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19043 Mount Jasper Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 19043 Mount Jasper Dr, Castro Valley, CA 94552

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,518 sqft · built 1989
Lot Size0.197 acres (8,600 sqft)
OwnerTrust Name on File
Tax Bill$6,842 (2025)
Deeds & MortgagesJun 2023 Transfer
Dec 2019 Transfer
Flood ZoneZone X (minimal risk)
APN85A-6408-50

Property Details

APN / Parcel Number

Primary APN85A-6408-50
Alternative APN
  • 085A-6408-050-00

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area2,518 sqft Living Area

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Architectural StyleL-Shape
Construction TypeWood
Lot Area8,600 sqft (0.197 acres)

Location & Zoning

Street Address19043 MOUNT JASPER DR
CityCASTRO VALLEY
StateCA
Zip94552-1943
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT: 00053 BLK: TR: 5500
Legal SubdivisionTRACT 5500
Legal Tract5500
Legal Lot Number53
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group2
Census Block2008
Census Tract430101

Owner

19043 Mount Jasper Dr is owner-occupied and held in a trust since June 2023.

Source: Alameda County records, as of August 5, 2026

Owner of RecordTrust Name on File
Mailing Address19043 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1943
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

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

DateDocument
Jun 28, 2023Intrafamily Transfer, Transfer
Dec 30, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateJun 27, 2023
Transfer Doc0000073321
Record UpdatedSep 20, 2026

June 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionALAMEDA CA
Recording DateJun 28, 2023
Property Address19043 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1943
Document Number0000073321
Map ReferenceMB 160 PG 96-100
Instrument DateJun 27, 2023
Instrument2023073321
Transaction TypeTransfer
Record UpdatedJul 27, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address19043 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1943

December 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionALAMEDA CA
Recording DateDec 30, 2019
Property Address19043 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1943
Document Number0000269102
Instrument DateNov 25, 2019
Instrument269102
Transaction TypeTransfer
Record UpdatedFeb 13, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer
  • Partial Interest

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address19043 MOUNT JASPER DR CASTRO VALLEY CA 945521943, CASTRO VALLEY, CA 94552-1943

Tax Assessment & Valuation

The 2025 property tax bill for 19043 Mount Jasper Dr was $6,842 with a homeowner's exemption.

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$516,489 (+0.64%) Land $240,786 Building $282,703
2025$6,842.00 Homeowner's exemption$513,224 Land $236,064 Building $277,160
2023$6,568.00 (+2.08%) Homeowner's exemption$493,298 (+2%) Land $226,899 Building $266,399$1,290,690
2022$6,434.00 Homeowner's exemption$483,626 Land $222,450 Building $261,176

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

Flood

FEMA maps place 19043 Mount Jasper Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 19043 Mount Jasper Dr is moderate, ranking above 63% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire RiskModerate
above 63% of the US · lower than 61% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
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 495 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL		100 / 20

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