Contra Costa County property record for 3959 Holway Dr, Byron, CA 94514
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,887 sqft · built 1893 |
| Lot Size | 0.568 acres (24,750 sqft) |
| Owner | Individual Name on File |
| Last Sale | $455,000 (Dec 2003) |
| Tax Bill | $8,259 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 002-101-007-9 |
| Primary APN | 002-101-007-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,887 sqft Living Area |
| 1st Floor Area | 1,887 sqft |
| Year Built | Built 1893 |
|---|---|
| Effective Year Built | Effective 1961 |
| Lot Area | 24,750 sqft (0.568 acres) |
| Garage Type | Attached |
| Garage Area | 625 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 3959 HOLWAY DR |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | POR SEC 3 T1S R3E |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 03 |
| Legal Subdivision | CAMINO DIABLO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1084 |
| Census Tract | 304002 |
Source: Contra Costa County records · APN 002-101-007-9
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 | 2121 HARRISON ST, 100, OAKLAND, CA 94612-3788 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 03, 2003 · Amount on Record |
| Deed Sale | Dec 03, 2003 · Amount on Record |
| Prior Sale | Jun 24, 2002 · Amount on Record |
| Deed Document Number | 2003585892 |
| Prior Transfer Date | Apr 03, 2003 |
| Prior Transfer Doc | 0000161503 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Byron Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $659,831 (+2%) Land $348,043 Building $311,788 | |
| 2025 | $8,259.00 (+20.08%) | $646,894 (+4.04%) Land $341,219 Building $305,675 |
| 2023 | $6,878.00 (-12.02%) | $621,776 Land $327,970 Building $293,806 |
| 2022 | $7,818.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133040021, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 22 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 7 (1980–2023) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Mar 2023 · rainfall accumulation |
| Claims by Event |
|
| Wildfire Risk | Moderate above 65% of the US · lower than 60% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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, availability as of December 31, 2025 · sampled at 114 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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