Williamson County property record for 610 Circle Ave, Round Rock, TX 78664 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 1 ba · 736 sqft · built 1940 |
| Lot Size | 0.21 acres (9,150 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $2,708 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5500-0001-0037 |
| Primary APN | R-16-5500-0001-0037 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 736 sqft Living Area |
| 1st Floor Area | 736 sqft |
| Flooring | Wood |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1988 |
| Exterior Material | Asbestos |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Lot Area | 9,150 sqft (0.21 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R074475 |
|---|---|
| Street Address | 610 CIRCLE AVE |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-4413 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | STARKFIELD, BLOCK 1, LOT 37 |
| Legal Subdivision | STARKFIELD |
| Legal Block | 1 |
| Legal Lot Number | 37 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 20701 |
Source: Williamson County records · APN R-16-5500-0001-0037
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 | Owner Name on File |
|---|---|
| Mailing Address | 610 CIRCLE AVE, ROUND ROCK, TX 78664-4413 |
| Occupancy | Owner Occupied |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 24, 2012 |
| Deed Sale | Jul 24, 2012 |
| Prior Sale | Sep 04, 2007 |
| Deed Document Number | 2012058266 |
| 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 | $2,708.00 (+16.52%) Homeowner's exemption | $313,564 (+15.46%) Land $203,405 Building $110,159 | $313,564 (+15.46%) Land $203,405 Building $110,159 |
| 2023 | $2,324.00 (-15.92%) Homeowner's exemption | $271,577 Land $193,614 Building $77,963 | $271,577 Land $193,614 Building $77,963 |
| 2022 | $2,764.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910207011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 8 (1984–1991) |
| Most Recent Claim | Jan 1991, river or lake flooding |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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, availability as of December 31, 2025 · Published October 2026 · based on 247 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Google Fiber | Fiber | 8,000 / 8,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: AT&T, SOS Communications, Spectrum, Optimum Communications. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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