Harris County property record for 3431 Mainer St, Houston, TX 77021
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,000 sqft · built 2024 |
| Lot Size | 0.057 acres (2,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $406,980 (Dec 2025) |
| Tax Bill | $8,430 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 142-408-001-0002 |
| Primary APN | 142-408-001-0002 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 2,000 sqft Living Area |
| 1st Floor Area | 800 sqft |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Exterior Material | Combination |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 2,500 sqft (0.057 acres) |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | 1424080010002 |
|---|---|
| Street Address | 3431 MAINER ST |
| City | HOUSTON |
| State | TX |
| Zip | 77021-5533 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 2 BLK 1 DEEN ESTATES AT MAINER |
| Legal Subdivision | DEEN ESTATES AT MAINER |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 313802 |
3431 Mainer St is owned by a company that bought it in December 2025.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2914 COTTON STOCK DR, SUGAR LAND, TX 77479-1212 |
| Owner Type | Company |
| Vesting | Limited Liability 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 |
|---|---|
| Last Sale | Dec 2, 2025 · Amount on File |
| Deed Sale | Dec 2, 2025 · Amount on File |
| Prior Sale | Sep 2, 2025 |
| Deed Document Number | 2025474387 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3431 Mainer St was $8,430.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Municipality | Houston City |
| Unified School District | Houston Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $370,686 (-6.55%) Land $66,750 Building $303,936 | $370,686 (-6.55%) Land $66,750 Building $303,936 | |
| 2025 | $8,430.00 | $396,676 Land $56,738 Building $339,938 | $396,676 Land $56,738 Building $339,938 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3431 Mainer St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2017.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2017) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2017 · Hurricane Harvey |
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 3431 Mainer 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 HOUSTON serves 2,970,543 people · EPA ID TX1010013 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2025 |
| Lead | 5 ppb (2024) action level 15 ppb |
| Water Quality | Turbidity resolved · May 2025 |
|---|---|
| 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 270 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 | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures