Williamson County property record for 15400 Interlachen Dr, Austin, TX 78717
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,920 sqft · built 2008 |
| Lot Size | 0.059 acres (2,590 sqft) |
| Owner | Individual Name on File |
| Last Sale | $293,800 (May 2019) |
| Tax Bill | $10,938 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage May 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-3021-000A-0029 |
| Primary APN | R-16-3021-000A-0029 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,920 sqft Living Area |
| 1st Floor Area | 975 sqft |
| 2nd Floor Area | 945 sqft |
| Flooring | Tile |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2008 |
| Exterior Material | Stone |
| Roof Material | Other |
| Lot Area | 2,590 sqft (0.059 acres) |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 25 sqft |
| Patio Area | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R163021000A0029 |
|---|---|
| Street Address | 15400 INTERLACHEN DR |
| City | AUSTIN |
| State | TX |
| Zip | 78717-3869 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S8150 - AVERY RANCH GARDEN HOMES PUD, BLOCK A, LOT 29, [TU PCTS] |
| Legal Subdivision | AVERY RANCH GARDEN HOMES PUD |
| Legal Block | A |
| Legal Lot Number | 29 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 20516 |
15400 Interlachen Dr is owned by an individual who bought it in May 2019.
Source: Williamson County records, as of September 11, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 7576 SHADOWHILL LN, CUPERTINO, CA 95014-5052 |
| 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.
| Date | Document |
|---|---|
| Oct 29, 2020 | Deed of Trust, Mortgage · Conventional Mortgage SOUTHWEST FUNDING LP |
| May 16, 2019 | Vendor's Lien, Transfer · Balloon Mortgage FIRST TECHNOLOGY FEDERAL CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 16, 2019 · Amount on File |
| Deed Sale | May 16, 2019 · Amount on File |
| Prior Sale | Feb 19, 2015 · Amount on File |
| Deed Document Number | 201942425 |
| Prior Transfer Date | May 15, 2019 |
| Prior Transfer Doc | 0000042425 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 15400 INTERLACHEN DR, AUSTIN, TX 78717-3869 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000133785 |
|---|---|
| Date | Oct 29, 2020 |
| Instrument | 2020133785 |
| Name | SOUTHWEST FUNDING LP |
|---|---|
| Type | Mortgage Company |
| Address | DALLAS, TX 75240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2050 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Recording Date | May 16, 2019 |
| Property Address | 15400 INTERLACHEN DR, AUSTIN, TX 78717-3869 |
| Document Number | 0000042425 |
| Map Reference | DOC 2003070472 |
| Instrument Date | May 15, 2019 |
| Instrument | 2019042425 |
| Transaction Type | Transfer |
| Record Updated | Dec 6, 2021 |
| Title Company | ITC |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 6127 E FM 243, 6127, BERTRAM, TX 78605-3843 |
| Name | Verified Name |
|---|---|
| Address | 7576 SHADOWHILL LN, CUPERTINO, CA 95014-5052 |
| Document Number | 0000042426 |
|---|---|
| Date | May 16, 2019 |
| Instrument | 2019042426 |
| Name | FIRST TECHNOLOGY FEDERAL CU |
|---|---|
| Type | Credit Union |
| Special Notes | Seller Financed |
| Type | Balloon Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jun 1, 2034 |
The 2025 property tax bill for 15400 Interlachen Dr was $10,938.
Source: Williamson County assessment roll, as of September 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Williamson County |
| Unified School District | Round Rock Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,938.00 | $643,482 Land $150,500 Building $492,982 | $643,482 Land $150,500 Building $492,982 |
| 2023 | $10,317.00 (-15.03%) | $522,143 Land $160,000 Building $362,143 | $522,143 Land $160,000 Building $362,143 |
| 2022 | $12,142.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 15400 Interlachen Dr in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 5 in force |
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 15400 Interlachen Dr 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 AUSTIN WATER & WASTEWATER serves 1,115,323 people · EPA ID TX2270001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Turbidity resolved · Feb 2022 |
|---|---|
| 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 555 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Google Fiber Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Astound Broadband, VTX Communications, Western Broadband.
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