Contra Costa County property record for 5155 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 | Company Name on Record |
| Last Sale | $321,000 (Nov 2015) |
| Tax Bill | $4,673 (2025) |
| Deeds & Mortgages | Jan 2024 Transfer Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 056-180-014-5 |
| Primary APN | 056-180-014-5 |
|---|---|
| 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 1999 |
| 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 | 5155 GRASS VALLEY WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7587 L219 |
| Legal Subdivision | SUBDIVISION 7587 |
| Legal Tract | 7587 |
| Legal Lot Number | 219 |
| 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.
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 Record | Company Name on Record |
|---|---|
| Mailing Address | 2108 N ST, SACRAMENTO, CA 95816-5712 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Jan 30, 2024 | Intrafamily Transfer, Transfer |
| Jun 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 6, 2015 · Amount on Record |
| Deed Sale | Nov 6, 2015 · Amount on Record |
| Prior Sale | Aug 17, 2009 · Amount on Record |
| Deed Document Number | 2015233340 |
| Last Transfer Date | Jan 2, 2024 |
| Transfer Doc | 0000009352 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 30, 2024 |
| Property Address | 5155 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Document Number | 0000009352 |
| Map Reference | MB 358 PG 4 |
| Instrument Date | Jan 2, 2024 |
| Instrument | 2024-009352 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 7072 HOLLOW LAKE WAY, SAN JOSE, CA 95120-5813 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5155 GRASS VALLEY WAY, ANTIOCH, CA 94531-8436 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 1027 MOUNT CARMEL DR, SAN JOSE, CA 95120-1926 |
| Document Number | 0000172840 |
|---|---|
| Date | Jun 15, 2021 |
| Instrument | 2021-172840 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2051 |
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 | $387,591 (+2%) Land $90,556 Building $297,035 | |
| 2025 | $4,673.00 (+6.28%) | $379,992 (+4.04%) Land $88,781 Building $291,211 |
| 2023 | $4,397.00 (+1.52%) | $365,238 Land $85,335 Building $279,903 |
| 2022 | $4,331.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures