19634 Mount Jasper Dr, Castro Valley, CA 94552 Property Records

Alameda County property record for 19634 Mount Jasper Dr, Castro Valley, CA 94552

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,696 sqft · built 1988
Lot Size0.116 acres (5,050 sqft)
Owner2 Individual Names on File
Last Sale$525,000 (May 2002)
Tax Bill$9,938 (2025)
Flood ZoneZone X (minimal risk)
APN85A-6408-111

Property Details

APN / Parcel Number

Primary APN85A-6408-111
Alternative APN
  • 085A-6408-111-00

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,696 sqft Living Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1988
Effective Year BuiltEffective 1988
Architectural StyleL-Shape
Exterior MaterialStucco
Construction TypeWood
Roof MaterialTile
Lot Area5,050 sqft (0.116 acres)

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address19634 MOUNT JASPER DR
CityCASTRO VALLEY
StateCA
Zip94552-1902
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionLOT: 00028 BLK: TR: 5500
Legal Tract5500
Legal Lot Number28
JurisdictionALAMEDA CA
Township / Civil DivisionHAYWARD
Census Block Group2
Census Block2006
Census Tract430101

Owner

19634 Mount Jasper Dr is owned and occupied by two individuals who acquired it in March 2015.

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

Owner of Record2 Individual Names on File
Mailing Address19634 MOUNT JASPER DR, CASTRO VALLEY, CA 94552-1902
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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 SaleMay 29, 2002 · Amount on File
Deed SaleMay 29, 2002 · Amount on File
Prior SaleMay 5, 2000 · Amount on File
Deed Document Number2002235759
Last Transfer DateMar 18, 2015
Transfer Doc0000077927
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 19634 Mount Jasper Dr was $9,938 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$784,037 (+1.1%) Land $237,311 Building $553,726
2025$9,938.00 Homeowner's exemption$775,530 Land $232,659 Building $542,871
2023$9,561.00 Homeowner's exemption$745,420 Land $223,626 Building $521,794$1,076,130

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

Flood

FEMA maps place 19634 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 19634 Mount Jasper Dr is moderate, ranking above 67% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire RiskModerate
above 67% of the US · above 42% of California
Wildfire Likelihood0.3% 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 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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