2011 1st Ave, Walnut Creek, CA 94597 Property Records

Contra Costa County property record for 2011 1st Ave, Walnut Creek, CA 94597

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,125 sqft · built 1951
Lot Size0.32 acres (13,939 sqft)
OwnerIndividual Name on Record
Tax Bill$4,377 (2025)
Flood ZoneZone X (minimal risk)
APN171-020-035-1

Property Details

APN / Parcel Number

Primary APN171-020-035-1
Alternative APN
  • 171-020-035

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms9 Rooms
Stories1 Story
Building Area2,125 sqft Living Area
1st Floor Area2,125 sqft

Exterior

Year BuiltBuilt 1951
Effective Year BuiltEffective 1976
Lot Area13,939 sqft (0.32 acres)
Lot Dimensions217 ft deep x 67 ft wide
Garage TypeAttached
Garage Area250 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address2011 1ST AVE
CityWALNUT CREEK
StateCA
Zip94597-2433
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10
Legal DescriptionLARKEY RANCH SUBN #2 POR LOT 60
Legal SubdivisionLARKEY RANCH SUB
Legal Lot Number60
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1000
Census Tract340003

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 RecordIndividual Name on Record
Mailing Address2011 1ST AVE, WALNUT CREEK, CA 94597-2433
OccupancyOwner Occupied
Owner TypeIndividual
VestingSingle Person

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateNov 10, 2016
Transfer Doc0000278734
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityWalnut Creek City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$322,904 (+2%) Land $160,275 Building $162,629
2025$4,377.00 (+4.41%)$316,574 (+4.04%) Land $157,133 Building $159,441
2023$4,192.00 (+0.87%)$304,282 Land $151,032 Building $153,250
2022$4,156.00

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
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies2 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 RiskLow
lower than 99.8% of the US · lower than 99.8% of California
Wildfire LikelihoodUnder 0.01% 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 490 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Astound Broadband
Cable
1,500 / 50
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20

May also be available: T-Mobile.

Nearby Properties on 1st Ave

Nearby Streets

Search Property Records by Address or Parcel Number