Contra Costa County property record for 5163 Grass Valley Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,299 sqft · built 1992 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,393 (2025) |
| Deeds & Mortgages | Oct 2019 Mortgage Sep 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-180-016 |
| Primary APN | 056-180-016 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,299 sqft Living Area |
| 1st Floor Area | 1,299 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 1992 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 444 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5163 GRASS VALLEY WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A-2 |
| Legal Description | T7587 L221 |
| Legal Subdivision | MAP/SUB 7587 |
| Legal Tract | 7587 |
| Legal Lot Number | 221 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 303207 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within 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.
5163 Grass Valley Way is owned and occupied by two individuals who acquired it in September 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Oct 29, 2019 | Deed of Trust, Mortgage · FHA Mortgage 1ST RATE HOME MORTGAGE INC |
| Sep 16, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage DIRECT FINANCE |
| Apr 27, 2021 | Intrafamily Transfer, Transfer · FHA Mortgage PENNYMAC LOAN SERVICES LLC |
| Feb 28, 2019 | Grant Deed, Transfer · FHA Mortgage SUMMIT FUNDING INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 27, 2021 |
| Deed Sale | Apr 27, 2021 |
| Prior Sale | Feb 28, 2019 · Amount on File |
| Deed Document Number | 2021126169 |
| Last Transfer Date | Sep 11, 2021 |
| Transfer Doc | 0000258808 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATL TTL ORANGE CNT |
| Name | Verified Name |
|---|
| Document Number | 0000191181 |
|---|---|
| Date | Oct 29, 2019 |
| Instrument | 2019-191181 |
| Name | 1ST RATE HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | TEMPE, AZ 85283 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2049 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 16, 2021 |
| Property Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000258808 |
| Map Reference | MB 358 PG 4 |
| Instrument Date | Sep 11, 2021 |
| Instrument | 2021-258808 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | WFT NATIONAL TITLE, WFG NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000258809 |
|---|---|
| Date | Sep 16, 2021 |
| Instrument | 2021-258809 |
| Name | DIRECT FINANCE |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Oct 1, 2041 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 27, 2021 |
| Property Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000126169 |
| Map Reference | MB 358 PG 4 |
| Instrument Date | Aug 11, 2020 |
| Instrument | 2021-126169 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | BNT TITLE COMPANY/CA, BNT TITLE COMPANY OF CA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000126170 |
|---|---|
| Date | Apr 27, 2021 |
| Instrument | 2021-126170 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 354 Months |
| Due | Oct 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 28, 2019 |
| Property Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000027429 |
| Map Reference | MB 358 PG 4 |
| Instrument Date | Feb 25, 2019 |
| Instrument | 2019-027429 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5163 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000027430 |
|---|---|
| Date | Feb 28, 2019 |
| Instrument | 2019-027430 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2049 |
The 2025 property tax bill for 5163 Grass Valley Way was $5,393.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $457,400 (+2%) Land $170,671 Building $286,729 | |
| 2025 | $5,393.00 | $448,432 Land $167,325 Building $281,107 |
| 2023 | $5,078.00 (+1.54%) | $431,022 Land $160,829 Building $270,193 |
| 2022 | $5,001.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5163 Grass Valley Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 5163 Grass Valley Way is moderate, ranking above 51% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 51% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 638 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
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