5939 E Castro Valley Blvd, Castro Valley, CA 94552 Property Records

Alameda County property record for 5939 E Castro Valley Blvd, Castro Valley, CA 94552

Property Summary

Property TypeRecreational Vacant Land
Details3 bd · 1 ba · 1,390 sqft · built 1900
Lot Size1.75 acres (76,230 sqft)
Owner2 Trust Names on File
Last Sale$350,000 (Aug 2024)
Tax Bill$4,189 (2025)
Flood ZoneZone X (minimal risk)
APN85A-550-6

Property Details

APN / Parcel Number

Primary APN85A-550-6
Alternative APN
  • 085A-0550-006-00

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area1,390 sqft Living Area

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1920
Architectural StyleCustom Design
Construction TypeWood
Lot Area76,230 sqft

Location & Zoning

Street Address5939 E CASTRO VALLEY BLVD
CityCASTRO VALLEY
StateCA
Zip94552-9707
Property CategoryPublic Works
Property TypePublic Works > Recreational Vacant Land
Legal DescriptionLOT: 00006 BLK: AR: 085A PAGE: 0550
Legal SubdivisionSAN LORENZO RHO
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group3
Census Block3000
Census Tract435103

Owner

5939 E Castro Valley Blvd, recreational vacant land, is held in a trust since August 2024.

Source: Alameda County records, as of August 26, 2026

Owner of Record2 Trust Names on File
Mailing Address5939 E CASTRO VALLEY BLVD, CASTRO VALLEY, CA 94552-9707
Owner TypeCompany
VestingTrust, Revocable 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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 22, 2024 · Amount on File
Deed SaleAug 22, 2024 · Amount on File
Prior SaleDec 29, 2015 · Amount on File
Deed Document Number2024102870
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 5939 E Castro Valley Blvd was $4,189.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyAlameda County
Unified School DistrictCastro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$357,000 (+2%) Land $350,880 Building $6,120
2025$4,189.00$350,000 Land $344,000 Building $6,000
2023$4,431.00$352,720 Land $318,586 Building $34,134$595,080

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 5939 E Castro Valley Blvd in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies4 in force

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 5939 E Castro Valley Blvd is high, ranking above 79% of the US, with a 0.5% annual chance of wildfire.

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

Wildfire RiskHigh
above 79% of the US · above 57% of California
Wildfire Likelihood0.5% annual chance
ExposureDirect
burnable vegetation

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

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 250
Starlink
Satellite
280 / 30

May also be available: Etheric Networks, T-Mobile, Unwired.

Nearby Properties on E Castro Valley Blvd

Nearby Streets

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