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185 Summit Rd, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 185 Summit Rd, Walnut Creek, CA 94598 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,255 sqft · built 1953
Lot Size1.22 acres (53,578 sqft)
Owner2 Individual Names on File
Last Sale$885,000 (Mar 2005)
Tax Bill$14,748 (2025)
Deeds & MortgagesSep 2021 Transfer
Flood ZoneZone X (minimal risk)
APN179-100-027-4

Property Details

APN / Parcel Number

Primary APN179-100-027-4
Alternative APN
  • 179-100-027

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms6 Rooms
Stories1 Story
Building Area1,255 sqft Living Area
1st Floor Area1,255 sqft

Exterior

Year BuiltBuilt 1953
Effective Year BuiltEffective 1953
Lot Area53,578 sqft
Garage TypeAttached
Garage Area400 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address185 SUMMIT RD
CityWALNUT CREEK
StateCA
Zip94598-4746
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionWALNUT HGTS POR LOT 1 BLK 3
Legal SubdivisionRANCHO SAN MIGUEL
Legal Block3
Legal Lot Number1
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3002
Census Tract343002

Owner

Source: Contra Costa County records · APN 179-100-027-4

Assessment roll updated July 14, 2026 · Last verified July 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 Address2171 HILLVIEW DR, WALNUT CREEK, CA 94596-5721
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 15, 2005 · Amount on Record
Deed SaleMar 15, 2005 · Amount on Record
Deed Document Number200586828
Last Transfer DateAug 09, 2021
Transfer Doc0000249499
Record UpdatedSep 20, 2026

September 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateSep 07, 2021
Property Address185 SUMMIT RD, WALNUT CREEK, CA 94598-4746
Document Number0000249499
Instrument DateAug 09, 2021
Instrument2021-249499
Transaction TypeTransfer
Record UpdatedNov 03, 2022

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address185 SUMMIT RD, WALNUT CREEK, CA 94598-4746

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$1,260,911 (+2%) Land $1,066,338 Building $194,573
2025$14,748.00 (+3.83%)$1,236,188 (+4.04%) Land $1,045,430 Building $190,758
2023$14,204.00 (+2.25%)$1,188,187 Land $1,004,836 Building $183,351
2022$13,892.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133430023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskLow
above 37% of the US · above 22% of California
Wildfire LikelihoodAbout 1 in 1,923 per year
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 480 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Sonic TelecomFiber10,000 / 10,000
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
Radiate HoldingsCable1,500 / 50
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

May also be available at this address: Etheric Communications, LLC., Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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