Harris County property record for 3453 Mainer St, Houston, TX 77021
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 6 ba · 1,900 sqft · built 2024 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $498,750 (Sep 2025) |
| Tax Bill | $5,177 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage Apr 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-152-088-0030 |
| Primary APN | 074-152-088-0030 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 6 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,900 sqft Living Area |
| 1st Floor Area | 1,900 sqft |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Architectural Style | Duplex Single |
| Exterior Material | Combination |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 5,000 sqft (0.115 acres) |
| Porch | Open Frame Porch |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0741520880030 |
|---|---|
| Street Address | 3453 MAINER ST, A |
| City | HOUSTON |
| State | TX |
| Zip | 77021-5533 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LT 30 BLK 88 SOUTH UNION SEC 1 |
| Legal Subdivision | SOUTH UNION SEC 1 |
| Legal Block | 88 |
| Legal Lot Number | 30 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 313802 |
3453 Mainer St is owned by an individual who bought it in September 2025.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 2455 DUNSTAN RD, 437, HOUSTON, TX 77005-2308 |
| Owner Type | Individual |
| Vesting | Unmarried |
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 |
|---|---|
| Sep 24, 2025 | Vendor's Lien, Transfer · Conventional Mortgage NEXBANK SSB |
| Apr 13, 2023 | Warranty Deed, Transfer FIDELITY NATIONAL TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 24, 2025 · Amount on File |
| Deed Sale | Sep 24, 2025 · Amount on File |
| Deed Document Number | 2025379459 |
| Record Updated | Oct 29, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Sep 24, 2025 |
| Property Address | 3453 MAINER ST, HOUSTON, TX 77021-5533 |
| Document Number | 0000379459 |
| Map Reference | VOL 29 PG 70 |
| Instrument Date | Sep 23, 2025 |
| Instrument | 2025-379459 |
| Transaction Type | Transfer |
| Record Updated | Oct 28, 2025 |
| Title Company | AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2455 DUNSTAN RD APT 437, 437, HOUSTON, TX 77005-2308 |
| Document Number | 0000379460 |
|---|---|
| Date | Sep 24, 2025 |
| Instrument | 2025-379460 |
| Name | NEXBANK SSB |
|---|---|
| Type | Bank |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.5% |
| Type Change Date | Oct 1, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 4.5% |
| Max Rate At Change | 8.5% |
| Index | SOFR Average 30-Day |
| Max Rate | 11.5% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Apr 13, 2023 |
| Property Address | 3453 MAINER ST, HOUSTON, TX 77021-5533 |
| Document Number | 0000130326 |
| Map Reference | VOL 29 PG 70 |
| Instrument Date | Apr 11, 2023 |
| Instrument | 2023-130326 |
| Transaction Type | Transfer |
| Record Updated | Oct 28, 2025 |
| Title Company | FIDELITY NATIONAL TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 406 WOODROW ST, SHREVEPORT, LA 71108-4032 |
| Name | Verified Name |
|---|---|
| Address | 1314 THREE FORKS DR, KATY, TX 77450-4403 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 3453 Mainer St was $5,177, up 147.5% from the year before.
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 | $398,868 (+63.71%) Land $105,000 Building $293,868 | $398,868 (+63.71%) Land $105,000 Building $293,868 | |
| 2025 | $5,177.00 (+147.47%) | $243,636 (+143.64%) Land $105,000 Building $138,636 | $243,636 (+143.64%) Land $105,000 Building $138,636 |
| 2024 | $2,092.00 (+3.87%) | $100,000 (-) Land $100,000 | $100,000 (-) Land $100,000 |
| 2023 | $2,014.00 | $100,000 Land $100,000 | $100,000 Land $100,000 |
| 2022 | $2,014.00 | ||
| 2020 | $809.00 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 3453 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 3453 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 |
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