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4173 Hidden Valley Rd, Lafayette, CA 94549 Property Records

Contra Costa County property record for 4173 Hidden Valley Rd, Lafayette, CA 94549

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,912 sqft · built 1975
Lot Size0.39 acres (17,000 sqft)
Owner2 Individual Names on Record
Last Sale$560,000 (Jul 2001)
Tax Bill$11,103 (2025)
Deeds & MortgagesJun 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN251-020-028-6

Property Details

APN / Parcel Number

Primary APN251-020-028-6
Alternative APN
  • 251-020-028

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area1,912 sqft Living Area
1st Floor Area1,912 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1975
Effective Year BuiltEffective 1976
Lot Area17,000 sqft (0.39 acres)
Garage TypeAttached
Garage Area484 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Street Address4173 HIDDEN VALLEY RD
CityLAFAYETTE
StateCA
Zip94549-3347
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10
Legal DescriptionPARCEL MAP 36 PG 18 PCL A
Legal Tract36PM18
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1001
Census Tract353002

Owner

Source: Contra Costa County records, 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 Record
Mailing Address4173 HIDDEN VALLEY RD, LAFAYETTE, CA 94549-3347
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 23, 2001 · Amount on Record
Deed SaleJul 23, 2001 · Amount on Record
Deed Document Number2001209996
Last Transfer DateJun 12, 2020
Transfer Doc0000119162
Record UpdatedOct 29, 2026

June 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJun 19, 2020
Property Address4173 HIDDEN VALLEY RD, LAFAYETTE, CA 94549-3347
Document Number0000119162
Instrument DateJun 12, 2020
Instrument119162
Transaction TypeTransfer
Record UpdatedJun 26, 2020
Title CompanyFIDELITY NATIONAL TITLE, FIDELITY TITLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address4173 HIDDEN VALLEY RD LAFAYETTE CA 945493347, LAFAYETTE, CA 94549-3347

Mortgage

Document Number119163
DateJun 19, 2020
Instrument119163
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
AmountAmount Recorded
Term360 Months
DueJun 18, 2050

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityLafayette City
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictLafayette Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$849,085 (+2%) Land $547,725 Building $301,360
2025$11,103.00 (+3.67%) Homeowner's exemption$832,437 (+4.04%) Land $536,986 Building $295,451
2023$10,710.00 (+1.57%) Homeowner's exemption$800,114 Land $516,135 Building $283,979
2022$10,544.00

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
Nearby Flood Policies3 in force
Nearby Flood Claims10 (1978–2001)
Claims Outside the SFHA7 of 10
Most Recent ClaimMar 2001 · rainfall accumulation
Claims by Event
  • Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 2 claims
  • Severe Winter Storms, Flooding, Landslides, Mud Flows, Jan 1995 · 2 claims
  • Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 2 claims

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 RiskLow
lower than 94% of the US · lower than 96% of California
Wildfire Likelihood0.02% annual chance
ExposureNone
beyond 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 180 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25

May also be available: AT&T, Etheric Networks, Verizon.

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