Harris County property record for 21811 Long Castle Dr, Spring, TX 77388
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,199 sqft · built 1999 |
| Lot Size | 0.227 acres (9,900 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,162 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 116-331-007-0014 |
| Primary APN | 116-331-007-0014 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 13 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,199 sqft Living Area |
| 1st Floor Area | 1,948 sqft |
| Attic | Attic |
| Attic Area | 251 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 9,900 sqft (0.227 acres) |
| View / Lot | Neighborhood |
| Garage Area | 719 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 332 sqft |
| Patio Area | 304 sqft |
| Shed | 1 Shed |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1163310070014 |
|---|---|
| Street Address | 21811 LONG CASTLE DR |
| City | SPRING |
| State | TX |
| Zip | 77388-3484 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 14 & S 1/2 OF LTS 13 BLK 7 WINDSOR FOREST R/P |
| Legal Subdivision | WINDSOR FOREST R/P |
| Legal Block | 7 |
| Legal Lot Number | 14,13 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | NORTHWEST HARRIS |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 555102 |
21811 Long Castle Dr is owned and occupied by an individual who acquired it in August 2020.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21811 LONG CASTLE DR, SPRING, TX 77388-3484 |
| 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 Transfer Date | Aug 27, 2020 |
| Transfer Doc | 0000396855 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 21811 Long Castle Dr was $1,162 with a homeowner's exemption, up 300.7% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Unified School District | Klein Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $342,486 (-1.1%) Land $51,975 Building $290,511 | $342,486 (-1.1%) Land $51,975 Building $290,511 | |
| 2025 | $1,162.00 (+300.69%) Homeowner's exemption | $346,303 Land $51,975 Building $294,328 | $346,303 Land $51,975 Building $294,328 |
| 2024 | $290.00 | ||
| 2023 | $343,871 Land $51,975 Building $291,896 | $343,871 Land $51,975 Building $291,896 | |
| 2022 | $229.00 | ||
| 2020 | $1,284.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21811 Long Castle Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim 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 62 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 62 in force |
| Nearby Flood Claims | 1 (2009) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 2009 · rainfall accumulation |
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 21811 Long Castle Dr is low, with 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 67% of the US · lower than 91% of Texas |
|---|---|
| Wildfire Likelihood | 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 | MEADOWHILL REGIONAL MUD serves 13,863 people · EPA ID TX1010387 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jul 2025 |
| Lead | Under 1 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 540 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures