Harris County property record for 3818 Alder Pass Ct, Katy, TX 77449
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,235 sqft · built 2002 |
| Lot Size | 0.158 acres (6,900 sqft) |
| Owner | Individual Name on File |
| Last Sale | $285,152 (Mar 2026) |
| Tax Bill | $6,892 (2025) |
| Deeds & Mortgages | Mar 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 121-592-001-0013 |
| Primary APN | 121-592-001-0013 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 16 Plumbing Fixtures |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 3,235 sqft Living Area |
| 1st Floor Area | 1,589 sqft |
| Game Room | Game Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Traditional |
| Exterior Material | Brick |
| Construction Type | Frame |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 6,900 sqft (0.158 acres) |
| View / Lot | Primary |
| Garage Area | 300 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Porch Area | 343 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1215920010013 |
|---|---|
| Street Address | 3818 ALDER PASS CT |
| City | KATY |
| State | TX |
| Zip | 77449-7501 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 13 BLK 1 WESTFIELD SEC 11 |
| Legal Subdivision | WESTFIELD SEC 1 |
| Legal Block | 1 |
| Legal Lot Number | 13 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 542002 |
3818 Alder Pass Ct is owned and occupied by an individual who bought it in March 2026.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3818 ALDER PASS CT, KATY, TX 77449-7501 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Woman, Separate Property |
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 | Mar 2, 2026 · Amount on File |
| Deed Sale | Mar 2, 2026 · Amount on File |
| Prior Sale | Sep 1, 2005 · Amount on File |
| Deed Document Number | 202677617 |
| Prior Transfer Date | Aug 26, 2005 |
| Prior Transfer Doc | 000Y738158 |
| Record Updated | Oct 29, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Mar 2, 2026 |
| Property Address | 3818 ALDER PASS CT, KATY, TX 77449-7501 |
| Document Number | 0000077617 |
| Map Reference | MF 468105 |
| Instrument Date | Feb 27, 2026 |
| Instrument | 2026-77617 |
| Transaction Type | Transfer |
| Record Updated | May 19, 2026 |
| Title Company | CAPITAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3818 ALDER PASS CT, KATY, TX 77449-7501 |
| Document Number | 0000077618 |
|---|---|
| Date | Mar 2, 2026 |
| Instrument | 2026-77618 |
| Name | CASO INC |
|---|---|
| Type | Non-Lending Institution |
| Address | HOUSTON, TX 77072 |
| Special Notes | Seller Financed |
| Amount | Amount on Record |
|---|---|
| Term | 60 Months |
| Due | Mar 1, 2031 |
The 2025 property tax bill for 3818 Alder Pass Ct was $6,892, up 41.5% 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 | $331,829 (-6.25%) Land $55,890 Building $275,939 | $331,829 (-6.25%) Land $55,890 Building $275,939 | |
| 2025 | $6,892.00 (+41.46%) Homeowner's exemption | $353,942 Land $55,890 Building $298,052 | $353,942 Land $55,890 Building $298,052 |
| 2024 | $4,872.00 | ||
| 2023 | $387,395 Land $55,890 Building $331,505 | $387,395 Land $55,890 Building $331,505 | |
| 2022 | $4,147.00 | ||
| 2020 | $4,635.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3818 Alder Pass Ct in Zone X, an area of minimal flood risk.
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 7 (15% premium discount) |
| Nearby Flood Policies | 14 in force |
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 3818 Alder Pass 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 | MAYDE CREEK MUD serves 5,301 people · EPA ID TX1011689 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2023 |
| Lead | 2 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| 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 743 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 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Ezee Fiber, Hotwire Communications, T-Mobile.
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