Contra Costa County property record for 617 20th St, Richmond, CA 94801
| Property Type | Duplex |
|---|---|
| Details | 7 bd · 4 ba · 3,046 sqft · built 1960 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $115,000 (Sep 2012) |
| Tax Bill | $5,268 (2025) |
| Deeds & Mortgages | Oct 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 514-270-007-8 |
| Primary APN | 514-270-007-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 1 Story |
| Building Area | 3,046 sqft Living Area |
| 1st Floor Area | 1,929 sqft |
| Basement Area | 1,117 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Duplex Single |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Carport |
| Garage Area | 390 sqft |
| Carport | Carport |
| Carport Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 617 20TH ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-2823 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | CITY OF RICHMOND LOTS 25 & 26 BLK 125 |
| Legal Subdivision | RICHMOND |
| Legal Block | 125 |
| Legal Lot Number | 25,26 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 375000 |
617 20th St, a duplex, is owned by a company that bought it in September 2012.
Source: Contra Costa County records, as of October 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 923 CENTRAL AVE, ALAMEDA, CA 94501-3405 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 28, 2012 · Amount on File |
| Deed Sale | Sep 28, 2012 · Amount on File |
| Prior Sale | Sep 20, 2006 · Amount on File |
| Deed Document Number | 2012239164 |
| Prior Transfer Date | Apr 13, 2005 |
| Prior Transfer Doc | 0000149025 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 1, 2026 |
| Property Address | 617 20TH ST, RICHMOND, CA 94801-2823 |
| Document Number | 0000103445 |
| Instrument Date | Jul 25, 2026 |
| Instrument | 2026103445 |
| Transaction Type | Transfer |
| Record Updated | Oct 9, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Life Tenant |
| Address | 923 CENTRAL AVE, ALAMEDA, CA 94501-3405 |
The 2025 property tax bill for 617 20th St was $5,268.
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 | $190,068 (+2%) Land $61,790 Building $128,278 | |
| 2025 | $5,268.00 | $186,342 Land $60,579 Building $125,763 |
| 2023 | $5,031.00 (+2.99%) | $179,109 Land $58,228 Building $120,881 |
| 2022 | $4,885.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 617 20th 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.
The area around 617 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 1,047 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 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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