New Home Construction at 12421 Saint Thomas Dr, Austin
12421 SAINT THOMAS DR, 78617
What was permitted
For those curious about the cost of building a new home in Austin, this mechanical permit offers a glimpse into a single-family residence project. The 'Callahan 830-P-L' is a new one-story home featuring four bedrooms, two bathrooms, an attached two-car garage, and covered entry porch and patio.
This mechanical permit was issued on July 7, 2026, and is active, with Protex Plumbing and Mechanical listed as the contractor. The estimated cost for constructing a new 4-bedroom home of this nature in Austin generally ranges from $250,000 to $500,000.
The construction of a new one-story, 4-bedroom, 2-bathroom home in Austin, including a garage and outdoor spaces, is estimated to cost between $250,000 and $500,000.
What it cost
Issued
July 7, 2026
Expires
December 15, 2026
License
Mechanical Contractor
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Filed by Protex Plumbing and Mechanical
View the official permit record
Tracking number, work description, cost, and dates
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View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | 2026-053940 MP |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Mechanical Permit · New |
| Status | Active |
| Job Description | Callahan 830-P-L Is a New one-story single family residence with (4) bedrooms (2) bathrooms an attached two-car garage and a covered entry porch and patio. |
| Floor / Unit | — |
| Estimated Cost | Not reported |
| Approved | April 7, 2026 |
| Issued | July 7, 2026 |
| Expires | December 15, 2026 |
| BBL | — |
| BIN | — |