Williamson County property record for 15817 Garrison Cir, Austin, TX 78717
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,867 sqft · built 1999 |
| Lot Size | 0.25 acres (10,883 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $502,300 (Oct 2018) |
| Tax Bill | $8,911 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-5982-000C-0023 |
| Primary APN | R-16-5982-000C-0023 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,867 sqft Living Area |
| 1st Floor Area | 1,744 sqft |
| 2nd Floor Area | 1,123 sqft |
| Flooring | Carpet |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Brick Veneer |
| Roof Material | Other |
| Lot Area | 10,883 sqft (0.25 acres) |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 55 sqft |
| Patio Area | 142 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R165982000C0023 |
|---|---|
| Street Address | 15817 GARRISON CIR |
| City | AUSTIN |
| State | TX |
| Zip | 78717-3053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S6988 - WOODS OF BRUSHY CREEK SEC 6 PH 2, BLOCK C, LOT 23 |
| Legal Subdivision | WOODS OF BRUSHY CREEK SEC 6 PH 2 |
| Legal Block | C |
| Legal Lot Number | 23 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 20517 |
15817 Garrison Cir is owned and occupied by two individuals who acquired it in April 2024.
Source: Williamson County records, as of September 11, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 15817 GARRISON CIR, AUSTIN, TX 78717-3053 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 29, 2018 · Amount on File |
| Deed Sale | Oct 29, 2018 · Amount on File |
| Prior Sale | Apr 19, 2018 · Amount on File |
| Deed Document Number | 201896151 |
| Last Transfer Date | Apr 17, 2024 |
| Transfer Doc | 0000031125 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 15817 GARRISON CIR, AUSTIN, TX 78717-3053 |
| Transaction Type | Mortgage |
| Record Updated | Feb 16, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|
| Document Number | 0000015348 |
|---|---|
| Date | Feb 3, 2022 |
| Instrument | 2022015348 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Feb 1, 2037 |
The 2025 property tax bill for 15817 Garrison Cir was $8,911 with a homeowner's exemption.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,911.00 Homeowner's exemption | $591,059 Land $101,000 Building $490,059 | $591,059 Land $101,000 Building $490,059 |
| 2023 | $8,006.00 (-4.74%) Homeowner's exemption | $521,637 Land $105,000 Building $416,637 | $521,637 Land $105,000 Building $416,637 |
| 2022 | $8,404.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 15817 Garrison Cir in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 5, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 15817 Garrison Cir is low, with 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 80% of the US · lower than 94% of Texas |
|---|---|
| Wildfire Likelihood | 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 | BRUSHY CREEK MUD serves 18,314 people · EPA ID TX2460061 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | 1 ppb (2023–2025) 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 327 locations within half a mile, as of December 31, 2025
| 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 Fixed Wireless | 100 / 20 |
May also be available: Western Broadband.
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