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3710 Serrano St, Martinez, CA 94553 Property Records

Contra Costa County property record for 3710 Serrano St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 1,880 sqft · built 1940
Lot Size0.241 acres (10,500 sqft)
OwnerIndividual Name on File
Last Sale$580,000 (Sep 2017)
Tax Bill$8,715 (2025)
Deeds & MortgagesMar 2026 Second Mortgage
Jun 2020 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN370-094-027-7

Property Details

APN / Parcel Number

Primary APN370-094-027-7
Alternative APN
  • 370-094-027

Interior

Bedrooms4 Beds
Full Baths2 Baths
Half Baths2 Half Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,880 sqft Living Area
1st Floor Area1,315 sqft
Basement Area565 sqft

Exterior

Year BuiltBuilt 1940
Effective Year BuiltEffective 1940
Lot Area10,500 sqft (0.241 acres)
Garage TypeAttached
Garage Area341 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address3710 SERRANO ST
CityMARTINEZ
StateCA
Zip94553-3751
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionALTA LOMA LOT 47 POR 46
Legal SubdivisionALTA LOMA
Legal Lot Number47
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2016
Census Tract318000

Owner

Source: Contra Costa County records · APN 370-094-027-7

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 RecordIndividual Name on File
Mailing Address3710 SERRANO ST, MARTINEZ, CA 94553-3751
OccupancyOwner Occupied
Owner TypeIndividual
VestingUnmarried Man

Deeds, Mortgages & Sale History

DateDocument
Mar 23, 2026Intrafamily Transfer, Transfer · Stand-Alone Second Mortgage
PATELCO CU
Jun 18, 2020Deed of Trust, Mortgage · Conventional Mortgage
SUMMIT FUNDING INC
Oct 27, 2020Intrafamily Transfer, Transfer · Conventional Mortgage
SUMMIT FUNDING INC
Sep 21, 2017Grant Deed, Transfer · Conventional Mortgage
SUMMIT FUNDING INC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleSep 21, 2017 · Amount on Record
Deed SaleSep 21, 2017 · Amount on Record
Deed Document Number2017172555
Last Transfer DateMar 05, 2026
Transfer Doc0000028325
Record UpdatedSep 20, 2026

March 2026: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateMar 23, 2026
Property Address3710 SERRANO ST, MARTINEZ, CA 94553-3751
Document Number0000028325
Map ReferenceMB 22 PG 660 & 661
Instrument DateMar 05, 2026
Instrument2026- 028325
Transaction TypeTransfer
Record UpdatedApr 01, 2026
Title CompanyPLACER TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3710 SERRANO ST, MARTINEZ, CA 94553-3751

Mortgage

Document Number0000028326
DateMar 23, 2026
Instrument2026- 028326
Lender
NamePATELCO CU
TypeCredit Union
Agreement
TypeStand-Alone Second Mortgage
AmountAmount Recorded
Term181 Months
DueApr 01, 2041

June 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address3710 SERRANO ST, MARTINEZ, CA 94553-3751
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyFIDELITY TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000118051
DateJun 18, 2020
Instrument2020-118051
Lender
NameSUMMIT FUNDING INC
TypeMortgage Company
AddressSACRAMENTO, CA 95815
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 01, 2050

October 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateOct 27, 2020
Property Address3710 SERRANO ST, MARTINEZ, CA 94553-3751
Document Number0000251258
Map ReferenceMB 22 PG 666-691
Instrument DateOct 19, 2020
Instrument2020-251258
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
Address3710 SERRANO ST, MARTINEZ, CA 94553-3751

Mortgage

Document Number0000251259
DateOct 27, 2020
Instrument2020-251259
Lender
NameSUMMIT FUNDING INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2050

September 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateSep 21, 2017
Property Address3710 SERRANO ST, MARTINEZ, CA 94553-3751
Document Number0000172555
Map ReferenceMAP22 PG660&661
Instrument DateSep 13, 2017
Instrument2017-172555
Transaction TypeTransfer
Record UpdatedNov 03, 2022
Title CompanyPLACER 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
Address3710 SERRANO ST, MARTINEZ, CA 94553-3751

Mortgage

Document Number0000172556
DateSep 21, 2017
Instrument2017-172556
Lender
NameSUMMIT FUNDING INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueOct 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
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$673,134 (+2%) Land $452,627 Building $220,507
2025$8,715.00 (+6.48%)$659,936 (+4.04%) Land $443,752 Building $216,184
2023$8,185.00 (+1.65%)$634,312 Land $426,521 Building $207,791
2022$8,052.00

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
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 74% of the US · above 50% of California
Wildfire LikelihoodAbout 1 in 248 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.

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