Sentinel Builders, LLC
Sentinel Builders, LLC is a diversified New York City contractor — 90 segment-eligible permits spanning 4 segments, led by commercial hvac (43%) and commercial alteration (29%). Its permit record in New York City spans 2014–2026. Reliable permit valuations total ≈$13.8M (across the 60% of filings with a valuation we can stand behind). Filing activity is down 50% over the last 90 days versus the prior 90.
- Market
- New York City
- Active
- 2014–2026 · 12 yrs
- Licenses on file
- 2
- Reliable value
- $13.8M
- Coverage
- 60%
- Reliable filings
- 56
- Rank in New York City
- #4,526
- Permits (all-time, all segments)
- 185
- Filings 90d
- 2
- Filings 30d
- 0
- Latest permit
- Jun 29, 2026
- 0612870
- 612870
As named in the permit records — identifiers we surface, not verified state licensure.
Typical service area ~8 mi in New York City
The p90 footprint of where Sentinel Builders, LLC has pulled permits in New York City — drawn from all 185 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- NYC185
Showing 20 of 90 permits by Sentinel Builders, LLC in the indexed window · most recent first
- Jun 29, 2026Commercial HVAC20 West 74 Street, Manhattan, NY 10023HVAC / Mechanical$27K
- Jun 29, 2026Commercial Alteration20 West 74 Street, Manhattan, NY 10023Alteration$64K
- May 8, 2026Commercial Alteration159-19 Horace Harding Expressway, Queens, NY 11365Alteration$1.1M
- Apr 29, 2026Commercial Alteration645 Madison Avenue, Manhattan, NY 10022Alteration$700K
- Apr 7, 2026Commercial Alteration37-12 108 Street, Queens, NY 11368Alteration$75K
- Mar 2, 2026Commercial Alteration645 Madison Avenue, Manhattan, NY 10022Alteration$80K
- Feb 20, 2026Commercial HVAC37-12 108 Street, Queens, NY 11368HVAC / Mechanical$455K
- Feb 18, 2026Commercial Alteration1844 Second Avenue, Manhattan, NY 10128Alteration$82K
- Jan 2, 2026Multifamily Alteration35 East 9 Street, Manhattan, NY 10003Alteration$80K
- Dec 4, 2025Commercial HVAC211 East 43 Street, Manhattan, NY 10017HVAC / Mechanical$130K
- Jul 21, 2025Multifamily Alteration761 Madison Avenue, Manhattan, NY 10065HVAC / Mechanical$12K
- Jul 11, 2025Multifamily Alteration761 Madison Avenue, Manhattan, NY 10065Alteration$180K
- May 23, 2025Multifamily Alteration9 White Street, Manhattan, NY 10013Alteration$1.1M
- May 23, 2025Multifamily Alteration9 White Street, Manhattan, NY 10013HVAC / Mechanical$100K
- Apr 21, 2025Multifamily Alteration149 2 Avenue, Manhattan, NY 10003Alteration$80K
- Apr 18, 2025Multifamily Alteration157 2 Avenue, Manhattan, NY 10003Alteration$80K
- Mar 5, 2025Multifamily Alteration149 2 Avenue, Manhattan, NY 10003Alteration$20K
- Feb 28, 2025Multifamily Alteration157 2 Avenue, Manhattan, NY 10003Alteration$25K
- Feb 25, 2025Multifamily Alteration157 2 Avenue, Manhattan, NY 10003Alteration$25K
- Jan 31, 2025Multifamily Alteration157 2 Avenue, Manhattan, NY 10003Alteration$115K
Jun 29, 2026 | 20 West 74 Street, Manhattan, NY 10023 | Commercial HVAC | $27K |
Jun 29, 2026 | 20 West 74 Street, Manhattan, NY 10023 | Commercial Alteration | $64K |
May 8, 2026 | 159-19 Horace Harding Expressway, Queens, NY 11365 | Commercial Alteration | $1.1M |
Apr 29, 2026 | 645 Madison Avenue, Manhattan, NY 10022 | Commercial Alteration | $700K |
Apr 7, 2026 | 37-12 108 Street, Queens, NY 11368 | Commercial Alteration | $75K |
Mar 2, 2026 | 645 Madison Avenue, Manhattan, NY 10022 | Commercial Alteration | $80K |
Feb 20, 2026 | 37-12 108 Street, Queens, NY 11368 | Commercial HVAC | $455K |
Feb 18, 2026 | 1844 Second Avenue, Manhattan, NY 10128 | Commercial Alteration | $82K |
Jan 2, 2026 | 35 East 9 Street, Manhattan, NY 10003 | Multifamily Alteration | $80K |
Dec 4, 2025 | 211 East 43 Street, Manhattan, NY 10017 | Commercial HVAC | $130K |
Jul 21, 2025 | 761 Madison Avenue, Manhattan, NY 10065 | Multifamily Alteration | $12K |
Jul 11, 2025 | 761 Madison Avenue, Manhattan, NY 10065 | Multifamily Alteration | $180K |
May 23, 2025 | 9 White Street, Manhattan, NY 10013 | Multifamily Alteration | $1.1M |
May 23, 2025 | 9 White Street, Manhattan, NY 10013 | Multifamily Alteration | $100K |
Apr 21, 2025 | 149 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $80K |
Apr 18, 2025 | 157 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $80K |
Mar 5, 2025 | 149 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $20K |
Feb 28, 2025 | 157 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $25K |
Feb 25, 2025 | 157 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $25K |
Jan 31, 2025 | 157 2 Avenue, Manhattan, NY 10003 | Multifamily Alteration | $115K |
Addresses where Sentinel Builders, 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.
- Structure Tone INC7,225 commercial hvac
- Jt Magen + CO INC2,097 commercial hvac
- Turner Construction Compa1,883 commercial hvac
- Lehr Construction CORP1,767 commercial hvac
- John Gallin & Son, INC1,598 commercial hvac
- Jrm Construction Mgmt LLC1,386 commercial hvac
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