428 Irwin St, San Rafael, CA 94901 Property Records

Marin County property record for 428 Irwin St, San Rafael, CA 94901

Property Summary

Property Type	General Industrial
Details	2 bd · 5,304 sqft · built 1946
Lot Size	0.432 acres (18,830 sqft)
Owner	2 Trust Names on File
Tax Bill	$18,628 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Oct 2021 Mortgage + 5 more
Flood Zone	Zone AE (high risk)
APN	`013-081-10`

Property Details

APN / Parcel Number

Primary APN	`013-081-10`

Interior

Bedrooms	2 Beds
Building Area	5,304 sqft Gross Area

Exterior

Year Built	Built 1946
Effective Year Built	Effective 1946
Lot Area	18,830 sqft (0.432 acres)

Location & Zoning

Street Address	428 IRWIN ST
City	SAN RAFAEL
State	CA
Zip	94901-5113
Property Category	Industrial
Property Type	Industrial > General Industrial
Legal Description	/B345P455 OR
Jurisdiction	MARIN CA
Township / Civil Division	SAN RAFAEL
Census Block Group	1
Census Block	1008
Census Tract	112100

Owner

428 Irwin St, an industrial property, is held in a trust since December 2018.

Source: Marin County records, as of July 13, 2026

Owner of Record	2 Trust Names on File
Mailing Address	52 DRIFTWOOD CT, SAN RAFAEL, CA 94901-1425
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Oct 28, 2021	Deed of Trust, Mortgage · Commercial Mortgage REDWOOD CU
Oct 28, 2021	Deed of Trust, Mortgage · Commercial Mortgage REDWOOD CU
Dec 16, 2019	Deed of Trust, Mortgage GRANDCHILDREN'S P L H T (PT)
Jan 30, 2019	Correction Deed, Transfer ATTORNEY ONLY
Sep 15, 2017	Deed of Trust, Mortgage LORI LANE HOUNDS LLC
Sep 1, 2017	Deed of Trust, Mortgage DMRMCO LLC
Sep 1, 2017	Deed of Trust, Mortgage

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Dec 20, 2018
Transfer Doc	0000002781
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Transaction Type	Mortgage
Record Updated	Nov 8, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	52 DRIFTWOOD CT, SAN RAFAEL, CA 94901-1425

Mortgage

Document Number	0000065544
Date	Oct 28, 2021
Instrument	2021-0065544

Lender

Name	REDWOOD CU
Type	Credit Union
Address	SANTA ROSA, CA 95403

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Transaction Type	Mortgage
Record Updated	Nov 8, 2021
Title Company	CAL LAND TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	52 DRIFTWOOD CT, SAN RAFAEL, CA 94901-1425

Mortgage

Document Number	0000065547
Date	Oct 28, 2021
Instrument	2021-0065547

Lender

Name	REDWOOD CU
Type	Credit Union
Address	SANTA ROSA, CA 95403

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

December 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Document Number	0000048778
Instrument Date	Dec 16, 2019
Transaction Type	Mortgage
Record Updated	Jan 7, 2020
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	52 DRIFTWOOD CT SAN RAFAEL CA 949011425, SAN RAFAEL, CA 94901-1425

Mortgage

Document Number	0000048778
Date	Dec 23, 2019
Instrument	48778

Lender

Name	GRANDCHILDREN'S P L H T (PT)
Address	1555 GRANT AVE, NOVATO, CA 94945-3120

Agreement

Amount	Amount on Record
Term	60 Months
Due	Dec 22, 2024

January 2019: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	MARIN CA
Recording Date	Jan 30, 2019
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Document Number	0000002781
Instrument Date	Dec 20, 2018
Instrument	2781
Transaction Type	Transfer
Record Updated	Feb 27, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Document Number	0000002857
Instrument Date	Sep 15, 2017
Transaction Type	Mortgage
Record Updated	Feb 15, 2019

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	52 DRIFTWOOD CT SAN RAFAEL CA 949011425, SAN RAFAEL, CA 94901-1425

Mortgage

Document Number	0000002857
Date	Jan 31, 2019
Instrument	2857

Lender

Name	LORI LANE HOUNDS LLC

Agreement

Amount	Amount on Record

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Document Number	0000001253
Instrument Date	Sep 1, 2017
Transaction Type	Mortgage
Record Updated	Feb 1, 2018
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	52 DRIFTWOOD CT SAN RAFAEL CA 949011425, SAN RAFAEL, CA 94901-1425

Mortgage

Document Number	0000001253
Date	Jan 17, 2018
Instrument	1253

Lender

Name	DMRMCO LLC

Agreement

Amount	Amount on Record

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MARIN CA
Property Address	428 IRWIN ST, SAN RAFAEL, CA 94901-5113
Document Number	0000035544
Instrument Date	Sep 1, 2017
Transaction Type	Mortgage
Record Updated	Mar 13, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	52 DRIFTWOOD CT SAN RAFAEL CA 949011425, SAN RAFAEL, CA 94901-1425

Tax Assessment & Valuation

The 2025 property tax bill for 428 Irwin St was $18,628.

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		$1,219,691 (+2%) Land $744,950 Building $474,741
2025	$18,628.00	$1,195,778 Land $730,345 Building $465,433
2023	$17,215.00 (+5.48%)	$1,149,349 Land $701,987 Building $447,362
2022	$16,321.00

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

Flood

FEMA maps place 428 Irwin St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

Source: FEMA National Flood Hazard Layer, effective October 18, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	10.0 ft
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 51 policies
Nearby Flood Policies	51 in force
Nearby Flood Claims	91 (1979–2022)
Claims Outside the SFHA	2 of 91
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 12 claims Severe Storms & Flooding, Feb 1986 · 20 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 18 claims

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

Wildfire risk around 428 Irwin St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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 524 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL in parts of the area	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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