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520 Dover Dr, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 520 Dover Dr, Walnut Creek, CA 94598

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,207 sqft · built 1963
Lot Size0.316 acres (13,750 sqft)
OwnerCompany Name on Record
Last Sale$630,000 (Jan 2012)
Tax Bill$9,545 (2025)
Deeds & MortgagesAug 2017 Mortgage
Jan 2019 Transfer
Flood ZoneZone X (minimal risk)
APN142-192-005-7

Property Details

APN / Parcel Number

Primary APN142-192-005-7
Alternative APN
  • 142-192-005

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories1 Story
Building Area2,207 sqft Living Area
1st Floor Area2,207 sqft

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1975
Lot Area13,750 sqft (0.316 acres)
Garage TypeAttached
Garage Area480 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address520 DOVER DR
CityWALNUT CREEK
StateCA
Zip94598-3729
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR10
Legal DescriptionTRACT 3090 26
Legal SubdivisionSUBDIVISION 3090
Legal Tract3090
Legal Lot Number26
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2012
Census Tract338301

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 RecordCompany Name on Record
Mailing Address520 DOVER DR, WALNUT CREEK, CA 94598-3729
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Aug 9, 2017Deed of Trust, Mortgage · Conventional Mortgage
AMERICAN PACIFIC MORTGAGE
Jan 30, 2019Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJan 11, 2012 · Amount on Record
Deed SaleJan 11, 2012 · Amount on Record
Deed Document Number20125986
Last Transfer DateJan 25, 2019
Transfer Doc0000012702
Record UpdatedOct 29, 2026

August 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address520 DOVER DR, WALNUT CREEK, CA 94598-3729
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyOLD REPUBLIC TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000143004
DateAug 9, 2017
Instrument2017-143004
Lender
NameAMERICAN PACIFIC MORTGAGE
TypeMortgage Company
AddressROSEVILLE, CA 95661
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term180 Months
DueAug 1, 2032

January 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateJan 30, 2019
Property Address520 DOVER DR, WALNUT CREEK, CA 94598-3729
Document Number0000012702
Instrument DateJan 25, 2019
Instrument12702
Transaction TypeTransfer
Record UpdatedFeb 8, 2019
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address20 DOVER DR WALNUT CREEK CA 94598, WALNUT CREEK, CA 94598

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$807,126 (+2%) Land $704,639 Building $102,487
2025$9,545.00 (+4.1%) Homeowner's exemption$791,301 (+4.04%) Land $690,823 Building $100,478
2023$9,169.00 (+0.89%) Homeowner's exemption$760,576 Land $663,999 Building $96,577
2022$9,088.00

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 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 RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 428 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
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL		100 / 20

May also be available: Sonic Telecom.

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