Contra Costa County property record for 423 Clark St, Crockett, CA 94525
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,256 sqft · built 1941 |
| Lot Size | 0.149 acres (6,500 sqft) |
| Owner | Individual Name on File |
| Last Sale | $91,000 (Jul 2012) |
| Tax Bill | $2,961 (2025) |
| Deeds & Mortgages | Jul 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 354-054-017 |
| Primary APN | 354-054-017 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,256 sqft Living Area |
| 1st Floor Area | 1,066 sqft |
| Basement Area | 190 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 6,500 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 423 CLARK ST |
|---|---|
| City | CROCKETT |
| State | CA |
| Zip | 94525-1521 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | CROCKETT HEIGHTS LOT 13 POR 12 & 23 BLK A |
| Legal Subdivision | CROCKETT HEIGHTS |
| Legal Block | A |
| Legal Lot Number | 13 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 357000 |
423 Clark St is owned and occupied by an individual who bought it in July 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 423 CLARK ST, CROCKETT, CA 94525-1521 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 18, 2012 · Amount on File |
| Deed Sale | Jul 18, 2012 · Amount on File |
| Prior Sale | May 6, 2010 · Amount on File |
| Deed Document Number | 2012169813 |
| Prior Transfer Date | Jan 24, 1994 |
| Prior Transfer Doc | 0000093808 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 423 CLARK ST, CROCKETT, CA 94525-1521 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | LAWYERS TITLE CO OF BAY |
| Name | Verified Name |
|---|
| Document Number | 0000123495 |
|---|---|
| Date | Jul 11, 2017 |
| Instrument | 2017-123495 |
| Name | HRF MORTGAGE |
|---|---|
| Address | DUBLIN, CA 94568 |
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 423 Clark St was $2,961.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | John Swett Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $138,151 (+2%) Land $113,037 Building $25,114 | |
| 2025 | $2,961.00 | $135,443 Land $110,821 Building $24,622 |
| 2023 | $2,658.00 (+1.84%) | $130,186 Land $106,519 Building $23,667 |
| 2022 | $2,610.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 423 Clark 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 423 Clark St is moderate, ranking above 45% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect 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 306 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
5G (outdoors only) and 4G LTE
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