Welkin Mechanical LLC
Welkin Mechanical LLC is a diversified New York City contractor — 128 segment-eligible permits spanning 6 segments, led by multifamily alteration (49%) and multifamily fire protection (23%). Its permit record in New York City spans 2010–2026. Reliable permit valuations total ≈$7.0M (across the 28% of filings with a valuation we can stand behind).
- Market
- New York City
- Active
- 2010–2026 · 16 yrs
- Licence IDs on their permits
- 6
- Reliable value
- $7.0M
- Coverage
- 28%
- Reliable filings
- 20
- Rank in New York City
- #2,323
- Permits (all-time, all segments)
- 367
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- Jul 7, 2026
- 0001406
- 001406
- 002352
- 0612208
- 065595
- 612208
As named in the permit records — identifiers we surface, not verified state licensure.
Typical service area ~11 mi in New York City
The p90 footprint of where Welkin Mechanical LLC has pulled permits in New York City — drawn from all 367 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC367
Showing 20 of 128 permits by Welkin Mechanical LLC in the indexed window · most recent first
- Mar 10, 2026Temporary Construction Support205-10 Cross Island Parkway, Queens, NY 11360Construction Fence$1K
- Dec 16, 2025Temporary Construction Support205-10 Cross Island Parkway, Queens, NY 11360Construction Fence$1K
- Dec 16, 2024Temporary Construction Support205-10 Cross Island Parkway, Queens, NY 11360Construction Fence$1K
- Mar 15, 2024Multifamily Alteration2945 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—applied Jun 29, 2023
- Mar 15, 2024Multifamily Alteration2935 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—applied Jun 27, 2023
- Mar 7, 2024Multifamily Alteration267 Osborne Street, Brooklyn, NY 11212Alteration$153K
- Mar 7, 2024Temporary Construction Support205-10 Cross Island Parkway, Queens, NY 11360Construction Fence$1K
- Mar 6, 2024Multifamily Alteration3309 Surf Avenue, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2975 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2960 West 31st Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2950 West 35th Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2950 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2940 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2940 West 31st Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2839 West 33rd Street, Brooklyn, NY 11224HVAC / Mechanical—
- Mar 6, 2024Multifamily Alteration2820 West 32nd Street, Brooklyn, NY 11224HVAC / Mechanical—
- Feb 12, 2024Multifamily Alteration267 Osborne Street, Brooklyn, NY 11212Alteration$153K
- Jan 16, 2024Temporary Construction Support267 Osborn Street, Brooklyn, NY 11212Construction Fence$10K
- Apr 21, 2023Temporary Construction Support205-10 Cross Island Parkway, Queens, NY 11360Construction Fence$1K
- Mar 31, 2023Multifamily Alteration25 Water Street, Manhattan, NY 10004HVAC / Mechanical$270K
Addresses where Welkin Mechanical LLC has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.
- Orbit Plbg & Htg INC4,768 multifamily alteration
- The Plumbing Company INC3,247 multifamily alteration
- G. Bauer, INC3,151 multifamily alteration
- Abilene, INC3,137 multifamily alteration
- C C Controlled Combustion2,605 multifamily alteration
- P.S.I. Mechanical2,439 multifamily alteration
Put Welkin Mechanical LLC on your call list.
Watch this contractor above for a daily email when they pull a new permit — or open the whole New York City book: every ranked contractor, enriched and parcel-joined.