Williamson County property record for 510 Gregory Ct, Round Rock, TX 78664
| Property Type | Duplex |
|---|---|
| Details | 2.5 ba · 1,228 sqft · built 1994 |
| Lot Size | 0.094 acres (4,098 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,678 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R163577000E0017A |
| Primary APN | R163577000E0017A |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,228 sqft Living Area |
| 1st Floor Area | 1,228 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | Duplex Single |
| Exterior Material | Combination |
| Roof Type | Hip |
| Lot Area | 4,098 sqft (0.094 acres) |
| Garage Area | 240 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 95 sqft |
| Patio Area | 40 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R163577000E0017 |
|---|---|
| Street Address | 510 GREGORY CT |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-2282 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | TF |
| Legal Description | S3380 - CHAPEL HILL NORTH SEC 3, BLOCK E, LOT 17(E/PT) |
| Legal Subdivision | CHAPEL HILL NORTH SEC 3 |
| Legal Block | E |
| Legal Lot Number | 17 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 21502 |
510 Gregory Ct, a duplex, is owned by two individuals.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3304 E ELIDA ST, TUCSON, AZ 85716-3223 |
| 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 | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 510 Gregory Ct was $4,678.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Municipality | Round Rock City |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,678.00 | $233,587 Land $38,500 Building $195,087 | $233,587 Land $38,500 Building $195,087 |
| 2023 | $4,097.00 (-13.98%) | $233,613 Land $38,500 Building $195,113 | $233,613 Land $38,500 Building $195,113 |
| 2022 | $4,763.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 510 Gregory Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 510 Gregory Ct 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 ROUND ROCK serves 130,662 people · EPA ID TX2460003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2023 |
| Lead | 5 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| 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 538 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Astound Broadband, Hotwire Communications, SOS Communications, VTX Communications.
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