Mechanical New Build at 3400 Southill Cir, Austin
3400 SOUTHILL CIR, 78703
What was permitted
This permit is for the new construction of a detached accessory structure in Austin, specifically a 1-story pool house. The structure will be accessory to a primary residence and will include a full bathroom.
Issued on July 1, 2026, this mechanical permit is active. Mastercraft Air Systems is listed as the mechanical contractor for this new pool house construction.
Property owners in Austin considering new accessory dwelling units or pool houses should note the scope of this new construction, including a full bath, and the contractor Mastercraft Air Systems.
What it cost
Issued
July 1, 2026
Expires
December 23, 2026
License
Mechanical Contractor
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Filed by Mastercraft Air Systems
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 | 2026-033798 MP |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Mechanical Permit · New |
| Status | Active |
| Job Description | New construction accessory to primary use detached 1-story pool house with full bath. |
| Floor / Unit | — |
| Estimated Cost | Not reported |
| Approved | January 23, 2026 |
| Issued | July 1, 2026 |
| Expires | December 23, 2026 |
| BBL | — |
| BIN | — |