Williamson County property record for 1600 Robb Ln, Round Rock, TX 78664
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,749 sqft · built 1975 |
| Lot Size | 0.436 acres (18,985 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,284 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3780-0006-0007 |
| Primary APN | R-16-3780-0006-0007 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,749 sqft Living Area |
| 1st Floor Area | 1,749 sqft |
| Flooring | Carpet |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Stone |
| Roof Type | Gable |
| Lot Area | 18,985 sqft (0.436 acres) |
| Garage Area | 504 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 292 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Connected |
| Account Number | R16378000060007 |
|---|---|
| Street Address | 1600 ROBB LN |
| City | ROUND ROCK |
| State | TX |
| Zip | 78664-3032 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SF2 |
| Legal Description | EGGERS ACRES UNIT 3A, BLOCK 6, LOT 7 |
| Legal Subdivision | EGGERS ACRES UNIT 3A |
| Legal Block | 6 |
| Legal Lot Number | 7 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 21503 |
1600 Robb Ln is owned and occupied by two individuals.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1600 ROBB LN, ROUND ROCK, TX 78664-3032 |
| Occupancy | Owner Occupied |
| 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 1600 Robb Ln was $5,284 with a homeowner's exemption.
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 | $5,284.00 Homeowner's exemption | $346,503 Land $69,500 Building $277,003 | $346,503 Land $69,500 Building $277,003 |
| 2023 | $4,419.00 (-8.41%) Homeowner's exemption | $330,817 Land $80,000 Building $250,817 | $330,817 Land $80,000 Building $250,817 |
| 2022 | $4,825.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1600 Robb Ln in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 2013.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 4 (2013–2015) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, Straight-line Winds And Flooding |
| Claims by Event |
|
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.
Wildfire risk around 1600 Robb Ln is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.8% 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 494 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| 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 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Hotwire Communications, SOS Communications, VTX Communications.
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