Harris County property record for 4122 Grennoch Ln, Houston, TX 77025
| Property Type | Government / Public Use |
|---|---|
| Details | 3 bd · 2 ba · 2,209 sqft · built 1955 |
| Lot Size | 0.219 acres (9,545 sqft) |
| Owner | 2 Company Names on File |
| Flood Zone | Zone AE (high risk) |
| APN | 073-004-033-0010 |
| Primary APN | 073-004-033-0010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,209 sqft Gross Area |
| 1st Floor Area | 2,209 sqft |
| Game Room | Game Room |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Lot Area | 9,545 sqft (0.219 acres) |
| View / Lot | Neighborhood |
| Garage Type | Detached |
| Garage Area | 528 sqft |
| Porch | Open Frame Porch |
| Porch Area | 265 sqft |
| Patio Area | 256 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0730040330010 |
|---|---|
| Street Address | 4122 GRENNOCH LN |
| City | HOUSTON |
| State | TX |
| Zip | 77025-2303 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Legal Description | LT 10 BLK 19 AYRSHIRE SEC 9 |
| Legal Subdivision | AYRSHIRE SEC 9 |
| Legal Block | 19 |
| Legal Lot Number | 10 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 413000 |
4122 Grennoch Ln, a public works property, is owned by a company that acquired it in February 2003.
Source: Harris County records, as of September 29, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 9900 NORTHWEST FWY, HOUSTON, TX 77092-8601 |
| Owner Type | Company |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 26, 2003 |
| Deed Sale | Feb 26, 2003 |
| Deed Document Number | 2003457735 |
| Deed Book / Page | 56363 / 1766 |
| Record Updated | Oct 29, 2026 |
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) |
FEMA maps place 4122 Grennoch Ln 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 | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 418 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 418 in force |
| Nearby Flood Claims | 513 (1979–2024) |
| Claims Outside the SFHA | 77 of 513 |
| Most Recent Claim | Jul 2024 · other causes |
| 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.
The area around 4122 Grennoch Ln 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 489 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 | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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