San Joaquin County property record for 18764 W Byron Rd, Mountain House, CA 95391 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,327 sqft · built 1985 |
| Lot Size | 3.81 acres (165,964 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $750,000 (Oct 2003) |
| Tax Bill | $11,368 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-040-040-000 |
| Primary APN | 209-040-040-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 2,327 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 165,964 sqft (3.81 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 209-040-04 |
|---|---|
| Street Address | 18764 W BYRON RD |
| City | TRACY |
| State | CA |
| Zip | 95391-9713 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TWP 02S RGE 04E SEC 04 QTR NW4 |
| Legal Block | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 5221 |
Source: San Joaquin County records · APN 209-040-040-000
Assessment roll updated September 24, 2025 · Last verified August 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 | 922 SAN BENITO RD, BERKELEY, CA 94707-2437 |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 15, 2003 · Amount on Record |
| Deed Sale | Oct 15, 2003 · Amount on Record |
| Deed Document Number | 2003237017 |
| Last Transfer Date | Jun 25, 2024 |
| Transfer Doc | 0000000315 |
| Record Updated | Sep 20, 2026 |
Source: San Joaquin County records · Assessment roll updated September 24, 2025 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Municipality | Mountain House City |
| Unified School District | Lammersville Joint Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $11,368.00 (+3.43%) | $1,066,299 (+4.04%) Land $710,868 Building $355,431 | |
| 2023 | $10,991.00 (+1.65%) | $1,024,895 Land $683,265 Building $341,630 | $998,370 |
| 2022 | $10,813.00 |
Source: FEMA National Flood Hazard Layer, San Joaquin County (06077C), updated September 27, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060770052211, 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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | About 1 in 305 per year |
| Exposure | Direct burnable vegetation at the parcel |
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 · Published October 2026 · based on 466 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 2,000 |
| Zinnia Networks | Fixed Wireless (unlicensed) | 400 / 80 |
| UnWired Broadband Holding | Fixed Wireless (unlicensed) | 400 / 50 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Cal.net | Fixed Wireless (licensed-by-rule) | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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