What
  • Air Conditioning Contractors & Systems
  • Air Conditioning Service & Repair
  • Altering & Remodeling
  • Altering & Remodeling Contractors
  • Architect
  • Bathroom Remodeling
  • Boiler Dealers
  • Boiler Repair & Cleaning
  • Boilers Equipment
  • Building & Offices
  • Building Contractors
  • Building Contractors-Commercial & Industrial
  • Building Maintinance
  • Building Specialties
  • Cabinets
  • Carpenters
  • Ceilings Supplies
  • Commercial & Industrial
  • Commercial Construction
  • Computer Cable & Wire Installation
  • Computers & Computer Equipment-Service & Repair
  • Concrete Contractors
  • Construction company
  • Construction company
  • Construction Consultant
  • Construction Engineers
  • Criminal justice
  • Criminal justice attorney
  • Data Communications Equipment & Systems
  • Data Communications Services
  • Deck Builders
  • Deck Cleaning & Treatment
  • Dentist
  • Disabled Accessibility Contractors
  • Door Repair
  • Doors
  • Drilling Contractor
  • Drywall Contractors
  • Education center
  • Electric companies
  • Electric companies
  • Electric Contractors
  • Electric Engineers
  • Electric Equipment & Supplies
  • Electrician
  • electricians
  • Excavation Contractor
  • Excavation Contractors
  • Fence-Sales
  • Financial planner
  • Fireplace Equipment
  • Flooring Contractors
  • Frames & Accessories
  • Furnaces-Heating
  • Garage Doors & Openers
  • Garages - Building & Repairing
  • Gas Companies
  • General Contractors
  • Geothermal Heating & Cooling Contractors
  • Graphic designer
  • Gutters & Downspouts
  • Handyman Services
  • Heating Contractors & Specialties
  • Heating Contractors & Specialties
  • Heating Equipment & Systems
  • Heating Equipment & Systems Repairing
  • Home Builders
  • Home Design & Planning
  • Home Improvements
  • Home Repair & Maintenance
  • Insulation Materials
  • Internet Products & Services
  • Investments
  • Kitchen Planning & Remodeling
  • Landscaping & Lawn Services
  • Lighting Contractors
  • Manufactured Homes
  • Masonry Contractors
  • Modular Homes
  • Oil & Gas Exploration & Development
  • Painting Contractors
  • Parts & Supplies
  • Patio Builders
  • Pipe & Wire Locating Service
  • Plumbers
  • Power Washing
  • Professional Engineers
  • Property management
  • Real Estate Agents
  • Real Estate Buyer Brokers
  • Real Estate Developers
  • Real Estate Management
  • Remodeler
  • Repair & Installation
  • Replacement And Installation
  • Roofers
  • Roofing Contractor
  • Sewer Cleaners
  • Siding Contractors
  • Small Appliances
  • Snow Removal Service
  • Stump Removal & Grinding
  • Swimming Pool Dealers
  • Tile-Contractors & Dealers
  • Title company
  • Tree Service
  • Trucking
  • Trucking Heavy Hauling
  • Utilities Underground Cable
  • Utility Companies
  • Utility Contractors
  • Video production service
  • Windows
  • Windows Repair
  • Wire & Cable-Electric
  • Wood supplier
Where

Located in a turn of the century loft building in the TriBeCa neighborhood of lower Manhattan, our office numbers between five and eight people depending on our workload. Our work is a collaborative effort between the principals, the staff, the client, the consultants and the contractors.

The principals of TRIARCH, Stephen Corelli and Michaela Deiss, began working together in 1987 in partnership as CORELLI/DEISS. While our work includes some retail and office projects, our primary focus has been residential – from pre-war apartments to loft renovations, townhouses and historic restoration. We are comfortable with, and are challenged by, work across a wide stylistic spectrum – from the restoration of an eighteenth century house to a modern loft renovation. Whatever the project, we try to find the most appropriate functional, aesthetic and cost effective response.

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  • Monday09:00 AM - 06:00 PM
  • Tuesday09:00 AM - 06:00 PM
  • Wednesday09:00 AM - 06:00 PM
  • Thursday09:00 AM - 06:00 PM
  • Friday09:00 AM - 06:00 PM

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