Contra Costa County property record for 3707 Sunset Ln, #A, Antioch, CA 94509
| Property Type | Medical Building |
|---|---|
| Details | 5,272 sqft · built 1986 |
| Lot Size | 0.319 acres (13,900 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $588,000 (Jun 2000) |
| Tax Bill | $14,331 (2025) |
| Deeds & Mortgages | Oct 2025 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-362-016-5 |
| Primary APN | 068-362-016-5 |
|---|---|
| Alternative APN |
|
| Total Rooms | 2 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 5,272 sqft Gross Area |
| 1st Floor Area | 5,272 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 13,900 sqft (0.319 acres) |
| Garage Type | Carport |
| Garage Area | 600 sqft |
| Carport | Carport |
| Carport Area | 600 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 3707 SUNSET LN, A |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6101 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Local Zoning Code | P-D |
| Legal Description | PCL MAP 94 PG 26 PCL B EX 1/2 MR |
| Legal Subdivision | PM 94 26 |
| Legal Tract | 94PM26 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 308001 |
3707 Sunset Ln, #A is held in a trust since May 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3707 SUNSET LN, A, ANTIOCH, CA 94509-6101 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 30, 2000 · Amount on File |
| Deed Sale | Jun 30, 2000 · Amount on File |
| Deed Document Number | 2000138329 |
| Last Transfer Date | May 8, 2007 |
| Transfer Doc | 0000148910 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 7, 2025 |
| Property Address | 3707 SUNSET LN # A, A, ANTIOCH, CA 94509-6101 |
| Document Number | 0000104921 |
| Map Reference | MB 94 PG 26 |
| Instrument Date | Sep 8, 2025 |
| Instrument | 2025- 104921 |
| Transaction Type | Transfer |
| Record Updated | Oct 21, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5180 GOLDEN FOOTHILL PKWY STE 210, 210, EL DORADO HILLS, CA 95762-9347 |
| Mail Care Of | PROEQUITY ASSET MANAGEMENT |
The 2025 property tax bill for 3707 Sunset Ln, #A was $14,331.
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 | $1,241,447 (+2%) Land $363,284 Building $878,163 | |
| 2025 | $14,331.00 | $1,217,106 Land $356,161 Building $860,945 |
| 2023 | $14,111.00 (-3.38%) | $1,169,846 Land $342,332 Building $827,514 |
| 2022 | $14,604.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3707 Sunset Ln, #A 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 3707 Sunset Ln, #A is low, with 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 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 489 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 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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