Harris County property record for 18359 Westlock St, Tomball, TX 77377
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,740 sqft · built 2000 |
| Lot Size | 0.101 acres (4,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $75,000 (Sep 2002) |
| Tax Bill | $6,643 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 120-492-001-0011 |
| Primary APN | 120-492-001-0011 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,740 sqft Living Area |
| 1st Floor Area | 750 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Frame |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 4,400 sqft (0.101 acres) |
| View / Lot | Primary |
| Garage Area | 240 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 650 sqft |
| Deck Area | Deck Area |
| Patio Area | 200 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1204920010011 |
|---|---|
| Street Address | 18359 WESTLOCK ST |
| City | TOMBALL |
| State | TX |
| Zip | 77377-7934 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 11 BLK 1 WESTBOURNE SEC 3 |
| Legal Subdivision | WESTBOURNE SEC 3 |
| Legal Block | 1 |
| Legal Lot Number | 11 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | NORTHWEST HARRIS |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 555504 |
18359 Westlock St is owned by two individuals who bought it in September 2002.
Source: Harris County records, as of September 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 22520 ERIEL AVE, TORRANCE, CA 90505-3006 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Sep 18, 2002 · Amount on File |
| Deed Sale | Sep 18, 2002 · Amount on File |
| Prior Sale | Aug 18, 2000 · Amount on File |
| Deed Document Number | 200288727 |
| Deed Book / Page | 55667 / 1060 |
| Prior Transfer Date | Sep 13, 2002 |
| Prior Transfer Doc | 000W088727 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18359 Westlock St was $6,643, up 177.1% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Unified School District | Tomball Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $291,109 (+2.14%) Land $40,040 Building $251,069 | $291,109 (+2.14%) Land $40,040 Building $251,069 | |
| 2025 | $6,643.00 (+177.14%) | $285,000 Land $40,040 Building $244,960 | $285,000 Land $40,040 Building $244,960 |
| 2024 | $2,397.00 | ||
| 2023 | $319,964 Land $40,040 Building $279,924 | $319,964 Land $40,040 Building $279,924 | |
| 2022 | $2,297.00 | ||
| 2020 | $1,463.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18359 Westlock St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2017.
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 47 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 47 in force |
| Nearby Flood Claims | 2 (2017–2024) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2024 · Hurricane Beryl |
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.
Wildfire risk around 18359 Westlock St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.3% of Texas |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | NORTHWEST HARRIS COUNTY MUD 15 serves 6,915 people · EPA ID TX1011600 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Nov 2025 |
| 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 209 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Astound Broadband, Ezee Fiber, Spectrum.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures