Williamson County property record for 15420 Interlachen Dr, Austin, TX 78717 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,255 sqft · built 2011 |
| Lot Size | 0.23 acres (10,054 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,236 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R501669 |
| Primary APN | R501669 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Total Rooms | 2 Rooms |
| Stories | 2 Stories |
| Building Area | 2,255 sqft Living Area |
| 1st Floor Area | 937 sqft |
| 2nd Floor Area | 1,318 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2011 |
|---|---|
| Effective Year Built | Effective 2012 |
| Exterior Material | Combination |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 10,054 sqft (0.23 acres) |
| Garage Area | 409 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 16 sqft |
| Patio Area | 9 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R501669 |
|---|---|
| Street Address | 15420 INTERLACHEN DR |
| City | AUSTIN |
| State | TX |
| Zip | 78717-3869 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S9851 - AVERY RANCH GARDEN HOMES PUD (BLK A LTS 23-24 AMD), BLOCK A, LOT 24A, ACRES 0.2308 |
| Legal Subdivision | AVERY RANCH GARDEN HOMES PUD A |
| Legal Block | A |
| Legal Lot Number | 23,24A 24 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 20516 |
Source: Williamson County records · APN R501669
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 | Company Name on File |
|---|---|
| Mailing Address | 15420 INTERLACHEN DR, AUSTIN, TX 78717-3869 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 18, 2011 |
| Deed Sale | Nov 18, 2011 |
| Prior Sale | Nov 18, 2011 |
| Deed Document Number | 0000078515 |
| Last Transfer Date | Nov 23, 2015 |
| Transfer Doc | 0000102542 |
| Record Updated | Jun 08, 2026 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Williamson County |
| 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 | $7,236.00 (-5.09%) Homeowner's exemption Senior Citizen's exemption | $580,145 (-3.41%) Land $158,700 Building $421,445 | $580,145 (-3.41%) Land $158,700 Building $421,445 |
| 2023 | $7,624.00 (-5.41%) Homeowner's exemption Senior Citizen's exemption | $600,627 Land $184,000 Building $416,627 | $600,627 Land $184,000 Building $416,627 |
| 2022 | $8,060.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910205161, 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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 5 in force |
| 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 555 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Google Fiber | Fiber | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Electronic Corporate Pages, Radiate Holdings, Valley Telephone Cooperative, Inc. (TX), AT&T, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
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