Contra Costa County property record for 5457 Spring Mountain Ln, Antioch, CA 94531 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,143 sqft · built 2023 |
| Lot Size | 0.132 acres (5,751 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $922,500 (Aug 2023) |
| Tax Bill | $13,766 (2025) |
| Deeds & Mortgages | Aug 2023 Sale & Mortgage Feb 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-180-008-5 |
| Primary APN | 057-180-008-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,143 sqft Living Area |
| 1st Floor Area | 1,601 sqft |
| 2nd Floor Area | 1,542 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Lot Area | 5,751 sqft (0.132 acres) |
| Garage Type | Attached |
| Garage Area | 525 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5457 SPRING MOUNTAIN LN |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-6234 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9568 L97 |
| Legal Subdivision | PROMENADE VINEYARDS/SAND CRK S |
| Legal Tract | 9568 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 303207 |
Source: Contra Costa County records · APN 057-180-008-5
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5457 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Aug 30, 2023 | Grant Deed, Subdivision Related Transfer · Conventional Mortgage LOANDEPOT.COM LLC |
| Feb 16, 2023 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 30, 2023 · Amount on Record |
| Deed Sale | Aug 30, 2023 · Amount on Record |
| Prior Sale | Feb 16, 2023 · Amount on Record |
| Deed Document Number | 202384020 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 30, 2023 |
| Property Address | 5457 RAMONA VALLEY LN, ANTIOCH, CA 94531 |
| Document Number | 0000084020 |
| Map Reference | MB 549 PG 35-43 |
| Instrument Date | Aug 04, 2023 |
| Instrument | 2023-084020 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Sep 11, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY HOMEBU, FIRST AMER TTL CO HOMEBUILDE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| 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 |
| Address | 5457 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6234 |
| Document Number | 0000084021 |
|---|---|
| Date | Aug 30, 2023 |
| Instrument | 2023-084021 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2053 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 16, 2023 |
| Property Address | 5457 RAMONA VALLEY LN, ANTIOCH, CA 94531 |
| Document Number | 0000014198 |
| Map Reference | MB 549 PG 35-43 |
| Instrument Date | Feb 16, 2023 |
| Instrument | 2023-014198 |
| Transaction Type | Transfer |
| Record Updated | Sep 11, 2023 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2700 CAMINO RAMON # 130, 130, SAN RAMON, CA 94583-5004 |
| Investor | Possibly a Property Investor |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Elementary School District | Brentwood Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
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.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $933,550 (+2%) Land $228,888 Building $704,662 | |
| 2025 | $13,766.00 (+167.46%) Homeowner's exemption | $915,246 (+438.32%) Land $224,400 Building $690,846 |
| 2023 | $5,147.00 (+346.79%) | $170,019 Land $170,019 |
| 2022 | $1,152.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 57% of the US · above 34% of California |
|---|---|
| Wildfire Likelihood | About 1 in 714 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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