Harris County property record for 21802 Alta Peak Way, Katy, TX 77449
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,464 sqft · built 2010 |
| Lot Size | 0.223 acres (9,699 sqft) |
| Owner | Individual Name on File |
| Last Sale | $160,900 (Jan 2011) |
| Tax Bill | $7,593 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 128-572-002-0028 |
| Primary APN | 128-572-002-0028 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 3,464 sqft Living Area |
| 1st Floor Area | 2,100 sqft |
| Game Room | Game Room |
| Year Built | Built 2010 |
|---|---|
| Effective Year Built | Effective 2010 |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 9,699 sqft (0.223 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Concrete/Masonry Porch |
| Porch Area | 66 sqft |
| Patio Area | 121 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 1285720020028 |
|---|---|
| Street Address | 21802 ALTA PEAK WAY |
| City | KATY |
| State | TX |
| Zip | 77449-4859 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 28 BLK 2 MASON LAKES SEC 3 |
| Legal Subdivision | MASON LAKES SEC 3 |
| Legal Block | 2 |
| Legal Lot Number | 28 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 542202 |
21802 Alta Peak Way is owned and occupied by an individual who bought it in January 2011.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21802 ALTA PEAK WAY, KATY, TX 77449-4859 |
| 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 | Jan 31, 2011 · Amount on File |
| Deed Sale | Jan 31, 2011 · Amount on File |
| Prior Sale | Sep 20, 2010 |
| Deed Document Number | 201142598 |
| Deed Book / Page | 2172 / 2023 |
| Prior Transfer Date | Jan 28, 2011 |
| Prior Transfer Doc | 20110042598 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21802 Alta Peak Way was $7,593 with a homeowner's exemption, up 60.7% from the year before.
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 | $368,066 (-4.33%) Land $53,279 Building $314,787 | $368,066 (-4.33%) Land $53,279 Building $314,787 | |
| 2025 | $7,593.00 (+60.7%) Homeowner's exemption | $384,738 Land $53,279 Building $331,459 | $384,738 Land $53,279 Building $331,459 |
| 2024 | $4,725.00 | ||
| 2023 | $407,936 Land $48,543 Building $359,393 | $407,936 Land $48,543 Building $359,393 | |
| 2022 | $4,029.00 | ||
| 2020 | $4,591.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21802 Alta Peak Way in Zone X, an area of minimal flood risk, though there have been 5 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 95 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 95 in force |
| Nearby Flood Claims | 5 (2017) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Aug 2017 · Hurricane Harvey |
| 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.
Wildfire risk around 21802 Alta Peak Way is moderate, ranking above 46% of the US, with a 0.08% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 80% of Texas |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Direct burnable vegetation |
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 | HARRIS COUNTY MUD 71 serves 17,079 people · EPA ID TX1011823 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2025 |
| Lead | 4 ppb (2026) 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 221 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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