Contra Costa County property record for 5508 Mountain Ridge Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,086 sqft · built 2018 |
| Lot Size | 0.121 acres (5,248 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $732,000 (Jul 2021) |
| Tax Bill | $11,333 (2025) |
| Deeds & Mortgages | Jul 2021 Sale & Mortgage Dec 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 053-780-033-6 |
| Primary APN | 053-780-033-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,086 sqft Living Area |
| 1st Floor Area | 2,086 sqft |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Lot Area | 5,248 sqft (0.121 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5508 MOUNTAIN RIDGE WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8698 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8846 L44 |
| Legal Subdivision | SUBDIVISION 8846 PARK RDG 1 |
| Legal Tract | 8846 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 302009 |
5508 Mountain Ridge Way is owned and occupied by two individuals who bought it in July 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5508 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Jul 19, 2021 | Grant Deed, Transfer · FHA Mortgage GUILD MORTGAGE CO |
| Dec 6, 2018 | Grant Deed, Subdivision Related Transfer · FHA Mortgage CMG MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 19, 2021 · Amount on File |
| Deed Sale | Jul 19, 2021 · Amount on File |
| Prior Sale | Dec 6, 2018 · Amount on File |
| Deed Document Number | 2021203172 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 19, 2021 |
| Property Address | 5508 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698 |
| Document Number | 0000203172 |
| Map Reference | MB 531 PG 37 |
| Instrument Date | Jul 14, 2021 |
| Instrument | 2021-203172 |
| Transaction Type | Transfer |
| Record Updated | Aug 1, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC 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 |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 5508 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698 |
| Document Number | 0000203173 |
|---|---|
| Date | Jul 19, 2021 |
| Instrument | 2021-203173 |
| Name | GUILD MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 6, 2018 |
| Property Address | 5508 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698 |
| Document Number | 0000195629 |
| Map Reference | MB 531 PG 37 |
| Instrument Date | Nov 20, 2018 |
| Instrument | 2018-195629 |
| Transaction Type | Subdivision Related 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 | 5508 MOUNTAIN RIDGE WAY, ANTIOCH, CA 94531-8698 |
| Document Number | 0000195630 |
|---|---|
| Date | Dec 6, 2018 |
| Instrument | 2018-195630 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 1, 2048 |
The 2025 property tax bill for 5508 Mountain Ridge Way was $11,333.
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 | $792,337 (+2%) Land $205,661 Building $586,676 | |
| 2025 | $11,333.00 | $776,802 Land $201,629 Building $575,173 |
| 2023 | $10,716.00 (+1.79%) | $746,640 Land $193,800 Building $552,840 |
| 2022 | $10,528.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5508 Mountain Ridge 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 Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 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 risk around 5508 Mountain Ridge Way is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 286 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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