1975 Mason St, San Pablo, CA 94806 Property Records

Contra Costa County property record for 1975 Mason St, San Pablo, CA 94806

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 1,615 sqft · built 1965
Lot Size0.104 acres (4,536 sqft)
Owner2 Individual Names on Record
Last Sale$239,000 (Sep 2000)
Tax Bill$6,642 (2025)
Flood ZoneZone X (moderate risk)
APN411-180-041-5

Property Details

APN / Parcel Number

Primary APN411-180-041-5
Alternative APN
  • 411-180-041

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,615 sqft Living Area
1st Floor Area1,615 sqft

Exterior

Year BuiltBuilt 1965
Effective Year BuiltEffective 1965
Architectural StyleDuplex Single
Lot Area4,536 sqft (0.104 acres)
Garage TypeAttached
Garage Area651 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address1971 MASON ST, 1975
CitySAN PABLO
StateCA
Zip94806-3613
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning CodeR2
Legal DescriptionRICH PULLMAN PUEBLO POR LOTS 16 & 17 BLK 9
Legal SubdivisionRICHMOND PULLMAN PUEBLO
Legal Block9
Legal Lot Number16,17
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group3
Census Block3001
Census Tract369001

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address1971 MASON ST, SAN PABLO, CA 94806-3613
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 29, 2000 · Amount on Record
Deed SaleSep 29, 2000 · Amount on Record
Prior SaleApr 3, 2000 · Amount on Record
Deed Document Number2000211361
Last Transfer DateAug 24, 2001
Transfer Doc0000255214
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalitySan Pablo City
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$367,310 (+2%) Land $123,444 Building $243,866
2025$6,642.00 (+5.23%) Homeowner's exemption$360,109 (+4.04%) Land $121,024 Building $239,085
2023$6,312.00 (+1.84%) Homeowner's exemption$346,127 Land $116,325 Building $229,802
2022$6,198.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · 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 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 10 policies
Community Rating SystemClass 9 (5% premium discount)
Nearby Flood Policies10 in force
Nearby Flood Claims1 (1982)
Claims Outside the SFHA1 of 1
Most Recent ClaimJan 1982 · Severe Storms, Flood, Mudslides & High Tide

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 RiskNot rated
no burnable land within 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 SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
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 673 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25

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

Nearby Properties on Mason St

Nearby Streets

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