Contra Costa County property record for 5528 Spring Mountain Ln, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,282 sqft · built 2023 |
| Lot Size | 0.085 acres (3,688 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $780,000 (Dec 2023) |
| Tax Bill | $12,038 (2025) |
| Deeds & Mortgages | Dec 2023 Sale & Mortgage Nov 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-200-023 |
| Primary APN | 057-200-023 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,282 sqft Living Area |
| 1st Floor Area | 1,082 sqft |
| 2nd Floor Area | 1,200 sqft |
| Year Built | Built 2023 |
|---|---|
| Effective Year Built | Effective 2023 |
| Lot Area | 3,688 sqft (0.085 acres) |
| Garage Type | Attached |
| Garage Area | 461 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5528 SPRING MOUNTAIN LN |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-6237 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9567 L220 |
| Legal Subdivision | VINEYARDS/SAND CRK PROMENADE P |
| Legal Tract | 9567 |
| 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 057-200-023
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 | 5528 SPRING MOUNTAIN LN, ANTIOCH, CA 94531-6237 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 22, 2023 | Grant Deed, Transfer · Conventional Mortgage RESICENTRAL LLC |
| Nov 16, 2023 | Grant Deed, Subdivision Related Transfer · Conventional Mortgage LOANDEPOT.COM LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 22, 2023 · Amount on Record |
| Deed Sale | Dec 22, 2023 · Amount on Record |
| Prior Sale | Nov 16, 2023 · Amount on Record |
| Deed Document Number | 2023135054 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 22, 2023 |
| Property Address | 5528 HAMES VALLEY LN, ANTIOCH, CA 94531 |
| Document Number | 0000135054 |
| Map Reference | MB 552 PG 45-54 |
| Instrument Date | Dec 20, 2023 |
| Instrument | 2023-135054 |
| Transaction Type | Transfer |
| Record Updated | Jan 10, 2024 |
| Title Company | TITLE FLORIDA INC, TITLE FORWARD OF CA INC |
| 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 with Right of Survivorship |
| Address | 5528 SPRING MOUNTAIN LANE, ANTIOCH, CA 94531-6237 |
| Document Number | 0000135055 |
|---|---|
| Date | Dec 22, 2023 |
| Instrument | 2023-135055 |
| Name | RESICENTRAL LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2054 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 16, 2023 |
| Property Address | 5528 HAMES VALLEY LN, ANTIOCH, CA 94531 |
| Document Number | 0000123095 |
| Map Reference | MB 552 PG 45 |
| Instrument Date | Nov 01, 2023 |
| Instrument | 2023-123095 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Jan 10, 2024 |
| 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 with Right of Survivorship |
| Address | 5528 SPRING MOUNTAIN LANE, ANTIOCH, CA 94531-6237 |
| Document Number | 0000123096 |
|---|---|
| Date | Nov 16, 2023 |
| Instrument | 2023-123096 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2053 |
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 | $811,512 (+2%) Land $249,696 Building $561,816 | |
| 2025 | $12,038.00 (+160.39%) | $795,600 (+368.49%) Land $244,800 Building $550,800 |
| 2023 | $4,623.00 | $169,824 Land $169,824 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
Based on FCC filings for 235 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF ANTIOCH serves 116,781 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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