Consultant Services:
Permitting, Code, Design, and Management

Johnson Consulting Group provides comprehensive project planning, code consulting, and permitting services for both residential and commercial projects. From site plans and building layouts to zoning and permitting, our team ensures every project is delivered with integrity and professionalism.

Our team has extensive expertise in new home construction, multi-family developments, modular homes, condo conversions, apartment rehabs, and commercial projects such as restaurants and subdivisions. By coordinating architecture, engineering, project management, and subcontracting services, we deliver cost-effective solutions that meet the highest standards

As a state project engineer and consultant, David A. Johnson, Sr. has overseen major improvements at historic sites across Massachusetts. From structural repairs and HVAC upgrades to sensitive renovations, JCG provides planning, management, and engineering services that preserve historical integrity while enhancing long-term functionality

New home and rehab construction, we provide high-end kitchen and bathroom design and installation services. We also specialize in transforming basements and attics into functional living spaces, offering homeowners additional rooms, suites, and storage areas. From initial design to final installation, we deliver quality craftsmanship at factory-direct savings

In addition to serving clients in Boston and Atlanta, JCG is active in the Dominican Republic, where we are developing residential single-family homes, condos, and vacation properties. These projects offer clients opportunities for retirement, investment, or second homes in thriving communities. With local knowledge and decades of building expertise, we provide trusted guidance for international property development

Alongside his consulting work, David A. Johnson, Sr. serves as Lead Instructor at Mass CSL Training Group. He provides practical instruction in licensing, building codes, and construction management, helping prepare the next generation of Massachusetts Construction Supervisors for success