520 4th St, San Rafael, CA 94901 Property Records

Marin County property record for 520 4th St, San Rafael, CA 94901

Property Summary

Property Type	Commercial
Details	2,850 sqft · built 1955
Lot Size	0.097 acres (4,240 sqft)
Owner	2 Company Names on Record
Tax Bill	$8,915 (2025)
Deeds & Mortgages	Sep 2026 Sale Sep 2026 Sale + 5 more
Flood Zone	Zone X (moderate risk)
APN	`014-086-16`

Property Details

APN / Parcel Number

Primary APN	`014-086-16`

Interior

Building Area	2,850 sqft Gross Area

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Lot Area	4,240 sqft (0.097 acres)

Location & Zoning

Street Address	520 4TH ST
City	SAN RAFAEL
State	CA
Zip	94901-3315
Property Category	Commercial
Property Type	Commercial > Retail
Legal Subdivision	VALLEY VIEW
Jurisdiction	MARIN CA
Township / Civil Division	SAN RAFAEL
Census Block Group	4
Census Block	4005
Census Tract	110100

Owner

Source: Marin County records, as of October 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	40 SAN MARIN DR, NOVATO, CA 94945-1129
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Sep 24, 2026	Deed, Transfer NONE LISTED ON DOCUMENT
Sep 24, 2026	Deed, Transfer NONE LISTED ON DOCUMENT
Jul 23, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Jul 1, 2026	Grant Deed, Transfer NONE LISTED ON DOCUMENT
Jul 1, 2026	Affidavit of Death of Trustee, Transfer
Jun 10, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Nov 14, 2017	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jun 24, 2026
Transfer Doc	0000019136
Record Updated	Oct 29, 2026

September 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	MARIN CA
Recording Date	Sep 24, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000027488
Instrument Date	Sep 22, 2026
Instrument	202627488
Transaction Type	Transfer
Record Updated	Oct 6, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

September 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	MARIN CA
Recording Date	Sep 24, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000027489
Instrument Date	Sep 22, 2026
Instrument	202627489
Transaction Type	Transfer
Record Updated	Oct 6, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 23, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000021351
Instrument Date	Jul 16, 2026
Instrument	202621351
Transaction Type	Transfer
Record Updated	Aug 3, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Limited Liability Partnership
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MARIN CA
Recording Date	Jul 1, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000019137
Instrument Date	Jun 30, 2026
Instrument	202619137
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length Percentage Unclear

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

July 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	MARIN CA
Recording Date	Jul 1, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000019136
Instrument Date	Jun 24, 2026
Instrument	202619136
Transaction Type	Transfer
Record Updated	Aug 30, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

June 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MARIN CA
Recording Date	Jun 10, 2026
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000017081
Instrument Date	May 19, 2026
Instrument	202617081
Transaction Type	Transfer
Record Updated	Aug 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Trust
Address	40 SAN MARIN DR, NOVATO, CA 94945-1129

November 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	MARIN CA
Recording Date	Nov 14, 2017
Property Address	520 4TH ST, SAN RAFAEL, CA 94901-3315
Document Number	0000045241
Instrument Date	Nov 6, 2017
Instrument	45241
Transaction Type	Transfer
Record Updated	Nov 30, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	128 SOLANO ST SAN RAFAEL CA 949011042, SAN RAFAEL, CA 94901-1042

Tax Assessment & Valuation

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

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$495,784 (+2%) Land $273,554 Building $222,230
2025	$8,915.00 (+9.74%)	$486,065 (+4.04%) Land $268,192 Building $217,873
2023	$8,124.00 (+4.87%)	$467,192 Land $257,778 Building $209,414
2022	$7,747.00

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 · 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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 22 individual policies
Nearby Flood Policies	24 units insured incl. 2 condo units

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.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

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 515 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Sonic Telecom.

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