Harris County property record for 509 William Ave, Baytown, TX 77520
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 768 sqft · built 1945 |
| Lot Size | 0.132 acres (5,750 sqft) |
| Owner | Individual Name on File |
| Last Sale | $47,800 (May 2006) |
| Tax Bill | $1,588 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-085-006-0015 |
| Primary APN | 070-085-006-0015 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 768 sqft Living Area |
| 1st Floor Area | 768 sqft |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Bungalow |
| Exterior Material | Asbestos |
| Foundation Type | Raised |
| Lot Area | 5,750 sqft (0.132 acres) |
| View / Lot | Neighborhood |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0700850060015 |
|---|---|
| Street Address | 509 WILLIAM AVE |
| City | BAYTOWN |
| State | TX |
| Zip | 77520-2763 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 15 BLK 6 WEICKERSHEIMER COURT |
| Legal Subdivision | WEICKERSHEIMER COURT |
| Legal Block | 6 |
| Legal Lot Number | 15 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | BAYTOWN |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 254300 |
509 William Ave is owned and occupied by an individual who bought it in May 2006.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 509 WILLIAM AVE, BAYTOWN, TX 77520-2763 |
| 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 | May 11, 2006 · Amount on File |
| Deed Sale | May 11, 2006 · Amount on File |
| Deed Document Number | 2006293536 |
| Deed Book / Page | 2174 / 17 |
| Prior Transfer Date | May 4, 2006 |
| Prior Transfer Doc | 000Z293536 |
| Record Updated | Oct 29, 2026 |
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Baytown City |
| County | Harris County |
| Unified School District | Goose Creek Consolidated Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $102,631 (+12.44%) Land $37,555 Building $65,076 | $102,631 (+12.44%) Land $37,555 Building $65,076 | |
| 2025 | $91,280 Land $37,555 Building $53,725 | $91,280 Land $37,555 Building $53,725 | |
| 2023 | $1,588.00 Homeowner's exemption | $88,515 Land $37,555 Building $50,960 | $88,515 Land $37,555 Building $50,960 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 William Ave in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1981.
Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 14 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 8 (1981–2019) |
| Claims Outside the SFHA | 8 of 8 |
| Most Recent Claim | Sep 2019 · Tropical Storm Imelda |
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.
The area around 509 William Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | CITY OF BAYTOWN serves 86,004 people · EPA ID TX1010003 |
|---|---|
| Water Source | Purchased surface water from BAYTOWN AREA WATER AUTHORITY |
| Last State Inspection | Jul 2025 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 605 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Lyte Fiber Fiber | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Frontier, Optimum.
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