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5296 Trimonti Cir, Antioch, CA 94531 Property Records

Contra Costa County property record for 5296 Trimonti Cir, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3.5 ba · 3,178 sqft · built 2021
Lot Size0.118 acres (5,155 sqft)
Owner2 Individual Names on File
Last Sale$900,000 (Apr 2024)
Tax Bill$11,593 (2025)
Deeds & MortgagesJun 2026 Mortgage
Apr 2024 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN057-140-002-7

Property Details

APN / Parcel Number

Primary APN057-140-002-7
Alternative APN
  • 057-140-002

Interior

Bedrooms4 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms14 Rooms
Stories2 Stories
Building Area3,178 sqft Living Area
1st Floor Area1,750 sqft
2nd Floor Area1,428 sqft

Exterior

Year BuiltBuilt 2021
Effective Year BuiltEffective 2023
Lot Area5,155 sqft (0.118 acres)
Garage TypeAttached
Garage Area588 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address5296 TRIMONTI CIR
CityANTIOCH
StateCA
Zip94531-8726
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9449 L131
Legal SubdivisionAVIANO PH 2 SUB 9449
Legal Tract9449
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2016
Census Tract303207

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Shannon-Williamson Ranch
listed 1987 · 12 contributing resources · NRIS 87000003

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

5296 Trimonti Cir is owned and occupied by two individuals who bought it in April 2024.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Individual Names on File
Mailing Address5296 TRIMONTI CIR, ANTIOCH, CA 94531-8726
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jun 23, 2026Deed of Trust, Mortgage · Conventional Mortgage
PURE MORTGAGE
Apr 12, 2024Grant Deed, Subdivision Related Transfer · Conventional Mortgage
LENNAR MORTGAGE LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 12, 2024 · Amount on File
Deed SaleApr 12, 2024 · Amount on File
Deed Document Number202433858
Record UpdatedSep 20, 2026

June 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Recording DateJun 23, 2026
Property Address5296 TRIMONTI CIR, ANTIOCH, CA 94531-8726
Document Number0000065640
Instrument DateJun 17, 2026
Instrument202665640
Transaction TypeMortgage
Record UpdatedJul 12, 2026
Title CompanyPRIORITY NATIONAL TITLE SERVICES, PRIORITY WEST TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants, 205
Address5296 TRIMONTI CIR, ANTIOCH, CA 94531-8726

Mortgage

Document Number0000065640,
DateJun 23, 2026
Instrument202665640
Lender
NamePURE MORTGAGE
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJul 1, 2056
Interest
Rate TypeFixed Rate
Rate6.51%
Initial TypeFixed Rate
Max Rate-1%

April 2024: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 12, 2024
Property Address5296 TRIMONTI CIR, ANTIOCH, CA 94531-8726
Document Number0000033858
Map ReferenceMB 544 PG 21-36
Instrument DateMar 8, 2024
Instrument2024-033858
Transaction TypeSubdivision Related Transfer
Record UpdatedApr 24, 2024
Title CompanyLENNAR TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
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
RelationshipJoint Tenants
Address5296 TRIMONTI CIR, ANTIOCH, CA 94531-8726

Mortgage

Document Number0000033859
DateApr 12, 2024
Instrument2024-033859
Lender
NameLENNAR MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMay 1, 2054

Tax Assessment & Valuation

The 2025 property tax bill for 5296 Trimonti Cir was $11,593.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$936,151 (+2%) Land $207,871 Building $728,280
2025$11,593.00$917,796 Land $203,796 Building $714,000
2023$10,295.00 (+12.86%)$816,768 Land $183,318 Building $633,450
2022$9,122.00

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

Flood

FEMA maps place 5296 Trimonti Cir in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies2 in force

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.

Wildfire

Wildfire risk around 5296 Trimonti Cir is high, ranking above 75% of the US, with a 0.4% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskHigh
above 75% of the US · above 51% of California
Wildfire Likelihood0.4% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF ANTIOCH
serves 116,781 people · EPA ID CA0710001
Water SourceSurface water
Last State InspectionJan 2024
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 331 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Trimonti Cir

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