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513 Dean Ln, Martinez, CA 94553 Property Records

Contra Costa County property record for 513 Dean Ln, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 3,003 sqft · built 2023
Lot Size0.174 acres (7,594 sqft)
Owner2 Individual Names on File
Last Sale$1,382,000 (Jul 2023)
Tax Bill$21,003 (2025)
Deeds & MortgagesMay 2026 Mortgage
Jul 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN162-580-051-9

Property Details

APN / Parcel Number

Primary APN162-580-051-9
Alternative APN
  • 162-580-051

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories2 Stories
Building Area3,003 sqft Living Area
1st Floor Area1,968 sqft
2nd Floor Area1,035 sqft

Exterior

Year BuiltBuilt 2023
Effective Year BuiltEffective 2023
Lot Area7,594 sqft (0.174 acres)
Garage TypeAttached
Garage Area439 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address513 DEAN LN
CityMARTINEZ
StateCA
Zip94553-4769
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9358 L51
Legal SubdivisionSUBDIVISION 9358
Legal Tract9358
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3014
Census Tract321101

Owner

Source: Contra Costa County records · APN 162-580-051-9

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 Address513 DEAN LN, MARTINEZ, CA 94553-4769
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
May 20, 2026Deed of Trust, Mortgage · Conventional Mortgage
CMG MORTGAGE INC
Jul 14, 2023Grant Deed, Transfer · Conventional Mortgage
CMG MORTGAGE INC

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 14, 2023 · Amount on Record
Deed SaleJul 14, 2023 · Amount on Record
Deed Document Number202366896
Record UpdatedSep 20, 2026

May 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Recording DateMay 20, 2026
Property Address513 DEAN LN, MARTINEZ, CA 94553-4769
Document Number0000052805
Instrument DateMay 15, 2026
Instrument202652805
Transaction TypeMortgage
Record UpdatedJul 12, 2026
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property, 149
Address513 DEAN LN, MARTINEZ, CA 94553-4769

Mortgage

Document Number0000052805,
DateMay 20, 2026
Instrument202652805
Lender
NameCMG MORTGAGE INC
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJun 01, 2056
Interest
Rate TypeFixed Rate
Rate6.3%
Initial TypeFixed Rate
Max Rate-1%

July 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 14, 2023
Property Address513 DEAN LN, MARTINEZ, CA 94553-4769
Document Number0000066896
Map ReferenceMB 548 PG 21
Instrument DateJun 30, 2023
Instrument2023-066896
Transaction TypeTransfer
Record UpdatedJul 25, 2023
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
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 with Right of Survivorship
Address513 DEAN LN, MARTINEZ, CA 94553-4769

Mortgage

Document Number0000066897
DateJul 14, 2023
Instrument2023-066897
Lender
NameCMG MORTGAGE INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 01, 2053

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

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$1,494,534 (+2%) Land $812,552 Building $681,982
2025$21,003.00 (+285.52%) Homeowner's exemption$1,465,230 (+580.31%) Land $796,620 Building $668,610
2023$5,448.00 (+193.85%)$215,377 (+45.03%) Land $215,377
2022$1,854.00$148,506 Land $148,506

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 060133211013, 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
Nearby Flood Policies1 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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 528 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
Radiate HoldingsFiber1,500 / 1,500
UnwiredFixed Wireless300 / 25
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20

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

Mobile Coverage

5G and 4G LTE

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