508 4th St, San Rafael, CA 94901 Property Records

Marin County property record for 508 4th St, San Rafael, CA 94901

Property Summary

Property TypeCommercial
Details4,536 sqft · built 1956
Lot Size0.243 acres (10,600 sqft)
OwnerCompany Name on File
Tax Bill$10,977 (2025)
Flood ZoneZone X (moderate risk)
APN014-086-22

Property Details

APN / Parcel Number

Primary APN014-086-22

Interior

Units2 Units
Building Area4,536 sqft Gross Area

Exterior

Year BuiltBuilt 1956
Effective Year BuiltEffective 1985
Lot Area10,600 sqft (0.243 acres)

Location & Zoning

Street Address508 4TH ST
CitySAN RAFAEL
StateCA
Zip94901-3368
Property CategoryCommercial
Property TypeCommercial > Retail
Legal DescriptionMAP 1 PG 29 BLK 55
Legal SubdivisionCOLEMAN
Legal Block55
JurisdictionMARIN CA
Township / Civil DivisionSAN RAFAEL
Census Block Group4
Census Block4005
Census Tract110100

Owner

508 4th St, a commercial property, is owned by a company.

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

Owner of RecordCompany Name on File
Mailing Address1140 LEA DR, NOVATO, CA 94945-3306
Owner TypeCompany
VestingCompany

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

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 508 4th St was $10,977.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyMarin County
MunicipalitySan Rafael City
Elementary School DistrictSan Rafael City Elementary School District (KG - 08)
Secondary School DistrictSan Rafael City High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$351,757 (+2%) Land $149,634 Building $202,123
2025$10,977.00$344,860 Land $146,700 Building $198,160
2023$9,528.00 (+3.04%)$331,470 Land $141,004 Building $190,466
2022$9,247.00

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

Flood

FEMA maps place 508 4th St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 22 individual policies
Nearby Flood Policies24 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

Wildfire risk around 508 4th St is low, with a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemMARIN MUNICIPAL WATER DISTRICT
serves 188,116 people · EPA ID CA2110002
Water SourceSurface water
Last State InspectionAug 2023
LeadUnder 1 ppb (2019–2021)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 201 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
AT&T
DSL · Fiber, Fixed Wireless in parts of the area
100 / 20

May also be available: GeoLinks, Sonic Telecom, T-Mobile, Verizon.

Nearby Properties on 4th St

Nearby Streets

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