HM
Mechanical SystemsGeneral Contractor
Hartz Mountain Industries
License #602517 · 500 Plaza Drive,6th Floor
- 4
- projects on record
- 2
- neighborhoods served
- $18,500 – $227,500
- price range · 4 recent
- General Contractor
- license type
Winston
Sinra's concierge·Online now
Considering Hartz Mountain Industries? Tell me the project and I’ll check whether they’d take it at your budget.
Recent projects
Reported costs from permit filings
Interior Renovation at 667 Madison Avenue, Manhattan
General ConstructionUpper East Side-Carnegie Hill · Manhattan · Oct 8, 2026$75,000
Issued
Mechanical System Modifications at 667 Madison Avenue
Mechanical SystemsUpper East Side-Carnegie Hill · Manhattan · Mar 25, 2026$25,000
Issued
Interior Renovation at 667 Madison Avenue, Manhattan
General ConstructionUpper East Side-Carnegie Hill · Manhattan · Mar 23, 2026$227,500
Issued
Mechanical Modifications at 667 MADISON AVENUE, Manhattan
Mechanical SystemsUpper East Side-Carnegie Hill · Manhattan · Mar 20, 2026$18,500
Issued