	`164-352-16`

Property Details

APN / Parcel Number

Primary APN	`164-352-16`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,360 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1995
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	11,424 sqft (0.262 acres)
Garage Area	463 sqft
Parking Spaces	2 Parking Spaces
Deck Area	96 sqft
Patio Area	496 sqft

Utilities, Heating & Cooling

Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	429 BLACKSTONE DR
City	SAN RAFAEL
State	CA
Zip	94903-1301
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	MARINWOOD 07
Legal Lot Number	933
Jurisdiction	MARIN CA
Township / Civil Division	SAN RAFAEL
Census Block Group	1
Census Block	1000
Census Tract	107000

Owner

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 Company Names on Record
Mailing Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Date	Document
Jun 29, 2023	Intrafamily Transfer, Transfer
Jun 9, 2021	Deed of Trust, Mortgage · Line of Credit PATELCO CU
Jan 13, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Aug 6, 2020	Grant Deed, Transfer GUARANTEED RATE
Aug 6, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Apr 12, 2018	Grant Deed, Transfer · Conventional Mortgage OPES ADVISORS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 6, 2020 · Amount on Record
Deed Sale	Aug 6, 2020 · Amount on Record
Prior Sale	Apr 12, 2018 · Amount on Record
Deed Document Number	202035261
Last Transfer Date	Jun 28, 2023
Transfer Doc	0000016375
Record Updated	Sep 20, 2026

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MARIN CA
Recording Date	Jun 29, 2023
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Document Number	0000016375
Map Reference	VOL 10 PG 42
Instrument Date	Jun 28, 2023
Instrument	2023-0016375
Transaction Type	Transfer
Record Updated	Jul 14, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Transaction Type	Mortgage
Record Updated	Jun 23, 2021
Title Company	ACCOMODATION, ACCOMMODATION

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301

Mortgage

Document Number	0000038090
Date	Jun 9, 2021
Instrument	2021-0038090

Lender

Name	PATELCO CU
Type	Credit Union
Address	DUBLIN, CA 94568

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Jul 30, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001405
Date	Jan 13, 2020
Instrument	2020-0001405

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.37%
Type Change Date	Feb 1, 2027
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	5.37%
Index	1-Year LIBOR
Max Rate	8.37%

August 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Aug 6, 2020
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Document Number	0000035261
Instrument Date	May 15, 2020
Instrument	35261
Transaction Type	Transfer
Record Updated	Aug 19, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,513.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	429 BLACKSTONE DR SAN RAFAEL CA 949031301, SAN RAFAEL, CA 94903-1301

Mortgage

Document Number	35262
Date	Aug 6, 2020
Instrument	35262

Lender

Name	GUARANTEED RATE
Address	3940 N RAVENSWOOD AVE, CHICAGO, IL 60613-2420

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Aug 5, 2050

August 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Aug 6, 2020
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Document Number	0000035260
Instrument Date	May 15, 2020
Instrument	35260
Transaction Type	Transfer
Record Updated	Aug 19, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	429 BLACKSTONE DR SAN RAFAEL CA 949031301, SAN RAFAEL, CA 94903-1301

April 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Apr 12, 2018
Property Address	429 BLACKSTONE DR, SAN RAFAEL, CA 94903-1301
Document Number	0000012944
Instrument Date	Apr 5, 2018
Instrument	12944
Transaction Type	Transfer
Record Updated	Apr 20, 2018
Title Company	OLD REPUBLIC TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,094.50
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	429 BLACKSTONE DR SAN RAFAEL CA 949031301, SAN RAFAEL, CA 94903-1301

Mortgage

Document Number	12945
Date	Apr 12, 2018
Instrument	12945

Lender

Name	OPES ADVISORS
Address	TROY, MI 48098

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 11, 2048

Tax Assessment & Valuation

Source: Marin County assessment roll, as of July 13, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,518,082 (+2%) Land $828,045 Building $690,037
2025	$20,538.00 (+3.01%)	$1,488,327 (+4.04%) Land $811,815 Building $676,512
2023	$19,937.00 (+4.13%)	$1,430,550 (+2%) Land $780,300 Building $650,250
2022	$19,146.00	$1,402,500 Land $765,000 Building $637,500

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 59% of the US · lower than 64% of California
Wildfire Likelihood	0.2% 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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.

Nearby Properties on Blackstone Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures