Contra Costa County property record for 623 40th St, Richmond, CA 94805
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,100 sqft · built 1938 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $115,000 (Dec 1996) |
| Tax Bill | $5,357 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 518-330-008-5 |
| Primary APN | 518-330-008-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,100 sqft Living Area |
| 1st Floor Area | 1,100 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1938 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Roof Material | Composition Shingle |
| Lot Area | 5,000 sqft (0.115 acres) |
| Lot Dimensions | 100 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 623 40TH ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94805-1809 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SFR3 |
| Legal Description | SPAULD RICH PULL TWNST LOTS 15&16 BLK 38 |
| Legal Subdivision | SPAULDING |
| Legal Block | 38 |
| Legal Lot Number | 15,16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 371000 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 1540 SANTA CLARA ST, RICHMOND, CA 94804-5037 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 4, 1996 · Amount on Record |
| Deed Sale | Dec 4, 1996 · Amount on Record |
| Deed Document Number | 1996226241 |
| Last Transfer Date | Oct 6, 2000 |
| Transfer Doc | 0000265141 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Richmond City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $276,631 (+2%) Land $184,425 Building $92,206 | |
| 2025 | $5,357.00 (+3.1%) | $271,208 (+4.04%) Land $180,809 Building $90,399 |
| 2023 | $5,196.00 (+2.24%) | $260,679 Land $173,789 Building $86,890 |
| 2022 | $5,082.00 |
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 | Not rated no burnable land 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 949 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks.
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