Contra Costa County property record for 643 28th St, Richmond, CA 94804 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,366 sqft · built 1940 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $770,000 (Mar 2022) |
| Tax Bill | $10,800 (2025) |
| Deeds & Mortgages | Mar 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 515-080-015-8 |
| Primary APN | 515-080-015-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,366 sqft Living Area |
| 1st Floor Area | 1,198 sqft |
| Basement Area | 168 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 296 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 643 28TH ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94804-1517 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | NICH MAC AVE CIV CEN LOTS 56 & 57 BLK 29 |
| Legal Subdivision | NICHOLL MACDONALD AVE CIVIC |
| Legal Block | 29 |
| Legal Lot Number | 56,57 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4014 |
| Census Tract | 374000 |
Source: Contra Costa County records · APN 515-080-015-8
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 | 643 28TH ST, RICHMOND, CA 94804-1517 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 29, 2022 · Amount on Record |
| Deed Sale | Mar 29, 2022 · Amount on Record |
| Deed Document Number | 202254440 |
| Prior Transfer Date | Mar 01, 2010 |
| Prior Transfer Doc | 0000043909 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 29, 2022 |
| Property Address | 643 28TH ST, RICHMOND, CA 94804-1517 |
| Document Number | 0000054440 |
| Map Reference | MB 8 PG 190 |
| Instrument Date | Mar 22, 2022 |
| Instrument | 2022-054440 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| 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 | 643 28TH ST, RICHMOND, CA 94804-1517 |
| Document Number | 0000054441 |
|---|---|
| Date | Mar 29, 2022 |
| Instrument | 2022-054441 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2052 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Richmond City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $618,000 (-6.22%) Land $417,000 Building $201,000 | |
| 2025 | $10,800.00 (+2%) Homeowner's exemption | $659,000 (+2.01%) Land $445,039 Building $213,961 |
| 2023 | $10,588.00 (+381.93%) | $646,000 Land $436,000 Building $210,000 |
| 2022 | $2,197.00 |
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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 1,276 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Etheric Communications, LLC., AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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