COMPANY RECORD · AUSTIN, TX
S I Mechanical, LLC — permit history in Austin, TX
S I Mechanical, LLC appears on 275 Austin permit records from 2019 through 2026, most often mechanical / hvac (57.5% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 158 | 57.5% |
| Plumbing | 116 | 42.2% |
| General construction | 1 | 0.36% |
3 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.
Activity by year
| Year | Permits issued |
|---|---|
| 2019 | 43 |
| 2020 | 21 |
| 2021 | 52 |
| 2022 | 28 |
| 2023 | 28 |
| 2024 | 37 |
| 2025 | 26 |
| 2026 | 40 |
Busiest year on record: 2021, with 52 permits. One project can account for several filings, so read this as filing activity rather than workload.
Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| Swinerton Builders Inc. | 31 | 2026-06-29 |
| Structure Tone | 25 | 2026-08-17 |
| Jamail & Smith Construction | 12 | 2026-06-30 |
| Turner Construction | 11 | 2021-05-27 |
| The Whiting-Turner Contracting Company ***Main | 11 | 2024-08-12 |
| American Constructors, Lp***Main | 11 | 2024-07-30 |
| Novo Construction **Main | 10 | 2026-02-10 |
| Si Mechanical LLC | 10 | 2024-04-30 |
| Robins & Morton | 8 | 2021-12-08 |
| Trimbuilt Construction, Inc. | 6 | 2023-09-15 |
| Structure Tone Southwest **Main | 6 | 2025-09-08 |
| Percheron Construction, LLC | 5 | 2022-06-15 |
41 companies are named alongside S I Mechanical, LLC on the same Austin permit. A shared permit is a documented co-appearance, not proof of a current contract. Names appear as the authority published them.
Where they worked
| Address in source | Most recent permit |
|---|---|
| 11800 ALTERRA PKWY UNIT FLR1 | 2026-08-17 |
| 11801 TANGLEBRIAR TRL | 2026-07-09 |
| 8601 TALLWOOD DR | 2026-06-30 |
| 5601 MENCHACA RD | 2026-06-29 |
| 8900 SHOAL CREEK BLVD UNIT 135 | 2026-06-15 |
| 1712 E 11TH ST | 2026-05-15 |
| 3700 CONVICT HILL RD | 2026-05-11 |
| 11800 ALTERRA PKWY UNIT FLR10 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR15 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR13 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR16 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR9 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR17 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR14 | 2026-03-04 |
171 distinct addresses on record; the 14 most recent are shown. Addresses appear as the authority published them. A permit is a filing at an address, not a completed job there.
Permits on record
275 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 2026-002536 PP | 2026-08-17 | Plumbing | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-080956 MP | 2026-07-09 | Mechanical / HVAC | 11801 TANGLEBRIAR TRL | ||
| 2026-077368 MP | 2026-06-30 | Mechanical / HVAC | 8601 TALLWOOD DR | ||
| 2026-052321 MP | 2026-06-29 | Mechanical / HVAC | 5601 MENCHACA RD | ||
| 2026-074833 MP | 2026-06-15 | Mechanical / HVAC | 8900 SHOAL CREEK BLVD UNIT 135 | ||
| 2026-074833 PP | 2026-06-15 | Plumbing | 8900 SHOAL CREEK BLVD UNIT 135 | ||
| 2026-067098 PP | 2026-06-11 | Plumbing | 5601 MENCHACA RD | ||
| 2026-067098 MP | 2026-06-11 | Mechanical / HVAC | 5601 MENCHACA RD | ||
| 2026-055683 MP | 2026-05-15 | Mechanical / HVAC | 1712 E 11TH ST | ||
| 2026-010361 MP | 2026-05-11 | Mechanical / HVAC | 3700 CONVICT HILL RD | ||
| 2026-002545 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR10 | ||
| 2026-002561 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR15 | ||
| 2026-002554 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR13 | ||
| 2026-002564 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR16 | ||
| 2026-002543 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR9 | ||
| 2026-002567 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002554 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR13 | ||
| 2026-002557 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR14 | ||
| 2026-002551 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR12 | ||
| 2026-002564 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR16 | ||
| 2026-002548 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR11 | ||
| 2026-002557 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR14 | ||
| 2026-002545 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR10 | ||
| 2026-002561 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR15 | ||
| 2026-002548 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR11 | ||
| 2026-002567 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002543 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR9 | ||
| 2026-002551 MP | 2026-02-27 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR12 | ||
| 2025-163378 MP | 2026-02-10 | Mechanical / HVAC | 12500 TECH RIDGE BLVD | ||
| 2026-002536 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2025-093851 MP | 2026-02-09 | Mechanical / HVAC | 701 E PARMER LN BLDG 2 | ||
| 2026-002537 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-002535 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-002566 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002534 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-010651 PP | 2026-02-05 | Plumbing | 2815 KENTISH DR | ||
| 2026-002566 PP | 2026-02-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-005596 PP | 2026-01-22 | Plumbing | 5601 MENCHACA RD | ||
| 2026-004161 PP | 2026-01-22 | Plumbing | 4128 S 1ST ST | ||
| 2025-095430 MP | 2026-01-14 | Mechanical / HVAC | 701 E PARMER LN BLDG 3 | ||
| 2025-115345 PP | 2025-11-21 | Plumbing | 11815 ALTERRA PKWY UNIT FLR8 | ||
| 2025-115345 MP | 2025-11-20 | Mechanical / HVAC | 11815 ALTERRA PKWY UNIT FLR8 | ||
| 2025-117175 MP | 2025-09-23 | Mechanical / HVAC | 701 E PARMER LN BLDG PS2 | ||
| 2025-044011 MP | 2025-09-08 | Mechanical / HVAC | 825 E HOWARD LN | ||
| 2025-044011 PP | 2025-09-08 | Plumbing | 825 E HOWARD LN | ||
| 2025-003430 MP | 2025-09-08 | Mechanical / HVAC | 825 E HOWARD LN | ||
| 2025-077771 PP | 2025-07-10 | Plumbing | 5601 MENCHACA RD | ||
| 2025-076164 PP | 2025-06-20 | Plumbing | 4103 W SLAUGHTER LN | ||
| 2024-166021 MP | 2025-06-19 | Mechanical / HVAC | 2818 METCALFE RD | ||
| 2025-050995 PP | 2025-05-30 | Plumbing | 5601 MENCHACA RD |
Fields appear as the issuing authority published them, including spelling and blanks. Scope text is the applicant's description of intended work, not an inspection finding.
Source and limits
Public Austin permit records through 2026, counted by distinct permit number. This is a historical filing record: it cannot show current backlog, pricing, crew availability, licensing or insurance, and a quiet period may only mean work was filed elsewhere. Confirm anything commercial with the company and with the issuing authority before acting. How we build these records, and what we withhold →
