Harris County property record for 3630 Mainer St, Houston, TX 77021
| Property Type | Vacant Land |
|---|---|
| Details | 2 bd · 1 ba · 1,200 sqft · built 1950 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,550 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-151-038-0007 |
| Primary APN | 074-151-038-0007 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,200 sqft Living Area |
| 1st Floor Area | 1,200 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Traditional |
| Exterior Material | Concrete Block |
| Construction Type | Frame |
| Lot Area | 5,000 sqft (0.115 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Porch | Porch |
| Porch Area | 144 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0741510380007 |
|---|---|
| Street Address | 3630 MAINER ST |
| City | HOUSTON |
| State | TX |
| Zip | 77021-6127 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Legal Description | LT 7 BLK 38 SOUTH END SUNNYSIDE U/R |
| Legal Subdivision | SOUTH END SUNNYSIDE U/R |
| Legal Block | 38 |
| Legal Lot Number | 7 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 313802 |
3630 Mainer St, vacant land, is owned and occupied by an individual who acquired it in June 2013.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3630 MAINER ST, HOUSTON, TX 77021-6127 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Jun 11, 2013 |
| Deed Sale | Jun 11, 2013 |
| Prior Sale | Jun 11, 2013 |
| Deed Document Number | 2013287389 |
| Deed Book / Page | 087-44 / 3059 |
| Prior Transfer Date | Apr 8, 2013 |
| Prior Transfer Doc | 20130287387 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3630 Mainer St was $2,550, up 10.8% 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 | $120,000 (-) Land $120,000 | $120,000 (-) Land $120,000 | |
| 2025 | $2,550.00 (+10.82%) | $120,000 Land $120,000 | $120,000 Land $120,000 |
| 2024 | $2,301.00 | ||
| 2023 | $105,000 Land $105,000 | $105,000 Land $105,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3630 Mainer St in Zone X, an area of minimal flood risk.
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 | 2 in force |
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 3630 Mainer St 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 99.1% of the US · lower than 99.3% 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 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 735 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless 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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