Contra Costa County property record for 528 S 20th St, Richmond, CA 94804
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,198 sqft · built 1959 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,268 (2025) |
| Deeds & Mortgages | Jun 2026 Sale Jun 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 544-292-004-6 |
| Primary APN | 544-292-004-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,198 sqft Living Area |
| 1st Floor Area | 1,198 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 528 S 20TH ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94804-3811 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | WALLS HARBOR CENTER 7&8 23 |
| Legal Subdivision | WALLS HARBOR CENTER |
| Legal Block | 23 |
| Legal Lot Number | 7,8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 380002 |
528 S 20th St is owned and occupied by an individual who acquired it in October 1996.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 528 S 20TH ST, RICHMOND, CA 94804-3811 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 12, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Jun 12, 2026 | Affidavit, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Oct 21, 1996 |
| Transfer Doc | 0000200279 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 12, 2026 |
| Property Address | 528 S 20TH ST, RICHMOND, CA 94804-3811 |
| Document Number | 0000062188 |
| Instrument Date | Jun 12, 2026 |
| Instrument | 202662188 |
| Transaction Type | Transfer |
| Record Updated | Aug 30, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 528 S 20TH ST, RICHMOND, CA 94804-3811 |
| Document Type | Affidavit |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 12, 2026 |
| Property Address | 528 S 20TH ST, RICHMOND, CA 94804-3811 |
| Document Number | 0000062187 |
| Instrument Date | Jun 5, 2026 |
| Instrument | 202662187 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 528 S 20TH ST, RICHMOND, CA 94804-3811 |
The 2025 property tax bill for 528 S 20th St was $2,268.
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 | $54,883 (+2%) Land $17,459 Building $37,424 | |
| 2025 | $2,268.00 | $53,808 Land $17,117 Building $36,691 |
| 2023 | $2,236.00 (+3.76%) | $51,720 Land $16,453 Building $35,267 |
| 2022 | $2,155.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 528 S 20th St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 3 in force |
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.
The area around 528 S 20th St has no burnable land within ember reach, so its wildfire risk is not rated.
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 706 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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