Williamson County property record for 8121 Darwin Cv, Austin, TX 78729 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bathrooms | 2 Baths |
| Year Built | Built 1994 |
| Square Footage | 2,416 sqft Living Area |
| Garage | 440 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $6,421.00 (2025) |
| Primary APN | R-16-4658-000B-0032 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Building Area | 2,416 sqft Living Area |
| 1st Floor | 1,029 sqft 1st Floor |
| 2nd Floor | 1,387 sqft 2nd Floor |
| Stories | 2 Stories |
| Primary Flooring | Carpet Flooring |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1994 |
| Exterior Material | Stone Exterior |
| Foundation Type | Mat/Raft Foundation (Slab) Foundation |
| Roof Construction | Hip Roof Construction |
| Parking Spaces | 2 Parking Spaces |
| Garage Area | 440 sqft Garage |
| Patio Area | 40 sqft Patio |
| Porch | Open Porch |
| Porch Area | 250 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Account Number | R331526 |
|---|---|
| Street Address | 8121 DARWIN CV |
| City | AUSTIN |
| State | TX |
| Zip | 78729-7499 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | MILWOOD SEC 38-A, BLOCK B, LOT 32 |
| Legal Subdivision | MILWOOD |
| Legal Block | B |
| Legal Lot Number | 32 |
| Jurisdiction | WILLIAMSON TX |
| Minor Civil Division | ROUND ROCK-GEORGETOWN |
| Census Blockgroup | 1 |
| Census Block | 1019 |
| Census Tract | 20411 |
Source: Williamson County records · APN R-16-4658-000B-0032
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 | 8121 DARWIN CV, AUSTIN, TX 78729-7499 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Nov 24, 2025 | Deed of Trust, Mortgage · Line of Credit UNITED HERITAGE CU |
| Feb 03, 2021 | Deed of Trust, Mortgage · Line of Credit UNITED HERITAGE CU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 17, 1993 |
| Deed Sale | Sep 17, 1993 |
| Deed Doc Number | 0002377877 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 8121 DARWIN CV, AUSTIN, TX 78729-7499 |
| Transaction Type | Mortgage |
| Record Updated | Dec 10, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0000092923 |
|---|---|
| Date | Nov 24, 2025 |
| Instrument | 2025092923 |
| Name | UNITED HERITAGE CU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78759 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Nov 24, 2045 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WILLIAMSON TX |
| Property Address | 8121 DARWIN CV, AUSTIN, TX 78729-7499 |
| Transaction Type | Mortgage |
| Record Updated | Feb 15, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000016778 |
|---|---|
| Date | Feb 03, 2021 |
| Instrument | 2021016778 |
| Name | UNITED HERITAGE CU |
|---|---|
| Type | Credit Union |
| Address | AUSTIN, TX 78758 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
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 | $6,421.00 (-0.36%) Homeowner's exemption Senior Citizen's exemption | $538,365 (+13.05%) Land $105,000 Building $433,365 | $538,365 (+13.05%) Land $105,000 Building $433,365 |
| 2023 | $6,444.00 (-14.02%) Homeowner's exemption | $476,222 Land $105,000 Building $371,222 | $476,222 Land $105,000 Building $371,222 |
| 2022 | $7,495.00 |
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