Harris County property record for 638 Aldersgate Ct, Katy, TX 77450
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,378 sqft · built 1974 |
| Lot Size | 0.153 acres (6,660 sqft) |
| Owner | Company Name on File |
| Last Sale | $120,000 (Jan 1997) |
| Tax Bill | $7,057 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 105-662-000-0028 |
| Primary APN | 105-662-000-0028 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,378 sqft Living Area |
| 1st Floor Area | 2,378 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 6,660 sqft (0.153 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Garage Area | 529 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Concrete/Masonry Porch |
| Porch Area | 225 sqft |
| Patio Area | 483 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1056620000028 |
|---|---|
| Street Address | 638 ALDERSGATE CT |
| City | KATY |
| State | TX |
| Zip | 77450-2201 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 28 BLK 3 NOTTINGHAM COUNTRY SEC 1 R/P |
| Legal Subdivision | NOTTINGHAM COUNTRY SEC 1 R/P |
| Legal Block | 3 |
| Legal Lot Number | 28 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 454600 |
638 Aldersgate Ct is owned by a company that bought it in January 1997 and is owner-occupied.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 638 ALDERSGATE CT, KATY, TX 77450-2201 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
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 | Jan 15, 1997 · Amount on File |
| Deed Sale | Jan 15, 1997 · Amount on File |
| Deed Document Number | 1997283563 |
| Deed Book / Page | 51150 / 3139 |
| Record Updated | Oct 29, 2026 |
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Unified School District | Katy Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $362,799 (+0.96%) Land $101,632 Building $261,167 | $362,799 (+0.96%) Land $101,632 Building $261,167 | |
| 2025 | $359,346 Land $101,632 Building $257,714 | $359,346 Land $101,632 Building $257,714 | |
| 2023 | $7,057.00 Homeowner's exemption Disabled Person's exemption Veteran's exemption Widower's exemption | $391,965 Land $101,632 Building $290,333 | $391,965 Land $101,632 Building $290,333 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 638 Aldersgate Ct in Zone X, an area of minimal flood risk, though there have been 12 flood claims nearby since 2009.
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 80 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 80 in force |
| Nearby Flood Claims | 12 (2009–2021) |
| Claims Outside the SFHA | 12 of 12 |
| Most Recent Claim | May 2021 · 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.
The area around 638 Aldersgate Ct 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 | MASON CREEK UTILITY DISTRICT serves 8,900 people · EPA ID TX1010379 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| 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 | 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 394 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
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