Williamson County property record for 13203 Darwin Ln, Austin, TX 78729 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 3,591 sqft · built 1991 |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,319 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R-16-4650-000M-0013 |
| Primary APN | R-16-4650-000M-0013 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,591 sqft Living Area |
| 1st Floor Area | 1,641 sqft |
| 2nd Floor Area | 1,950 sqft |
| Flooring | Carpet |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1992 |
| Exterior Material | Brick Veneer |
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Hip |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 21 sqft |
| Patio Area | 100 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Account Number | R317862 |
|---|---|
| Street Address | 13203 DARWIN LN |
| City | AUSTIN |
| State | TX |
| Zip | 78729-7447 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MILWOOD SEC 31A, BLOCK M, LOT 13 |
| Legal Subdivision | MILWOOD |
| Legal Block | M |
| Legal Lot Number | 13 |
| Jurisdiction | WILLIAMSON TX |
| Township / Civil Division | ROUND ROCK-GEORGETOWN |
| Census Block Group | 1 |
| Census Block | 1027 |
| Census Tract | 20411 |
Source: Williamson County records · APN R-16-4650-000M-0013
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 13203 DARWIN LN, AUSTIN, TX 78729-7447 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 28, 2000 |
| Deed Sale | Jun 28, 2000 |
| Deed Document Number | 0200041781 |
| Record Updated | Jun 07, 2026 |
Source: Williamson County records · Assessment roll updated August 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | Texas |
| 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 | $4,319.00 (+1.17%) Homeowner's exemption Senior Citizen's exemption | $661,835 (+17.13%) Land $105,000 Building $556,835 | $661,835 (+17.13%) Land $105,000 Building $556,835 |
| 2023 | $4,269.00 (-32.86%) Homeowner's exemption Senior Citizen's exemption | $565,043 Land $105,000 Building $460,043 | $565,043 Land $105,000 Building $460,043 |
| 2022 | $6,358.00 |
Source: FEMA National Flood Hazard Layer, Williamson County (48491C), updated October 5, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 484910204111, 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 | 4 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 588 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| Electronic Corporate Pages | Fixed Wireless (unlicensed) | 200 / 40 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Google Fiber, AT&T, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
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