Harris County property record for 18100 Upper Bay Rd, Houston, TX 77058
| Property Type | Commercial Office |
|---|---|
| Details | 26,500 sqft · built 1973 |
| Lot Size | 1.31 acres (57,499 sqft) |
| Owner | Company Name on File |
| Tax Bill | $17,509 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 040-211-001-0004 |
| Primary APN | 040-211-001-0004 |
|---|---|
| Alternative APNs |
|
| Units | 151 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 26,500 sqft Gross Area |
| 1st Floor Area | 13,250 sqft |
| Elevator | Elevator |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Multi-Level |
| Exterior Material | Concrete |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 57,499 sqft |
| View / Lot | Highway |
| Canopy | 2,804 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0402110010004 |
|---|---|
| Street Address | 18100 UPPER BAY RD |
| City | HOUSTON |
| State | TX |
| Zip | 77058-3548 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Legal Description | TR 4 ABST 13 S DEEL |
| Legal Subdivision | ABST 13 S DEEL |
| Legal Tract | 4 |
| Legal Block | 3 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 341204 |
18100 Upper Bay Rd, a commercial property, is owned by a company.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 675 BERING DR, 825, HOUSTON, TX 77057-2141 |
| Owner Type | Company |
| Vesting | Partnership |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18100 Upper Bay Rd was $17,509, up 77.5% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Municipality | Nassau Bay City |
| Unified School District | Clear Creek Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $820,827 (+6.34%) Land $574,990 Building $245,837 | $820,827 (+6.34%) Land $574,990 Building $245,837 | |
| 2025 | $17,509.00 (+77.47%) | $771,896 Land $459,992 Building $311,904 | $771,896 Land $459,992 Building $311,904 |
| 2024 | $9,866.00 | ||
| 2023 | $771,278 Land $459,992 Building $311,286 | $771,278 Land $459,992 Building $311,286 | |
| 2022 | $9,191.00 | ||
| 2020 | $11,095.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18100 Upper Bay Rd in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 13.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 272 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 329 units insured incl. 57 condo units |
| Nearby Flood Claims | 35 (2001–2024) |
| Claims Outside the SFHA | 9 of 35 |
| Most Recent Claim | Jul 2024 · Hurricane Beryl |
| 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 18100 Upper Bay Rd 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 NASSAU BAY serves 5,347 people · EPA ID TX1010152 |
|---|---|
| Water Source | Purchased surface water from CLEAR LAKE CITY WATER AUTHORITY |
| Last State Inspection | Nov 2025 |
| Lead | 6 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 317 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Rural Telecommunications of America Fixed Wireless | 300 / 150 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, T-Mobile.
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