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40 Crest Ave, Alamo, CA 94507 Property Records

Contra Costa County property record for 40 Crest Ave, Alamo, CA 94507

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,696 sqft · built 1985
Lot Size0.484 acres (21,083 sqft)
Owner2 Trust Names on File
Last Sale$1,690,000 (Aug 2022)
Tax Bill$20,383 (2025)
Deeds & MortgagesAug 2022 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN188-232-013-6

Property Details

APN / Parcel Number

Primary APN188-232-013-6
Alternative APN
  • 188-232-013

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area2,696 sqft Living Area
1st Floor Area1,522 sqft
2nd Floor Area1,174 sqft

Exterior

Year BuiltBuilt 1985
Effective Year BuiltEffective 1999
Lot Area21,083 sqft (0.484 acres)
Garage TypeAttached
Garage Area484 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address40 CREST AVE
CityALAMO
StateCA
Zip94507-2648
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20
Legal DescriptionWALNUT CREEK PARK POR LOT 29
Legal SubdivisionWALNUT CRK PARK
Legal Lot Number29
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1003
Census Tract334200

Owner

40 Crest Ave is owner-occupied and held in a trust since August 2022.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Trust Names on File
Mailing Address40 CREST AVE, ALAMO, CA 94507-2648
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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 29, 2022 · Amount on File
Deed SaleAug 29, 2022 · Amount on File
Deed Document Number2022132794
Prior Transfer DateSep 14, 2001
Prior Transfer Doc0000289097
Record UpdatedOct 29, 2026

August 2022: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 29, 2022
Property Address40 CREST AVE, ALAMO, CA 94507-2648
Document Number0000132794
Map ReferenceMB 4 PG 84
Instrument DateAug 18, 2022
Instrument2022-132794
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address40 CREST AVE, ALAMO, CA 94507-2648
InvestorPossibly a Property Investor

Mortgage

Document Number0000132795
DateAug 29, 2022
Instrument2022-132795
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2052

Tax Assessment & Valuation

The 2025 property tax bill for 40 Crest Ave was $20,383 with a homeowner's exemption.

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
Secondary School DistrictAcalanes Union High School District (09 - 12)
Elementary School DistrictWalnut Creek Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,793,441 (+2%) Land $1,061,208 Building $732,233
2025$20,383.00 Homeowner's exemption$1,758,276 Land $1,040,400 Building $717,876
2023$19,633.00 (+240.5%) Homeowner's exemption$1,690,000 Land $1,000,000 Building $690,000
2022$5,766.00

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

Flood

FEMA maps place 40 Crest Ave in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1982.

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
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 6 (20% premium discount)
Nearby Flood Policies6 in force
Nearby Flood Claims6 (1982–2000)
Claims Outside the SFHA3 of 6
Most Recent ClaimFeb 2000 · tidal / storm surge

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

Wildfire risk around 40 Crest Ave is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 66% of the US · lower than 80% of California
Wildfire Likelihood0.02% 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 316 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Cable		1,500 / 50
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: Sonic Telecom, T-Mobile.

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