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186 Mount Vernon Dr, Clayton, CA 94517 Property Records

Contra Costa County property record for 186 Mount Vernon Dr, Clayton, CA 94517 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,740 sqft · built 1974
Lot Size0.248 acres (10,800 sqft)
Owner2 Individual Names on File
Last Sale$375,000 (Sep 2000)
Tax Bill$7,510 (2025)
Deeds & MortgagesDec 2017 Mortgage
Mar 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN119-203-002-9

Property Details

APN / Parcel Number

Primary APN119-203-002-9
Alternative APN
  • 119-203-002

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms10 Rooms
Stories1 Story
Building Area1,740 sqft Living Area
1st Floor Area1,740 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1979
Architectural StyleTraditional
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area10,800 sqft (0.248 acres)
Garage TypeDetached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address186 MT VERNON DR
CityCLAYTON
StateCA
Zip94517-1544
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT04013 L0014 B EX MR
Legal SubdivisionSUBDIVISION 4013
Legal Tract04013
Legal Lot Number14
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3010
Census Tract355306

Owner

Source: Contra Costa County records · APN 119-203-002-9

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 Address186 MT VERNON DR, CLAYTON, CA 94517-1544
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Dec 21, 2017Deed of Trust, Mortgage
HERITAGE BK/COMMERCE
Mar 31, 2017Intrafamily Transfer, Transfer · Conventional Mortgage
SIERRA PACIFIC MORTGAGE CO INC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleSep 27, 2000 · Amount on Record
Deed SaleSep 27, 2000 · Amount on Record
Prior SaleOct 23, 1997 · Amount on Record
Deed Document Number2000208927
Last Transfer DateMar 24, 2017
Transfer Doc0000056008
Record UpdatedSep 20, 2026

December 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address186 MT VERNON DR, CLAYTON, CA 94517-1544
Document Number0000245212
Instrument DateDec 21, 2017
Transaction TypeMortgage
Record UpdatedJan 04, 2018
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address186 MT VERNON DR CLAYTON CA 945171544, CLAYTON, CA 94517-1544

Mortgage

Document Number0000245212
DateDec 29, 2017
Instrument245212
Lender
NameHERITAGE BK/COMMERCE
TypeBank
AddressDANVILLE, CA 94526
Agreement
AmountAmount Recorded
Interest
Rate TypeAdjustable Rate

March 2017: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMar 31, 2017
Property Address186 MT VERNON DR, CLAYTON, CA 94517-1544
Document Number0000056008
Map ReferenceMB144 PG38
Instrument DateMar 24, 2017
Instrument2017-056008
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyFIDELITY NATIONAL TITLE CO

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address186 MT VERNON DR, CLAYTON, CA 94517-1544

Mortgage

Document Number0000056009
DateMar 31, 2017
Instrument2017-056009
Lender
NameSIERRA PACIFIC MORTGAGE CO INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueApr 01, 2047

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
MunicipalityClayton City
Unified School DistrictMount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$576,344 (+2%) Land $230,535 Building $345,809
2025$7,510.00 (+4.7%) Homeowner's exemption$565,044 (+4.04%) Land $226,015 Building $339,029
2023$7,173.00 (+1.49%) Homeowner's exemption$543,105 Land $217,240 Building $325,865
2022$7,068.00

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 060133553063, 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
Flood Insurance CostPremium on Record
median of 4 individual NFIP policies nearby
Nearby Flood Policies4 in force
1 of 4 on primary residences

Wildfire

Wildfire RiskModerate
above 67% of the US · above 42% of California
Wildfire LikelihoodAbout 1 in 429 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.

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