COMPANY RECORD · AUSTIN, TX
S I Mechanical, LLC — permit history in Austin, TX
S I Mechanical, LLC appears on 280 Austin permit records from 2019 through 2026, most often mechanical / hvac (58.6% of the record).
Permit categories
| Category | Permits | Share |
|---|---|---|
| Mechanical / HVAC | 164 | 58.6% |
| Plumbing | 115 | 41.1% |
| 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 | 45 |
Busiest year on record: 2021, with 52 permits. One project can account for several filings, so read this as filing activity rather than workload.
PROJECTS AHEAD SEARCH
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This page is a snapshot of S I Mechanical, LLC. The search behind it holds more than 394,837 Austin permits naming a contractor, since 2019: 126,183 electrical permits, 101,396 building permits, 95,896 plumbing permits, 71,362 mechanical (HVAC) permits.
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Named on the same permit
| Name in source | Linked permits | Last seen |
|---|---|---|
| Swinerton Builders Inc. | 30 | 2026-10-30 |
| Structure Tone | 25 | 2026-08-17 |
| Novo Construction **Main | 18 | 2026-10-15 |
| Jamail & Smith Construction | 11 | 2025-05-16 |
| American Constructors, Lp***Main | 11 | 2024-07-30 |
| The Whiting-Turner Contracting Company ***Main | 11 | 2024-08-12 |
| Turner Construction | 11 | 2021-05-27 |
| 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 |
39 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 |
|---|---|
| 5601 MENCHACA RD | 2026-10-30 |
| 6433 CHAMPION GRANDVIEW WAY BLDG 2 | 2026-10-15 |
| 6433 CHAMPION GRANDVIEW WAY BLDG 1 | 2026-10-15 |
| 11800 ALTERRA PKWY UNIT FLR1 | 2026-08-17 |
| 11801 TANGLEBRIAR TRL | 2026-07-09 |
| 8601 TALLWOOD DR | 2026-06-30 |
| 1712 E 11TH ST | 2026-05-15 |
| 3700 CONVICT HILL RD | 2026-05-11 |
| 11800 ALTERRA PKWY UNIT FLR12 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR16 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR9 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR14 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR13 | 2026-03-04 |
| 11800 ALTERRA PKWY UNIT FLR11 | 2026-03-04 |
172 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.
Also named on permits at the same addresses
| Company | Shared addresses | Years |
|---|---|---|
| Airco Mechanical | 20 | 2019–2026 |
| J.S. Electric, Inc. | 14 | 2019–2026 |
| Jamail & Smith Construction | 14 | 2019–2026 |
| Swinerton Builders Inc. | 13 | 2019–2026 |
| Stellar Plumbing Inc | 13 | 2019–2026 |
| Mechanical Technical Services LP | 11 | 2019–2026 |
| Ampology Electrical Services LLC | 11 | 2021–2026 |
| Lighthouse Electrical | 10 | 2019–2025 |
Companies that also appear in Austin permit records at addresses where S I Mechanical, LLC filed, in any year. Sharing an address is a documented co-appearance, not proof that they worked on the same project or with each other.
Permits on record
280 permits; open the 50 most recent
| Permit | Issued | Category | Address in source | Scope as filed | Declared value |
|---|---|---|---|---|---|
| 2026-090786 PP | 2026-10-30 | Plumbing | 5601 MENCHACA RD | ||
| 2026-132282 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 2 | ||
| 2026-132281 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 2 | ||
| 2026-131167 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 1 | ||
| 2026-132283 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 2 | ||
| 2026-131166 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 1 | ||
| 2026-131168 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 1 | ||
| 2026-132284 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 2 | ||
| 2026-131165 MP | 2026-10-15 | Mechanical / HVAC | 6433 CHAMPION GRANDVIEW WAY BLDG 1 | ||
| 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 | ||
| 2026-055683 MP | 2026-05-15 | Mechanical / HVAC | 1712 E 11TH ST | ||
| 2026-010361 MP | 2026-05-11 | Mechanical / HVAC | 3700 CONVICT HILL RD | ||
| 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 | ||
| 2026-002543 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR9 | ||
| 2026-002557 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR14 | ||
| 2026-002554 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR13 | ||
| 2026-002548 PP | 2026-03-04 | Plumbing | 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 | ||
| 2026-002564 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR16 | ||
| 2026-002567 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002561 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR15 | ||
| 2026-002554 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR13 | ||
| 2026-002561 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR15 | ||
| 2026-002545 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR10 | ||
| 2026-002567 PP | 2026-03-04 | Plumbing | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002543 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR9 | ||
| 2026-002548 MP | 2026-03-04 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR11 | ||
| 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 | ||
| 2026-002566 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR17 | ||
| 2026-002535 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-002537 MP | 2026-02-09 | Mechanical / HVAC | 11800 ALTERRA PKWY UNIT FLR1 | ||
| 2026-002534 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 | ||
| 2026-002536 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 PP | 2025-09-08 | Plumbing | 825 E HOWARD LN | ||
| 2025-044011 MP | 2025-09-08 | Mechanical / HVAC | 825 E HOWARD LN |
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 →
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