Harris County property record for 500 Mason St, Tomball, TX 77375
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,178 sqft · built 1950 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,029 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-266-044-0017 |
| Primary APN | 035-266-044-0017 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,178 sqft Living Area |
| 1st Floor Area | 1,178 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 2012 |
| Architectural Style | Traditional |
| Exterior Material | Combination |
| Construction Type | Wood |
| Foundation Type | Raised |
| Lot Area | 7,000 sqft (0.161 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Garage Area | 312 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 1,149 sqft |
| Patio Area | 300 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0352660440017 |
|---|---|
| Street Address | 500 MASON ST |
| City | TOMBALL |
| State | TX |
| Zip | 77375-4450 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LTS 17 & 18 BLK 44 TOMBALL |
| Legal Subdivision | TOMBALL |
| Legal Block | 44 |
| Legal Lot Number | 17,18 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | NORTHWEST HARRIS |
| Census Block Group | 1 |
| Census Block | 1035 |
| Census Tract | 555403 |
500 Mason St is owned by two individuals who acquired it in August 2023.
Source: Harris County records, as of September 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 10430 MIDDLEROSE LN, HOUSTON, TX 77070-3486 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Oct 13, 2011 |
| Deed Sale | Oct 13, 2011 |
| Prior Sale | Sep 15, 2005 · Amount on File |
| Deed Document Number | 2011431381 |
| Deed Book / Page | 2722 / 104 |
| Last Transfer Date | Aug 25, 2023 |
| Transfer Doc | 0000378834 |
| Record Updated | Oct 29, 2026 |
| Document Type | Transfer on Death Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Oct 3, 2023 |
| Property Address | 500 MASON ST, TOMBALL, TX 77375-4450 |
| Document Number | 0000378834 |
| Map Reference | VOL 2 PG 36 |
| Instrument Date | Sep 25, 2023 |
| Instrument | 2023-378834 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 10430 MIDDLEROSE LN, HOUSTON, TX 77070-3486 |
The 2025 property tax bill for 500 Mason St was $4,029, up 95.3% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Municipality | Tomball City |
| Unified School District | Tomball Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $226,093 (+25.6%) Land $84,000 Building $142,093 | $226,093 (+25.6%) Land $84,000 Building $142,093 | |
| 2025 | $4,029.00 (+95.3%) | $180,010 Land $42,000 Building $138,010 | $180,010 Land $42,000 Building $138,010 |
| 2024 | $2,063.00 | ||
| 2023 | $176,424 Land $42,000 Building $134,424 | $176,424 Land $42,000 Building $134,424 | |
| 2022 | $1,809.00 | ||
| 2020 | $1,267.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 500 Mason St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2024.
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 25 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 2 (2024) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | May 2024 · Severe Storms, Straight-line Winds, Tornadoes, And Flooding |
| 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 500 Mason St 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 | CITY OF TOMBALL serves 17,532 people · EPA ID TX1010026 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | 14 ppb (2024–2026) 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 445 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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