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Building Inspiring Spaces

With over 40 years in construction and contracting, the members of Trinity Development Group has the experience to complete your projects

Meet Our Team

New York, NY, January 27, 2016, Jeffrey Lewis, Co-owner of Trinity Develop Group LLC, was recently named a VIP member of Worldwide Branding. This special distinction honors individuals who have shown exceptional commitment to achieving personal and professional success.

Mr. Lewis has 27 years of experience as owner of J&L Carpentry General Contractors, with experience as Vice President and director of construction and development for past companies. His areas of expertise include design development and implementation, as well as construction scheduling, estimating, and management. Mr. Lewis is tasked with a vast knowledge of building land and property acquisition, working with municipalities, reviewing contracts, liaising with architects and engineers, and overseeing conceptual design. Trinity Development Group is a General Contracting company along with a full-service construction management company.

Mr. Lewis founded J&L in 1985, and has shared his expertise with many companies as a consultant over many years. In addition, for the last six years, Mr. Lewis has been teaching construction scheduling, estimating, and management for continuing education students at Bergen Community College. He does private presentations for companies that need training and coaching for their staffs.

Mr. Lewis attributes his many years of professional success to loving his work. He has a real desire to give back, assisting the underserved and less fortunate. Mr. Lewis also credits his organizational skills and ability to multitask, simultaneously handling disparate and diverse projects. Based on his 25 years in the construction management industry, Mr. Lewis was was recruited by United Way to head the newly formed division.

In 2017, Jeff Lewis founded Trinity Development Group alongside Mike Mimmo.

Mr. Lewis studied Construction Management at Bergen Community College. He is continuously furthering his education by taking courses on the newest developments in his field, and applies that knowledge as a board member of multiple municipal planning and zoning authorities. In the coming years, he intends to broaden the scope of the project for the United Way, as well as continue to teach and consult.

What We Offer

Trinity Development Group is located in Lake Hopatcong, New Jersey, and offers services that help throughout the entire building process. Starting with design, to the gathering of materials and staff, up until the actual construction, we will be there to assist you. We are a General Contracting company specializing in Residential new homes additions and renovations, multi-Family mid-rise building, and Commercial Construction.

General Contracting
Trust our professional architects and planners to create detailed designs for your structures. From the staff to the equipment, we will gather everything needed for construction. Our company can also provide the construction workers. Allow us to be with you throughout the building process.
Construction Management
If you need someone to handle your construction projects, we are here to help you. Our staff will make sure that everything goes according to plan. Sit back, relax, and let us manage your build. In addition, we can provide you with the project schedule and performance as well as cost estimating.

Our Construction Management Team provides the following services:

  • Complete design building services – we can provide architectural and design services for all types of projects, from conceptual to completion.
  • We specialize in providing developers owner’s and contractors acting as an owner’s representative.
  • We provide pre-bid budget analysis and feasibility studies.
  • We provide complete detailed estimating services for owners, general contractors, subcontractors, architects and engineers.
  • We pride ourselves in providing complete project management services.
  • We provide project scheduling and critical path schedules for owner’s architects and contractors.

We pride ourselves in our on-time performance and quality.

Recent Works


Our Home Owners Say

Trinity Development Group LLC Testimonial

“Great company ran by even better people! A company ran by professionals you can actually trust! Highly recommended!”

Jason Karamanol

Trusted Partners

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