Harris County property record for 18506 Upper Bay Rd, Houston, TX 77058
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5.5 ba · 5,316 sqft · built 1977 |
| Lot Size | 0.284 acres (12,350 sqft) |
| Owner | Company Name on File |
| Tax Bill | $25,860 (2025) |
| Deeds & Mortgages | Dec 2025 Sale Dec 2025 Transfer |
| Flood Zone | Zone AE (high risk) |
| APN | 098-480-000-0024 |
| Primary APN | 098-480-000-0024 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 3 Half Baths |
| Plumbing Fixtures | 19 Plumbing Fixtures |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 5,316 sqft Living Area |
| Gross Area | 5,661 sqft |
| 1st Floor Area | 2,813 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1988 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 12,350 sqft (0.284 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Garage Area | 805 sqft |
| Parking Spaces | 8 Parking Spaces |
| Pool Area | 648 sqft |
|---|---|
| Porch | Enclosed Frame Porch |
| Porch Area | 1,306 sqft |
| Deck Area | 1,186 sqft |
| Patio Area | 384 sqft |
| Outdoor Kitchen / BBQ | Outdoor Kitchen / BBQ |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0984800000024 |
|---|---|
| Street Address | 18506 UPPER BAY RD |
| City | HOUSTON |
| State | TX |
| Zip | 77058-4230 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 24 BLK 24 NASSAU BAY SEC 8 |
| Legal Subdivision | NASSAU BAY SEC 8 |
| Legal Block | 24 |
| Legal Lot Number | 24 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 341204 |
18506 Upper Bay Rd is owned by a company that acquired it in December 2025.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| 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 |
|---|---|
| Dec 23, 2025 | Special Warranty Deed, Transfer |
| Dec 23, 2025 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 23, 2025 |
| Deed Sale | Dec 23, 2025 |
| Prior Sale | Dec 23, 2025 |
| Deed Document Number | 2025505147 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Dec 23, 2025 |
| Property Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| Document Number | 0000505147 |
| Map Reference | VOL 132 PG 64 |
| Instrument Date | Dec 19, 2025 |
| Instrument | 2025-505147 |
| Transaction Type | Transfer |
| Record Updated | Jan 1, 2026 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| Name | Verified Name |
|---|---|
| Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Dec 23, 2025 |
| Property Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| Document Number | 0000505146 |
| Map Reference | VOL 132 PG 64 |
| Instrument Date | Mar 1, 2025 |
| Instrument | 2025-505146 |
| Transaction Type | Transfer |
| Record Updated | Jan 1, 2026 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
| Name | Verified Name |
|---|---|
| Address | 18506 UPPER BAY RD, HOUSTON, TX 77058-4230 |
The 2025 property tax bill for 18506 Upper Bay Rd was $25,860, up 134.3% 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 | $1,033,852 (-9.31%) Land $190,094 Building $843,758 | $1,033,852 (-9.31%) Land $190,094 Building $843,758 | |
| 2025 | $25,860.00 (+134.32%) Homeowner's exemption | $1,140,000 Land $190,094 Building $949,906 | $1,140,000 Land $190,094 Building $949,906 |
| 2024 | $11,036.00 | ||
| 2023 | $1,270,000 Land $190,094 Building $1,079,906 | $1,270,000 Land $190,094 Building $1,079,906 | |
| 2022 | $11,442.00 | ||
| 2020 | $10,218.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18506 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 | 15.0 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.
Wildfire risk around 18506 Upper Bay Rd is low, with less than 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 98% of the US · lower than 98.8% of Texas |
|---|---|
| Wildfire Likelihood | Under 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 | 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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