Williamson County property record for 503 Bellview Ave, Round Rock, TX 78664
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.671 acres (29,229 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,987 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4480-0000-000C |
| Primary APN | R-16-4480-0000-000C |
|---|---|
| Alternative APNs |
|
| Lot Area | 29,229 sqft (0.671 acres) |
|---|
| Account Number | R1644800000000C |
|---|---|
| Street Address | 503 BELLVIEW AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-5862 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | SF2 |
| Legal Description | S4089 - MERCER MONROE, LOT A PT, ACRES 0.671 |
| Legal Subdivision | MERCER MONROE |
| Legal Block | 1 |
| Legal Lot Number | A |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1058 |
| Census Tract | 20701 |
Source: Williamson County records, as of September 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 15763 BONANZA DR, JUSTIN, TX 76247-6639 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $1,987.00 (+2.58%) | $110,485 (-) Land $110,485 | $110,485 (-) Land $110,485 |
| 2023 | $1,937.00 (+29.48%) | $110,485 Land $110,485 | $110,485 Land $110,485 |
| 2022 | $1,496.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1984–1991) |
| Most Recent Claim | Jan 1991 · river or lake flooding |
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.
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 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 66 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Google Fiber, SOS Communications.
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