1. Home
  2. California
  3. Contra Costa County
  4. Martinez
  5. Serrano St

3747 Serrano St, Martinez, CA 94553 Property Records

Contra Costa County property record for 3747 Serrano St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,440 sqft · built 1964
Lot Size0.172 acres (7,500 sqft)
Owner2 Company Names on File
Last Sale$380,000 (Oct 2003)
Tax Bill$7,227 (2025)
Deeds & MortgagesFeb 2026 Transfer
Flood ZoneZone X (minimal risk)
APN370-093-021-1

Property Details

APN / Parcel Number

Primary APN370-093-021-1
Alternative APN
  • 370-093-021

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,440 sqft Living Area
Gross Area1,890 sqft
1st Floor Area1,440 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1965
Architectural StyleRanch
Exterior MaterialStucco
Construction TypeFrame
Roof MaterialTar & Gravel
Lot Area7,500 sqft (0.172 acres)
Lot Dimensions130 ft deep x 64 ft wide
Garage TypeAttached
Garage Area450 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address3747 SERRANO ST
CityMARTINEZ
StateCA
Zip94553-3752
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMONTICITO PARK LOT 12
Legal SubdivisionMONTICITO PARK
Legal Lot Number12
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2017
Census Tract318000

Owner

Source: Contra Costa County records · APN 370-093-021-1

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 Company Names on File
Mailing Address3747 SERRANO ST, MARTINEZ, CA 94553-3752
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 31, 2003 · Amount on Record
Deed SaleOct 31, 2003 · Amount on Record
Prior SaleFeb 14, 2003 · Amount on Record
Deed Document Number2003540095
Prior Transfer DateApr 23, 2002
Prior Transfer Doc0000155985
Record UpdatedSep 20, 2026

February 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateFeb 24, 2026
Property Address3747 SERRANO ST, MARTINEZ, CA 94553-3752
Document Number0000018040
Map ReferenceMB 22 PG 673
Instrument DateFeb 19, 2026
Instrument2026- 018040
Transaction TypeTransfer
Record UpdatedMar 06, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3747 SERRANO ST, MARTINEZ, CA 94553-3752

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 DistrictMartinez 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$551,065 (+2%) Land $311,788 Building $239,277
2025$7,227.00 (+6.51%) Homeowner's exemption$540,261 (+4.04%) Land $305,675 Building $234,586
2023$6,785.00 (+1.66%) Homeowner's exemption$519,284 Land $293,806 Building $225,478
2022$6,674.00

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 060133180002, 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
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Nearby Flood Policies3 in force
Nearby Flood Claims5 (1982–2017)
Claims Outside the SFHA4 of 5
Most Recent ClaimJan 2017, rainfall accumulation, Severe Winter Storms, Flooding, And Mudslides

Wildfire

Wildfire RiskHigh
above 73% of the US · above 48% of California
Wildfire LikelihoodAbout 1 in 260 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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 335 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
Radiate HoldingsFiber1,500 / 1,500
UnwiredFixed Wireless300 / 25
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
AT&TDSL100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

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

Nearby Properties on Serrano St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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