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

CategoryPermitsShare
Mechanical / HVAC15857.5%
Plumbing11642.2%
General construction10.36%

3 categories, as classified by the issuing authority. Small categories stay visible rather than being rounded away.

Activity by year

YearPermits issued
201943
202021
202152
202228
202328
202437
202526
202640

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 sourceLinked permitsLast seen
Swinerton Builders Inc.312026-06-29
Structure Tone252026-08-17
Jamail & Smith Construction122026-06-30
Turner Construction112021-05-27
The Whiting-Turner Contracting Company ***Main112024-08-12
American Constructors, Lp***Main112024-07-30
Novo Construction **Main102026-02-10
Si Mechanical LLC102024-04-30
Robins & Morton82021-12-08
Trimbuilt Construction, Inc.62023-09-15
Structure Tone Southwest **Main62025-09-08
Percheron Construction, LLC52022-06-15

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 sourceMost recent permit
11800 ALTERRA PKWY UNIT FLR12026-08-17
11801 TANGLEBRIAR TRL2026-07-09
8601 TALLWOOD DR2026-06-30
5601 MENCHACA RD2026-06-29
8900 SHOAL CREEK BLVD UNIT 1352026-06-15
1712 E 11TH ST2026-05-15
3700 CONVICT HILL RD2026-05-11
11800 ALTERRA PKWY UNIT FLR102026-03-04
11800 ALTERRA PKWY UNIT FLR152026-03-04
11800 ALTERRA PKWY UNIT FLR132026-03-04
11800 ALTERRA PKWY UNIT FLR162026-03-04
11800 ALTERRA PKWY UNIT FLR92026-03-04
11800 ALTERRA PKWY UNIT FLR172026-03-04
11800 ALTERRA PKWY UNIT FLR142026-03-04

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
PermitIssuedCategoryAddress in sourceScope as filedDeclared value
2026-002536 PP2026-08-17Plumbing11800 ALTERRA PKWY UNIT FLR1
2026-080956 MP2026-07-09Mechanical / HVAC11801 TANGLEBRIAR TRL
2026-077368 MP2026-06-30Mechanical / HVAC8601 TALLWOOD DR
2026-052321 MP2026-06-29Mechanical / HVAC5601 MENCHACA RD
2026-074833 MP2026-06-15Mechanical / HVAC8900 SHOAL CREEK BLVD UNIT 135
2026-074833 PP2026-06-15Plumbing8900 SHOAL CREEK BLVD UNIT 135
2026-067098 PP2026-06-11Plumbing5601 MENCHACA RD
2026-067098 MP2026-06-11Mechanical / HVAC5601 MENCHACA RD
2026-055683 MP2026-05-15Mechanical / HVAC1712 E 11TH ST
2026-010361 MP2026-05-11Mechanical / HVAC3700 CONVICT HILL RD
2026-002545 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR10
2026-002561 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR15
2026-002554 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR13
2026-002564 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR16
2026-002543 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR9
2026-002567 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR17
2026-002554 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR13
2026-002557 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR14
2026-002551 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR12
2026-002564 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR16
2026-002548 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR11
2026-002557 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR14
2026-002545 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR10
2026-002561 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR15
2026-002548 PP2026-03-04Plumbing11800 ALTERRA PKWY UNIT FLR11
2026-002567 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR17
2026-002543 MP2026-03-04Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR9
2026-002551 MP2026-02-27Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR12
2025-163378 MP2026-02-10Mechanical / HVAC12500 TECH RIDGE BLVD
2026-002536 MP2026-02-09Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR1
2025-093851 MP2026-02-09Mechanical / HVAC701 E PARMER LN BLDG 2
2026-002537 MP2026-02-09Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR1
2026-002535 MP2026-02-09Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR1
2026-002566 MP2026-02-09Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR17
2026-002534 MP2026-02-09Mechanical / HVAC11800 ALTERRA PKWY UNIT FLR1
2026-010651 PP2026-02-05Plumbing2815 KENTISH DR
2026-002566 PP2026-02-04Plumbing11800 ALTERRA PKWY UNIT FLR17
2026-005596 PP2026-01-22Plumbing5601 MENCHACA RD
2026-004161 PP2026-01-22Plumbing4128 S 1ST ST
2025-095430 MP2026-01-14Mechanical / HVAC701 E PARMER LN BLDG 3
2025-115345 PP2025-11-21Plumbing11815 ALTERRA PKWY UNIT FLR8
2025-115345 MP2025-11-20Mechanical / HVAC11815 ALTERRA PKWY UNIT FLR8
2025-117175 MP2025-09-23Mechanical / HVAC701 E PARMER LN BLDG PS2
2025-044011 MP2025-09-08Mechanical / HVAC825 E HOWARD LN
2025-044011 PP2025-09-08Plumbing825 E HOWARD LN
2025-003430 MP2025-09-08Mechanical / HVAC825 E HOWARD LN
2025-077771 PP2025-07-10Plumbing5601 MENCHACA RD
2025-076164 PP2025-06-20Plumbing4103 W SLAUGHTER LN
2024-166021 MP2025-06-19Mechanical / HVAC2818 METCALFE RD
2025-050995 PP2025-05-30Plumbing5601 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 →