Harris County property record for 509 Clarence St, Tomball, TX 77375
| Property Type | Warehouse, Storage |
|---|---|
| Details | 4,286 sqft · built 1986 |
| Lot Size | 0.321 acres (14,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $773,100 (Nov 2016) |
| Tax Bill | $8,944 (2025) |
| Deeds & Mortgages | Apr 2023 Mortgage Oct 2017 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-281-006-0001 |
| Primary APN | 035-281-006-0001 |
|---|---|
| Alternative APN |
|
| Building Area | 4,286 sqft Gross Area |
|---|---|
| 1st Floor Area | 4,286 sqft |
| Overhead Door | Overhead Door |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 2017 |
| Exterior Material | Metal |
| Construction Type | Steel Frame |
| Fire Resistance | Special |
| Lot Area | 14,000 sqft (0.321 acres) |
| Total Buildings | 2 Buildings |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0352810060001 |
|---|---|
| Street Address | 509 CLARENCE ST |
| City | TOMBALL |
| State | TX |
| Zip | 77375-4605 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | LT 1 BLK 1 TOMBALL R/P |
| Legal Subdivision | TOMBALL R/P |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | NORTHWEST HARRIS |
| Census Block Group | 3 |
| Census Block | 3023 |
| Census Tract | 555404 |
509 Clarence St, an industrial property, is owned by a company that bought it in November 2016.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 509 CLARENCE ST, TOMBALL, TX 77375-4605 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 17, 2023 | Deed of Trust, Mortgage · Commercial Mortgage FROST BANK |
| Oct 1, 2017 | Loan Modification, Mortgage ICON BK/TX NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 3, 2016 · Amount on File |
| Deed Sale | Nov 3, 2016 · Amount on File |
| Prior Sale | Apr 9, 2014 |
| Deed Document Number | 2016498794 |
| Prior Transfer Date | Oct 31, 2016 |
| Prior Transfer Doc | 20160498794 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | HARRIS TX |
| Property Address | 509 CLARENCE ST, TOMBALL, TX 77375-4605 |
| Transaction Type | Mortgage |
| Record Updated | Apr 25, 2023 |
| Title Company | STEWART TITLE |
| Name | Verified Name |
|---|---|
| Address | 509 CLARENCE ST, TOMBALL, TX 77375-4605 |
| Document Number | 0000135305 |
|---|---|
| Date | Apr 17, 2023 |
| Instrument | 2023-135305 |
| Name | FROST BANK |
|---|---|
| Type | Bank |
| Address | SAN ANTONIO, TX 78296 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | HARRIS TX |
| Property Address | 509 CLARENCE ST, TOMBALL, TX 77375-4605 |
| Document Number | 0000461706 |
| Instrument Date | Oct 1, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 16, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Document Number | 0000461706 |
|---|---|
| Date | Oct 20, 2017 |
| Instrument | 461706 |
| Name | ICON BK/TX NA |
|---|---|
| Type | Bank |
| Address | HOUSTON, TX 77064 |
| Amount | Amount on Record |
|---|---|
| Term | 300 Months |
| Due | Oct 19, 2042 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.75% |
The 2025 property tax bill for 509 Clarence St was $8,944.
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 | $501,126 (+17.77%) Land $168,000 Building $333,126 | $501,126 (+17.77%) Land $168,000 Building $333,126 | |
| 2025 | $8,944.00 | $425,528 Land $84,000 Building $341,528 | $425,528 Land $84,000 Building $341,528 |
| 2023 | $437,997 Land $84,000 Building $353,997 | $437,997 Land $84,000 Building $353,997 | |
| 2020 | $3,776.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 Clarence St in Zone X, an area of minimal flood risk, though there have been 7 flood claims nearby since 2016.
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 55 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 55 in force |
| Nearby Flood Claims | 7 (2016–2024) |
| Claims Outside the SFHA | 7 of 7 |
| 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 509 Clarence 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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