10 Hidden Valley Pl, Alamo, CA 94507 Property Records

Contra Costa County property record for 10 Hidden Valley Pl, Alamo, CA 94507

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,321 sqft · built 1923
Lot Size0.57 acres (24,829 sqft)
Owner2 Individual Names on File
Last Sale$998,000 (Dec 2015)
Tax Bill$13,856 (2025)
Deeds & MortgagesFeb 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN197-270-022-1

Property Details

APN / Parcel Number

Primary APN197-270-022-1
Alternative APN
  • 197-270-022

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,321 sqft Living Area
1st Floor Area1,321 sqft

Exterior

Year BuiltBuilt 1923
Effective Year BuiltEffective 1985
Lot Area24,829 sqft (0.57 acres)
Garage TypeAttached
Garage Area400 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address10 HIDDEN VALLEY PL
CityALAMO
StateCA
Zip94507-2056
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA2
Legal DescriptionRO SAN RAMON POR DIV F STONE RANCH
Legal SubdivisionA W STONE RANCH
Legal Lot NumberF
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract346206

Owner

Source: Contra Costa County assessment roll, as of July 14, 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 File
Mailing Address10 HIDDEN VALLEY PL, ALAMO, CA 94507-2056
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleDec 2, 2015 · Amount on Record
Deed SaleDec 2, 2015 · Amount on Record
Prior SaleApr 4, 2011 · Amount on Record
Deed Document Number2015248965
Last Transfer DateFeb 8, 2022
Transfer Doc0000030686
Record UpdatedSep 20, 2026

February 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateFeb 17, 2022
Property Address10 HIDDEN VALLEY PL, ALAMO, CA 94507-2056
Document Number0000030686
Map ReferenceMB F PG 141
Instrument DateFeb 8, 2022
Instrument2022-030686
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyFIRST AMERICAN TITLE, FIRST AMERICAN TITLE INS CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address10 HIDDEN VALLEY PL, ALAMO, CA 94507-2056

Mortgage

Document Number0000030687
DateFeb 17, 2022
Instrument2022-030687
Lender
NameBANK OF THE WEST
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMar 1, 2052

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Unified School DistrictSan Ramon Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,205,050 (+2%) Land $965,976 Building $239,074
2025$13,856.00 (+3.67%)$1,181,423 (+4.04%) Land $947,036 Building $234,387
2023$13,365.00 (+0.74%)$1,135,549 Land $910,262 Building $225,287
2022$13,267.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 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
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies1 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

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

Wildfire RiskModerate
above 45% of the US · lower than 73% of California
Wildfire Likelihood0.06% annual chance
ExposureNone
beyond ember reach

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 141 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
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: T-Mobile USA.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Hidden Valley Pl

Nearby Streets

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