1. Home
  2. California
  3. Contra Costa County
  4. Martinez
  5. Lava Ct

321 Lava Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 321 Lava Ct, Martinez, CA 94553 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,517 sqft · built 1976
Lot Size0.145 acres (6,300 sqft)
Owner2 Company Names on File
Last Sale$288,500 (Jul 2000)
Tax Bill$5,751 (2025)
Deeds & MortgagesNov 2021 Transfer
Flood ZoneZone X (minimal risk)
APN155-370-056-6

Property Details

APN / Parcel Number

Primary APN155-370-056-6
Alternative APN
  • 155-370-056

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,517 sqft Living Area
Gross Area1,958 sqft
1st Floor Area1,517 sqft

Exterior

Year BuiltBuilt 1976
Effective Year BuiltEffective 1977
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area6,300 sqft (0.145 acres)
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address321 LAVA CT
CityMARTINEZ
StateCA
Zip94553-5430
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT04822 L0056 B
Legal SubdivisionSUBDIVISION 4822
Legal Tract04822
Legal Lot Number56
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2006
Census Tract321101

Owner

Source: Contra Costa County records · APN 155-370-056-6

Assessment roll updated July 14, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on File
Mailing Address321 LAVA CT, MARTINEZ, CA 94553-5430
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJul 03, 2000 · Amount on Record
Deed SaleJul 03, 2000 · Amount on Record
Deed Document Number2000140257
Last Transfer DateNov 02, 2021
Transfer Doc0000311420
Record UpdatedSep 20, 2026

November 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateNov 09, 2021
Property Address321 LAVA CT, MARTINEZ, CA 94553-5430
Document Number0000311420
Map ReferenceMB 185 PG 3
Instrument DateNov 02, 2021
Instrument2021-311420
Transaction TypeTransfer
Record UpdatedJun 07, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address321 LAVA CT, MARTINEZ, CA 94553-5430
InvestorPossibly a Property Investor

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 is set for property tax purposes and is not a market price estimate.

YearTax BillAssessed Value
2026$443,390 (+2%) Land $145,999 Building $297,391
2025$5,751.00 (+4.28%) Homeowner's exemption$434,697 (+4.04%) Land $143,137 Building $291,560
2023$5,515.00 (+0.88%) Homeowner's exemption$417,820 Land $137,580 Building $280,240
2022$5,467.00

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 060133211012, 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
Nearby Flood Claims1 (1993)
Claims Outside the SFHA1 of 1
Most Recent ClaimJun 1993, rainfall accumulation

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 558 locations within about half a mile of this property

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

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

Mobile Coverage

5G and 4G LTE

Nearby Properties on Lava Ct

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures