5927 Lassen St, El Cerrito, CA 94530 Property Records

Contra Costa County property record for 5927 Lassen St, El Cerrito, CA 94530

Property Summary

Property TypeSingle Family Home
Details2 bd · 1.5 ba · 1,710 sqft · built 1946
Lot Size0.069 acres (3,000 sqft)
Owner2 Individual Names on File
Last Sale$832,500 (Jun 2024)
Tax Bill$12,102 (2025)
Flood ZoneZone AE (high risk)
APN510-028-011-3

Property Details

APN / Parcel Number

Primary APN510-028-011-3
Alternative APN
  • 510-028-011

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,710 sqft Living Area
1st Floor Area1,349 sqft
Basement Area361 sqft

Exterior

Year BuiltBuilt 1946
Effective Year BuiltEffective 1946
Lot Area3,000 sqft (0.069 acres)
Garage TypeAttached
Garage Area329 sqft
Parking Spaces1 Parking Space

Location & Zoning

Street Address5927 LASSEN ST
CityEL CERRITO
StateCA
Zip94530-3912
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR3
Legal DescriptionRICH ANNEX ADDN LOT 21 BLK 116
Legal SubdivisionRICH ANNEX ADD
Legal Block116
Legal Lot Number21
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group2
Census Block2008
Census Tract389200

Owner

5927 Lassen St is owned by two individuals who bought it in June 2024.

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

Owner of Record2 Individual Names on File
Mailing Address6100 BARRETT AVE, EL CERRITO, CA 94530-1520
Owner TypeIndividual
VestingCommunity Property

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 Names2 Names on Deed
Last SaleJun 11, 2024 · Amount on File
Deed SaleJun 11, 2024 · Amount on File
Deed Document Number202454822
Prior Transfer DateMay 4, 2016
Prior Transfer Doc0000088109
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 5927 Lassen St was $12,102.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$866,133 (+2%) Land $652,851 Building $213,282
2025$12,102.00$849,150 Land $640,050 Building $209,100
2023$1,926.00 (+3.44%)$59,457 Land $19,849 Building $39,608
2022$1,862.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 5927 Lassen 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 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 29 policies
Nearby Flood Policies29 in force
Nearby Flood Claims16 (1982–2026)
Most Recent ClaimJan 2026 · river or lake flooding

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

The area around 5927 Lassen St has no burnable land within ember reach, so its wildfire risk is not rated.

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

ProviderMax 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
T-Mobile
Fixed Wireless
100 / 20

May also be available: Etheric Networks, GeoLinks.

Nearby Properties on Lassen St

Nearby Streets

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