Contra Costa County property record for 404 31st St, Richmond, CA 94804
| Property Type | Triplex |
|---|---|
| Details | 2,035 sqft · built 1950 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $570,000 (Jul 2006) |
| Tax Bill | $14,507 (2025) |
| Deeds & Mortgages | Sep 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 516-140-012-1 |
| Primary APN | 516-140-012-1 |
|---|---|
| Alternative APN |
|
| Total Rooms | 3 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 2,035 sqft Living Area |
| 1st Floor Area | 2,035 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Triplex |
| Lot Area | 5,000 sqft (0.115 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 404 31ST ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94804-1764 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | RICHMOND CENTER TR LOTS 1 & 2 BLK 10 |
| Legal Subdivision | RICHMOND CENTER |
| Legal Block | 10 |
| Legal Lot Number | 1,2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 374000 |
404 31st St, a triplex, is owned by an individual who bought it in July 2006.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 412 31ST ST, RICHMOND, CA 94804-1764 |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Jul 19, 2006 · Amount on File |
| Deed Sale | Jul 19, 2006 · Amount on File |
| Deed Document Number | 2006227353 |
| Prior Transfer Date | Jul 6, 2006 |
| Prior Transfer Doc | 0000227354 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 404 31ST ST, RICHMOND, CA 94804-1764 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 5275 CARRIAGE DR, RICHMOND, CA 94803-3856 |
| Document Number | 0000138753 |
|---|---|
| Date | Sep 13, 2022 |
| Instrument | 2022-138753 |
| Name | GUARANTEED HOME MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Address | BRENTWOOD, CA 94513 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
The 2025 property tax bill for 404 31st St was $14,507.
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 | $778,937 (+2%) Land $327,970 Building $450,967 | |
| 2025 | $14,507.00 | $763,665 Land $321,540 Building $442,125 |
| 2023 | $13,865.00 (+2.16%) | $734,012 Land $309,055 Building $424,957 |
| 2022 | $13,572.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 404 31st St 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 404 31st St 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 98% of the US · lower than 98.4% 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 | 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 788 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 · DSL 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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