Harris County property record for 18818 Shadowfax Trl, Tomball, TX 77377
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,379 sqft · built 2022 |
| Lot Size | 0.145 acres (6,331 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,655 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 145-561-001-0012 |
| Primary APN | 145-561-001-0012 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,379 sqft Living Area |
| 1st Floor Area | 2,379 sqft |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2022 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 6,331 sqft (0.145 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 1455610010012 |
|---|---|
| Street Address | 18818 SHADOWFAX TRL |
| City | TOMBALL |
| State | TX |
| Zip | 77377-3054 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 12 BLK 1 AMIRA SEC 21 |
| Legal Subdivision | AMIRA SEC 21 |
| Legal Block | 1 |
| Legal Lot Number | 12 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | NORTHWEST HARRIS |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 555600 |
18818 Shadowfax Trl is owned and occupied by an individual who acquired it in February 2023.
Source: Harris County records, as of September 29, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 18818 SHADOWFAX TRL, TOMBALL, TX 77377-3054 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 9, 2023 |
| Deed Sale | Feb 9, 2023 |
| Deed Document Number | 202344412 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18818 Shadowfax Trl was $5,655 with a homeowner's exemption, up 70.6% 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 | $368,596 (-3.84%) Land $75,496 Building $293,100 | $368,596 (-3.84%) Land $75,496 Building $293,100 | |
| 2025 | $5,655.00 (+70.64%) Homeowner's exemption | $383,332 Land $75,496 Building $307,836 | $383,332 Land $75,496 Building $307,836 |
| 2024 | $3,314.00 | ||
| 2023 | $290,491 Land $75,496 Building $214,995 | $290,491 Land $75,496 Building $214,995 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18818 Shadowfax Trl in Zone X, an area of minimal flood risk, though there have been 52 flood claims nearby since 1987.
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 357 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 357 in force |
| Nearby Flood Claims | 52 (1987–2020) |
| Claims Outside the SFHA | 32 of 52 |
| Most Recent Claim | Aug 2020 · Tropical Storms Marco And Laura |
| 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 18818 Shadowfax Trl is moderate, ranking above 62% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 62% of the US · above 46% of Texas |
|---|---|
| Wildfire Likelihood | 0.2% 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 542 serves 2,592 people · EPA ID TX1013573 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2024 |
| Lead | Under 1 ppb (2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| 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 294 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Ezee Fiber.
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