21176 Dawe Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 21176 Dawe Ave, Castro Valley, CA 94546

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,115 sqft · built 1948
Lot Size0.125 acres (5,454 sqft)
Owner2 Individual Names on Record
Last Sale$445,000 (Mar 2004)
Tax Bill$8,252 (2025)
Flood ZoneZone X (minimal risk)
APN84A-51-35

Property Details

APN / Parcel Number

Primary APN84A-51-35
Alternative APN
  • 084A-0051-035-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,115 sqft Living Area

Exterior

Year BuiltBuilt 1948
Effective Year BuiltEffective 1948
Architectural StyleL-Shape
Exterior MaterialWood
Construction TypeWood
Roof MaterialComposition Shingle
Lot Area5,454 sqft (0.125 acres)

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address21176 DAWE AVE
CityCASTRO VALLEY
StateCA
Zip94546-5756
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionLOT: 00001 BLK: 0003 TR: 0868
Legal Tract0868
Legal Block3
Legal Lot Number1
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group1
Census Block1018
Census Tract431000

Owner

Source: Alameda County records, as of August 5, 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 Address21176 DAWE AVE, CASTRO VALLEY, CA 94546-5756
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 1, 2004 · Amount on Record
Deed SaleMar 1, 2004 · Amount on Record
Prior SaleJun 11, 1999 · Amount on Record
Deed Document Number200485311
Last Transfer DateApr 8, 2016
Transfer Doc0000098778
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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$638,311 (+0.89%) Land $193,593 Building $451,718
2025$8,252.00 (+4.06%) Homeowner's exemption$632,660 (+4.04%) Land $189,798 Building $442,862
2023$7,930.00 Homeowner's exemption$608,096 Land $182,429 Building $425,667$780,570

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

Flood

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
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 13 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies13 in force
Nearby Flood Claims1 (1993)
Most Recent ClaimJan 1993 · other causes

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 499 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
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: GeoLinks, Unwired.

Nearby Properties on Dawe Ave

Nearby Streets

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