Williamson County property record for 1618 Saint Williams Loop, Round Rock, TX 78681
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 2,030 sqft · built 1977 |
| Lot Size | 0.398 acres (17,360 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $7,748 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | R-16-5190-000F-0026 |
| Primary APN | R-16-5190-000F-0026 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 2,030 sqft Living Area |
| 1st Floor Area | 2,030 sqft |
| Flooring | Carpet |
| Interior Walls | Finished/Painted |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1995 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Lot Area | 17,360 sqft |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
|---|---|
| Porch Area | 653 sqft |
| Patio Area | 50 sqft |
| Utility Building | 36 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R072296 |
|---|---|
| Street Address | 1618 SAINT WILLIAMS LOOP |
| City | ROUND ROCK |
| State | TX |
| Zip | 78681-5676 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ROUND ROCK WEST SEC 6A, BLOCK F, LOT 26 |
| Legal Subdivision | ROUND ROCK WEST |
| Legal Block | F |
| Legal Lot Number | 26 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 20503 |
Source: Williamson County records · APN R-16-5190-000F-0026
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 | 1618 SAINT WILLIAMS LOOP, ROUND ROCK, TX 78681-5676 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 23, 2015 |
| Deed Sale | Jun 23, 2015 |
| Deed Document Number | 2015052037 |
| 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 |
| Municipality | Round Rock City |
| 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 | $7,748.00 (+12.9%) Homeowner's exemption | $515,353 (+5.85%) Land $115,500 Building $399,853 | $515,353 (+5.85%) Land $115,500 Building $399,853 |
| 2023 | $6,863.00 (-5.06%) Homeowner's exemption | $486,885 Land $110,000 Building $376,885 | $486,885 Land $110,000 Building $376,885 |
| 2022 | $7,229.00 |
Source: FEMA National Flood Hazard Layer as of October 5, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 26 policies |
| Nearby Flood Policies | 26 in force |
| Nearby Flood Claims | 20 (1981–2011) |
| Claims Outside the SFHA | 3 of 20 |
| Most Recent Claim | Sep 2011 · other causes |
| Claims by Event |
|
| Wildfire Risk | Low lower than 96% of the US · lower than 97.9% of Texas |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: SOS Communications.
Based on FCC filings for 194 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 | CITY OF ROUND ROCK serves 130,662 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures