Harris County property record for 3425 Mainer St, Houston, TX 77021
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,489 sqft · built 1947 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $251,794 (Jan 2025) |
| Tax Bill | $4,921 (2025) |
| Deeds & Mortgages | Dec 2023 Transfer Oct 2019 Construction Loan + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-152-088-0023 |
| Primary APN | 074-152-088-0023 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,489 sqft Living Area |
| 1st Floor Area | 1,489 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Traditional |
| Exterior Material | Combination |
| Construction Type | Metal Frame |
| Foundation Type | Raised |
| Lot Area | 5,000 sqft (0.115 acres) |
| View / Lot | Neighborhood |
| Garage Type | Carport |
| Garage Area | 448 sqft |
| Carport | Carport |
| Carport Area | 448 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Frame Porch |
| Porch Area | 345 sqft |
| Deck Area | 320 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0741520880023 |
|---|---|
| Street Address | 3425 MAINER ST |
| City | HOUSTON |
| State | TX |
| Zip | 77021-5533 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 23 BLK 88 SOUTH UNION SEC 1 |
| Legal Subdivision | SOUTH UNION SEC 1 |
| Legal Block | 88 |
| Legal Lot Number | 23 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 313802 |
3425 Mainer St is owned by a company that bought it in January 2025.
Source: Harris County records, as of October 1, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 630962, HOUSTON, TX 77263-0962 |
| 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.
| Date | Document |
|---|---|
| Dec 5, 2023 | Intrafamily Transfer, Transfer |
| Oct 16, 2019 | Warranty Deed, Construction Loan · Construction Mortgage JAMES E ALM |
| Aug 27, 2019 | Warranty Deed, Transfer NOT AVAILABLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 7, 2025 · Amount on File |
| Deed Sale | Jan 7, 2025 · Amount on File |
| Prior Sale | Dec 5, 2024 |
| Deed Document Number | 20256113 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Dec 5, 2023 |
| Property Address | 3425 MAINER ST, HOUSTON, TX 77021-5533 |
| Document Number | 0000456759 |
| Map Reference | VOL 29 PG 70 |
| Instrument Date | Oct 9, 2023 |
| Instrument | 2023-456759 |
| Transaction Type | Transfer |
| Record Updated | Dec 13, 2023 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Oct 16, 2019 |
| Property Address | 3425 MAINER ST, HOUSTON, TX 77021-5533 |
| Document Number | 0000458402 |
| Instrument Date | Oct 15, 2019 |
| Instrument | 458402 |
| Transaction Type | Construction Loan |
| Record Updated | Oct 28, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 8488 KATY FWY #450 HOUSTON TX 77024, 450, HOUSTON, TX 77024 |
| Document Number | 458403 |
|---|---|
| Date | Oct 16, 2019 |
| Instrument | 458403 |
| Name | JAMES E ALM |
|---|---|
| Address | 53 WYNDEN OAKS DR, HOUSTON, TX 77056-2512 |
| Type | Construction Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 12 Months |
| Due | Oct 15, 2020 |
| Rate | 12% |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Aug 27, 2019 |
| Property Address | 3425 MAINER ST, HOUSTON, TX 77021-5533 |
| Document Number | 0000377848 |
| Instrument Date | Jul 6, 2019 |
| Instrument | 377848 |
| Transaction Type | Transfer |
| Record Updated | Sep 4, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 11507 DUNLAP ST HOUSTON TX 770352319, HOUSTON, TX 77035-2319 |
The 2025 property tax bill for 3425 Mainer St was $4,921, down 12.6% 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 | $226,608 (-2.14%) Land $105,000 Building $121,608 | $226,608 (-2.14%) Land $105,000 Building $121,608 | |
| 2025 | $4,921.00 (-12.62%) | $231,566 Land $105,000 Building $126,566 | $231,566 Land $105,000 Building $126,566 |
| 2024 | $5,632.00 | ||
| 2023 | $269,211 Land $100,000 Building $169,211 | $269,211 Land $100,000 Building $169,211 | |
| 2022 | $5,424.00 | ||
| 2020 | $2,839.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3425 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 3425 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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