What was permitted
A plumbing permit has been issued for a significant remodel at 5515 Duval St in Austin, aiming to convert an existing single-family home into a two-family property with an Accessory Dwelling Unit (ADU). This involves adding plumbing to create a separate living space in the rear structure.
The permit, issued on August 14, 2026, is active and the plumbing contractor is Landing Services LLC. This project includes modifying 750 sqft of the back downstairs to add a sink and associated plumbing, with no work in the original house or upstairs. The estimated cost for such a conversion, including plumbing and potential electrical upgrades for an additional meter, can be substantial.
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View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 2026-057378 PP |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Plumbing Permit · Addition and Remodel |
| Status | Active |
| Job description | Convert existing single family 2460 sqft house to a 2-family (single family with ADU-SFR in the rear) property. The original house is 960 sqft (new Bldg 1) 1500 sqft in the rear (new Bldg 2). Only the back 750 sqft downstairs will be modified (add sink and associated plumbing to make the back structure a separate dwelling unit. No work will be completed in the original house or the upstairs in the back. Need 1 additional electric meter (2 total) and NO TAP PLAN. |
| Floor / unit | — |
| Estimated cost | Not reported |
| Approved | December 23, 2025 |
| Issued | August 14, 2026 |
| Expires | March 21, 2027 |
| BBL | — |
| BIN | — |
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