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1933 Grass Mountain Ct, Antioch, CA 94531 Property Records

Contra Costa County property record for 1933 Grass Mountain Ct, Antioch, CA 94531

Property Summary

Property TypeSingle Family Home
Details5 bd · 3 ba · 2,584 sqft · built 1998
Lot Size0.202 acres (8,800 sqft)
OwnerCompany Name on Record
Last Sale$227,000 (Jun 1998)
Tax Bill$5,384 (2025)
Deeds & MortgagesNov 2020 Transfer
Nov 2020 Transfer
+ 1 more
Flood ZoneZone X (minimal risk)
APN055-350-011-7

Property Details

APN / Parcel Number

Primary APN055-350-011-7
Alternative APN
  • 055-350-011

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms11 Rooms
Stories2 Stories
Building Area2,584 sqft Living Area
1st Floor Area1,260 sqft
2nd Floor Area1,324 sqft

Exterior

Year BuiltBuilt 1998
Effective Year BuiltEffective 1998
Lot Area8,800 sqft (0.202 acres)
Garage TypeAttached
Garage Area698 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address1933 GRASS MOUNTAIN CT
CityANTIOCH
StateCA
Zip94531-7426
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT7500 L341
Legal SubdivisionSUBDIVISION 7500
Legal Tract7500
Legal Lot Number341
JurisdictionCONTRA COSTA CA
Township / Civil DivisionTASSAJARA
Census Block Group1
Census Block1007
Census Tract355120

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 RecordCompany Name on Record
Mailing Address1933 GRASS MOUNTAIN CT, ANTIOCH, CA 94531-7426
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Nov 2, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY
Nov 2, 2020Quit Claim Deed, Transfer
ATTORNEY ONLY
Aug 27, 2020Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 12, 1998 · Amount on Record
Deed SaleJun 12, 1998 · Amount on Record
Deed Document Number1998133811
Last Transfer DateOct 7, 2020
Transfer Doc0000259947
Record UpdatedSep 20, 2026

November 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 2, 2020
Property Address1933 GRASS MOUNTAIN CT, ANTIOCH, CA 94531-7426
Document Number0000259947
Instrument DateOct 7, 2020
Instrument259947
Transaction TypeTransfer
Record UpdatedNov 11, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address1933 GRASS MOUNTAIN CT ANTIOCH CA 945317426, ANTIOCH, CA 94531-7426

November 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 2, 2020
Property Address1933 GRASS MOUNTAIN CT, ANTIOCH, CA 94531-7426
Document Number0000259948
Instrument DateOct 7, 2020
Instrument259948
Transaction TypeTransfer
Record UpdatedNov 11, 2020
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipSeparate Estate/Property
Address1933 GRASS MOUNTAIN CT ANTIOCH CA 945317426, ANTIOCH, CA 94531-7426

August 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateAug 27, 2020
Property Address1933 GRASS MOUNTAIN CT, ANTIOCH, CA 94531-7426
Document Number0000185024
Instrument DateJun 19, 2020
Instrument185024
Transaction TypeTransfer
Record UpdatedSep 25, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1933 GRASS MOUNTAIN CT ANTIOCH CA 945317426, ANTIOCH, CA 94531-7426

Tax Assessment & Valuation

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$458,138 (+2%) Land $81,420 Building $376,718
2025$5,384.00 (+6.21%)$449,156 (+4.04%) Land $79,824 Building $369,332
2023$5,069.00 (+1.56%)$431,717 Land $76,725 Building $354,992
2022$4,991.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% 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 424 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: T-Mobile, Verizon.

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