Contra Costa County property record for 529 4th St, Richmond, CA 94801
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,050 sqft · built 1980 |
| Lot Size | 0.062 acres (2,700 sqft) |
| Owner | Individual Name on File |
| Last Sale | $48,000 (Feb 2009) |
| Tax Bill | $2,369 (2025) |
| Deeds & Mortgages | Jan 2022 Refinance Jan 2019 Construction Loan + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 534-280-028 |
| Primary APN | 534-280-028 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,050 sqft Living Area |
| 1st Floor Area | 1,050 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 2,700 sqft (0.062 acres) |
| Garage Type | Attached |
| Garage Area | 220 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 529 4TH ST |
|---|---|
| City | RICHMOND |
| State | CA |
| Zip | 94801-2611 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | RICHMOND VILLA TRACT LOT 45 |
| Legal Subdivision | RICHMOND VILLA |
| Legal Block | 3 |
| Legal Lot Number | 45 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 376000 |
Source: Contra Costa County records · APN 534-280-028
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 | Individual Name on File |
|---|---|
| Mailing Address | 4 N RANCHO CT, EL SOBRANTE, CA 94803-1152 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jan 31, 2022 | Intrafamily Transfer, Transfer · Stand-Alone Refinance DUANE WELHOEFER IRA 092873 |
| Jan 15, 2019 | Trustee's Deed, Construction Loan · Construction Mortgage FLIP THAT INV LLC |
| Sep 24, 2018 | Trustee's Deed, Construction Loan · Construction Mortgage TARA WELLHOEFER |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 17, 2009 · Amount on Record |
| Deed Sale | Feb 17, 2009 · Amount on Record |
| Prior Sale | Oct 09, 2008 · Amount on Record |
| Deed Document Number | 200930510 |
| Last Transfer Date | Jan 26, 2022 |
| Transfer Doc | 0000018335 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 31, 2022 |
| Property Address | 529 4TH ST, RICHMOND, CA 94801-2611 |
| Document Number | 0000018335 |
| Map Reference | MB E PG 108 |
| Instrument Date | Jan 26, 2022 |
| Instrument | 2022-018335 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3260 BLUME DR STE 405, 405, RICHMOND, CA 94806-5277 |
| Document Number | 0000018336 |
|---|---|
| Date | Jan 31, 2022 |
| Instrument | 2022-018336 |
| Name | DUANE WELHOEFER IRA 092873 |
|---|---|
| Type | Non-Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 13 Months |
| Due | Feb 01, 2023 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 15, 2019 |
| Property Address | 529 4TH ST, RICHMOND, CA 94801-2611 |
| Instrument Date | Jan 09, 2019 |
| Instrument | 6164 |
| Transaction Type | Construction Loan |
| Record Updated | Apr 26, 2019 |
| Title Company | OLD REPUBLIC TITLE SF |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 3260 BLUME DR #405 RICHMOND CA 948065277, 405, RICHMOND, CA 94806-5277 |
| Document Number | 0000006164 |
|---|---|
| Date | Jan 15, 2019 |
| Instrument | 6164 |
| Name | FLIP THAT INV LLC |
|---|---|
| Address | NEWPORT COAST, CA 92657 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Jan 14, 2020 |
| Document Type | Trustee's Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 24, 2018 |
| Property Address | 529 4TH ST, RICHMOND, CA 94801-2611 |
| Instrument Date | Sep 17, 2018 |
| Instrument | 151827 |
| Transaction Type | Construction Loan |
| Record Updated | Jan 14, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 3260 BLUME DR #405 RICHMOND CA 948065277, 405, RICHMOND, CA 94806-5277 |
| Document Number | 0000151827 |
|---|---|
| Date | Sep 24, 2018 |
| Instrument | 151827 |
| Name | TARA WELLHOEFER |
|---|---|
| Address | 24 SIDNEY BAY DR, NEWPORT COAST, CA 92657-2105 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Sep 23, 2019 |
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 | $62,900 (+2%) Land $5,641 Building $57,259 | |
| 2025 | $2,369.00 (+1.59%) | $61,668 (+4.04%) Land $5,531 Building $56,137 |
| 2023 | $2,332.00 (+3.64%) | $59,275 Land $5,317 Building $53,958 |
| 2022 | $2,250.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: California Internet, Etheric Communications, LLC., T-Mobile USA.
Based on FCC filings for 816 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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