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599 Mount Dell Dr, Clayton, CA 94517 Property Records

Contra Costa County property record for 599 Mount Dell Dr, Clayton, CA 94517

Property Summary

Property TypeTownhouse
Details3 bd · 2 ba · 1,310 sqft · built 1974
Lot Size0.048 acres (2,109 sqft)
Owner2 Individual Names on Record
Last Sale$592,000 (Nov 2019)
Tax Bill$8,383 (2025)
Deeds & MortgagesApr 2021 Mortgage
Nov 2019 Sale & Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN119-302-029-2

Property Details

APN / Parcel Number

Primary APN119-302-029-2
Alternative APN
  • 119-302-029

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area1,310 sqft Living Area
Gross Area1,790 sqft
1st Floor Area1,030 sqft
2nd Floor Area280 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1990
Architectural StyleTownhouse
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area2,109 sqft (0.048 acres)
Garage TypeAttached
Garage Area480 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address599 MT DELL DR
CityCLAYTON
StateCA
Zip94517-1502
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Legal DescriptionT04504 L0051 B
Legal SubdivisionSUBDIVISION 4504
Legal Tract04504
Legal Lot Number51
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3008
Census Tract355306

Owner

Source: Contra Costa County records, as of September 18, 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 Address599 MT DELL DR, CLAYTON, CA 94517-1502
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Apr 27, 2021Deed of Trust, Mortgage · Conventional Mortgage
WELLS FARGO BANK NA
Nov 13, 2019Grant Deed, Transfer · Conventional Mortgage
WELLS FARGO BANK NA
Dec 17, 2018Grant Deed, Transfer
WFG NATIONAL TITLE INSURANCE, WEG NAT'L TITLE INS CO
Dec 17, 2018Quit Claim Deed, Transfer
WFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 13, 2019 · Amount on Record
Deed SaleNov 13, 2019 · Amount on Record
Prior SaleDec 17, 2018 · Amount on Record
Deed Document Number2019202576
Prior Transfer DateApr 15, 2004
Prior Transfer Doc0000140426
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address599 MT DELL DR, CLAYTON, CA 94517-1502
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyPLACER TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address599 MT DELL DR, CLAYTON, CA 94517-1502

Mortgage

Document Number0000127021
DateApr 27, 2021
Instrument2021-127021
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term241 Months
DueMay 1, 2041

November 2019: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 13, 2019
Property Address599 MT DELL DR, CLAYTON, CA 94517-1502
Document Number0000202576
Map ReferenceMB 162 PG 21
Instrument DateNov 6, 2019
Instrument2019-202576
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyPLACER TITLE COMPANY

Transaction

AmountAmount Recorded
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
RelationshipCommunity Property
Address599 MT DELL DR, CLAYTON, CA 94517-1502

Mortgage

Document Number0000202577
DateNov 13, 2019
Instrument2019-202577
Lender
NameWELLS FARGO BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 1, 2049

December 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 17, 2018
Property Address599 MT DELL DR, CLAYTON, CA 94517-1502
Document Number0000201251
Instrument DateDec 14, 2018
Instrument201251
Transaction TypeTransfer
Record UpdatedDec 28, 2018
Title CompanyWFG NATIONAL TITLE INSURANCE, WEG NAT'L TITLE INS CO

Transaction

AmountAmount Recorded
Tax$478.50
Amount AccuracyFull Value
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4755 OLIVE DR CONCORD CA 945212138, CONCORD, CA 94521-2138

December 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateDec 17, 2018
Property Address599 MT DELL DR, CLAYTON, CA 94517-1502
Document Number0000201250
Instrument DateDec 13, 2018
Instrument201250
Transaction TypeTransfer
Record UpdatedDec 28, 2018
Title CompanyWFG NATIONAL TITLE INSURANCE, WFG NAT'L TITLE INS

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address4755 OLIVE DR CONCORD CA 945212138, CONCORD, CA 94521-2138

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$660,381 (+2%) Land $377,043 Building $283,338
2025$8,383.00 (+4.62%) Homeowner's exemption$647,433 (+4.04%) Land $369,650 Building $277,783
2023$8,013.00 (+1.42%) Homeowner's exemption$622,295 Land $355,297 Building $266,998
2022$7,901.00

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 Policies4 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 RiskHigh
above 77% of the US · above 54% of California
Wildfire Likelihood0.5% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 107 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20

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