21000 Baker Rd, Castro Valley, CA 94546 Property Records

Alameda County property record for 21000 Baker Rd, Castro Valley, CA 94546

Property Summary

Property TypeMulti-Family Dwellings
Details20 bd · 20 ba · 17,428 sqft · built 1968
Lot Size0.989 acres (43,082 sqft)
OwnerCompany Name on File
Last Sale$1,575,000 (May 1999)
Tax Bill$43,913 (2025)
Deeds & MortgagesJul 2020 Transfer
Flood ZoneZone X (minimal risk)
APN84A-17-28-23

Property Details

APN / Parcel Number

Primary APN84A-17-28-23
Alternative APN
  • 084A-0017-028-23

Interior

Bedrooms20 Beds
Full Baths20 Baths
Total Rooms69 Rooms
Units21 Units
Stories2 Stories
Building Area17,428 sqft Living Area

Exterior

Year BuiltBuilt 1968
Effective Year BuiltEffective 1968
Exterior MaterialStucco
Construction TypeWood
Roof TypeGable
Roof MaterialComposition Shingle
Lot Area43,082 sqft (0.989 acres)
Garage TypeCarport
Garage Area4,400 sqft
CarportCarport
Carport Area4,400 sqft

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address21000 BAKER RD
CityCASTRO VALLEY
StateCA
Zip94546-5740
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOT: 00023 BLK: 0028 AR: 084A PAGE: 0017
Legal SubdivisionBAKER VISTA
Legal Lot Number17
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group2
Census Block2009
Census Tract431000

Owner

21000 Baker Rd, a residential property, is owned by a company that bought it in May 1999.

Source: Alameda County records, as of September 1, 2026

Owner of RecordCompany Name on File
Mailing AddressPO BOX 2466, CASTRO VALLEY, CA 94546-0466
Owner TypeCompany

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
Last SaleMay 14, 1999 · Amount on File
Deed SaleMay 14, 1999 · Amount on File
Deed Document Number1999186734
Prior Transfer DateApr 14, 1994
Prior Transfer Doc0000165198
Record UpdatedOct 29, 2026

July 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateJul 28, 2020
Property Address21000 BAKER RD, CASTRO VALLEY, CA 94546-5740
Document Number0000179417
Instrument DateMay 18, 2020
Instrument179417
Transaction TypeTransfer
Record UpdatedSep 16, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address116 RATTO RD ALAMEDA CA 945027956, ALAMEDA, CA 94502-7956

Tax Assessment & Valuation

The 2025 property tax bill for 21000 Baker Rd was $43,913, up 3.1% from the year before.

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 Value
2026$2,501,587 (+2%) Land $756,312 Building $1,745,275
2025$43,913.00 (+3.1%)$2,452,541 Land $741,484 Building $1,711,057
2024$42,592.00 (+2.87%)
2023$41,405.00$2,357,325 Land $712,697 Building $1,644,628

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

Flood

FEMA maps place 21000 Baker Rd in Zone X, an area of minimal flood risk, within 500 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 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 10 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies10 in force
Nearby Flood Claims2 (2023–2025)
Most Recent ClaimDec 2025 · rainfall accumulation

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 21000 Baker Rd 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 459 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
Etheric Networks
Fixed Wireless
250 / 100

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

Nearby Properties on Baker Rd

Nearby Streets

Search Property Records by Address or Parcel Number