Williamson County property record for 2603 Sinclair St, Round Rock, TX 78681
| Property Type | Mobile Home |
|---|---|
| Details | 1,056 sqft · built 2002 |
| Owner | 2 Individual Names on File |
| Tax Bill | $994 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R428798 |
| Primary APN | R428798 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,056 sqft Living Area |
| 1st Floor Area | 1,056 sqft |
| Year Built | Built 2002 |
|---|---|
| Architectural Style | Mobile/Manufactured |
| Deck Area | 16 sqft |
| Total Buildings | 2 Buildings |
| Account Number | R428798 |
|---|---|
| Street Address | 2603 SINCLAIR ST |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-7332 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | MOBILE HOME ONLY GEORGE BLESSING'S MOBILE HOME PARK, BLOCK D, LOT 9, SERIAL # TXFL212A85567BH13, LABEL # PFS0746399, |
| Legal Subdivision | GEORGE BLESSINGS MHP |
| Legal Block | D |
| Legal Lot Number | 9 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 20512 |
Source: Williamson County records · APN R428798
Assessment roll updated August 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2603 SINCLAIR ST, ROUND ROCK, TX 78681-7332 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 27, 2016 |
| Deed Sale | Dec 27, 2016 |
| Record Updated | Jun 08, 2026 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $994.00 | $69,201 (-20.6%) Building $69,201 | $69,201 (-20.6%) Building $69,201 |
| 2023 | $87,151 Building $87,151 | $87,151 Building $87,151 | |
| 2021 | $443.00 |
Source: FEMA National Flood Hazard Layer as of October 5, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Electronic Corporate Pages, Google Fiber, Radiate Holdings, SOS Communications.
Based on FCC filings for 377 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | BLESSING MOBILE HOME PARK private · serves 1,518 people |
|---|---|
| Water Source | Purchased surface water from CITY OF ROUND ROCK |
| Last State Inspection | Jul 2024 |
| Lead | 4 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 11 last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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