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5444 Promontory Way, Antioch, CA 94531 Property Records

Contra Costa County property record for 5444 Promontory Way, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details5 bd · 4 ba · 3,529 sqft · built 2023
Lot Size0.156 acres (6,803 sqft)
Owner2 Trust Names on File
Last Sale$934,000 (Nov 2023)
Tax Bill$13,840 (2025)
Deeds & MortgagesMar 2026 Mortgage
Nov 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN053-840-012-8

Property Details

APN / Parcel Number

Primary APN053-840-012-8
Alternative APN
  • 053-840-012

Interior

Bedrooms5 Beds
Full Baths4 Baths
Total Rooms12 Rooms
Stories2 Stories
Building Area3,529 sqft Living Area
1st Floor Area1,850 sqft
2nd Floor Area1,679 sqft

Exterior

Year BuiltBuilt 2023
Effective Year BuiltEffective 2023
Lot Area6,803 sqft (0.156 acres)
Garage TypeAttached
Garage Area665 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5444 PROMONTORY WAY
CityANTIOCH
StateCA
Zip94531-8739
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9564 L439
Legal SubdivisionSUBDIVISION 9564 PARK RDG VII
Legal Tract9564
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group4
Census Block4005
Census Tract302009

Owner

5444 Promontory Way is owner-occupied and held in a trust since August 2025.

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

Owner of Record2 Trust Names on File
Mailing Address5444 PROMONTORY WAY, ANTIOCH, CA 94531-8739
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Living Trust

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
Mar 9, 2026Deed of Trust, Mortgage · Conventional Mortgage
UNITED WHOLESALE MORTGAGE
Nov 21, 2023Grant Deed, Subdivision Related Transfer · Conventional Mortgage
CMG MORTGAGE INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 21, 2023 · Amount on File
Deed SaleNov 21, 2023 · Amount on File
Deed Document Number2023124790
Last Transfer DateAug 1, 2025
Transfer Doc0000079448
Record UpdatedSep 20, 2026

March 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address5444 PROMONTORY WAY, ANTIOCH, CA 94531-8739
Transaction TypeMortgage
Record UpdatedMar 18, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address5444 PROMONTORY WAY, ANTIOCH, CA 94531-8739

Mortgage

Document Number0000022725
DateMar 9, 2026
Instrument2026- 022725
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Address585 SOUTH BLVD E, PONTIAC, MI 48341
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term300 Months
DueMar 1, 2051

November 2023: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 21, 2023
Property Address5444 PROMONTORY WAY, ANTIOCH, CA 94531-8739
Document Number0000124790
Map ReferenceMB 549 PG 7-12
Instrument DateOct 30, 2023
Instrument2023-124790
Transaction TypeSubdivision Related Transfer
Record UpdatedDec 5, 2023
Title CompanyFIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE

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
RelationshipCommunity Property with Right of Survivorship
Address5444 PROMONTORY WAY, ANTIOCH, CA 94531-8739

Mortgage

Document Number0000124791
DateNov 21, 2023
Instrument2023-124791
Lender
NameCMG MORTGAGE INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueDec 1, 2053

Tax Assessment & Valuation

The 2025 property tax bill for 5444 Promontory Way was $13,840.

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$982,649 (+2%) Land $270,504 Building $712,145
2025$13,840.00 Homeowner's exemption$963,382 Land $265,200 Building $698,182
2023$1,773.00 (+48.37%)$115,389 Land $115,389
2022$1,195.00

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.

Flood

FEMA maps place 5444 Promontory Way 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
Community Rating SystemClass 6 (20% premium discount)
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 5444 Promontory Way is low, with a 0.04% annual chance of wildfire.

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

Wildfire RiskLow
lower than 66% of the US · lower than 80% of California
Wildfire Likelihood0.04% 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 288 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

May also be available: Verizon.

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