Contra Costa County property record for 3810 Holway Dr, Byron, CA 94514
| Property Type | Rural Home |
|---|---|
| Lot Size | 1.15 acres (50,094 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $1,125,000 (Apr 2005) |
| Tax Bill | $1,343 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage Dec 2025 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 003-110-010 |
| Primary APN | 003-110-010 |
|---|---|
| Alternative APN |
|
| Lot Area | 50,094 sqft |
|---|
| Street Address | 3810 HOLWAY DR |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-1000 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | A2 |
| Legal Description | POR SEC 4 T1S R3E |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 04 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 304002 |
Source: Contra Costa County assessment roll, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 266, BYRON, CA 94514-0266 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Dec 31, 2025 | Intrafamily Transfer, Transfer · Conventional Mortgage A&D MORTGAGE LLC |
| Dec 31, 2025 | Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 27, 2005 · Amount on Record |
| Deed Sale | Apr 27, 2005 · Amount on Record |
| Deed Document Number | 2005147378 |
| Last Transfer Date | Dec 9, 2025 |
| Transfer Doc | 0000145208 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 31, 2025 |
| Property Address | 3810 HOLWAY DR, BYRON, CA 94514-1000 |
| Document Number | 0000145206 |
| Instrument Date | Dec 9, 2025 |
| Instrument | 2025- 145206 |
| Transaction Type | Transfer |
| Record Updated | Jan 12, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 266, BYRON, CA 94514-0266 |
| Document Number | 0000145207 |
|---|---|
| Date | Dec 31, 2025 |
| Instrument | 2025- 145207 |
| Name | A&D MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2056 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 31, 2025 |
| Property Address | 3810 HOLWAY DR, BYRON, CA 94514-1000 |
| Document Number | 0000145208 |
| Instrument Date | Dec 9, 2025 |
| Instrument | 2025- 145208 |
| Transaction Type | Transfer |
| Record Updated | Jan 12, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 266, BYRON, CA 94514-0266 |
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $120,984 (+2%) Land $120,984 | |
| 2025 | $1,343.00 (+4.76%) | $118,612 (+4.04%) Land $118,612 |
| 2023 | $1,282.00 (+1.58%) | $114,007 Land $114,007 |
| 2022 | $1,262.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 |
|
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 88 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Cal.net, Verizon.
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