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5485 Spring Mountain Ln, Antioch, CA 94531 Property Records

Contra Costa County property record for 5485 Spring Mountain Ln, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,543 sqft · built 2023
Lot Size0.104 acres (4,515 sqft)
Owner2 Individual Names on Record
Last Sale$840,000 (Oct 2025)
Tax Bill$12,311 (2025)
Deeds & MortgagesOct 2025 Sale & Mortgage
Aug 2023 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN057-180-102-6

Property Details

APN / Parcel Number

Primary APN057-180-102-6
Alternative APN
  • 057-180-102

Interior

Bedrooms4 Beds
Full Baths3 Baths
Total Rooms9 Rooms
Stories2 Stories
Building Area2,543 sqft Living Area
1st Floor Area1,233 sqft
2nd Floor Area1,310 sqft

Exterior

Year BuiltBuilt 2023
Effective Year BuiltEffective 2023
Lot Area4,515 sqft (0.104 acres)
Garage TypeAttached
Garage Area494 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address5485 SPRING MOUNTAIN LN
CityANTIOCH
StateCA
Zip94531-6234
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9568 L191
Legal SubdivisionPROMENADE VINEYARDS/SAND CRK S
Legal Tract9568
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group2
Census Block2011
Census Tract303207

Owner

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

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

Owner of Record2 Individual Names on Record
Mailing Address5485 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Oct 14, 2025Grant Deed, Transfer · Conventional Mortgage
VELLUM MORTGAGE LLC
Aug 9, 2023Grant Deed, Subdivision Related Transfer · Conventional Mortgage
LOANDEPOT.COM LLC
Feb 16, 2023Grant Deed, Transfer
FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 14, 2025 · Amount on Record
Deed SaleOct 14, 2025 · Amount on Record
Prior SaleAug 9, 2023 · Amount on Record
Deed Document Number2025107558
Record UpdatedSep 20, 2026

October 2025: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateOct 14, 2025
Property Address5485 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
Document Number0000107558
Map ReferenceMB 549 PG 35 TO 43
Instrument DateOct 7, 2025
Instrument2025- 107558
Transaction TypeTransfer
Record UpdatedOct 24, 2025
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
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
RelationshipRight of Survivorship
Address5485 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234

Mortgage

Document Number0000107559
DateOct 14, 2025
Instrument2025- 107559
Lender
NameVELLUM MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 1, 2055

August 2023: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 9, 2023
Property Address5485 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
Document Number0000075809
Map ReferenceMB 549 PG 35-43
Instrument DateJul 21, 2023
Instrument2023-075809
Transaction TypeSubdivision Related Transfer
Record UpdatedAug 18, 2023
Title CompanyFIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE

Transaction

AmountAmount Recorded
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
Address5485 SPRING MOUNTAIN LANE, CANADA XX

Mortgage

Document Number0000075810
DateAug 9, 2023
Instrument2023-075810
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2053

February 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 16, 2023
Property Address5485 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234
Document Number0000014198
Map ReferenceMB 549 PG 35-43
Instrument DateFeb 16, 2023
Instrument2023-014198
Transaction TypeTransfer
Record UpdatedAug 1, 2023
Title CompanyFIRST AMERICAN TITLE

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address2700 CAMINO RAMON # 130, 130, SAN RAMON, CA 94583-5004
InvestorPossibly a Property Investor

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Elementary School DistrictBrentwood Union Elementary School District (KG - 08)
Secondary School DistrictLiberty Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$840,000 (+5.04%) Land $240,000 Building $600,000
2025$12,311.00 (+148.66%) Homeowner's exemption$799,680 (+370.35%) Land $224,400 Building $575,280
2023$4,951.00 (+329.77%)$170,019 Land $170,019
2022$1,152.00

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

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

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

Wildfire RiskModerate
above 57% of the US · lower than 66% of California
Wildfire Likelihood0.1% annual chance
ExposureIndirect
within ember reach

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 235 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
Verizon
Fixed Wireless		300 / 20

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