About Us

Building Trust Through Precision & Engineering Excellence

Connorstone Engineering, Inc.

Connorstone Engineering has been in business since 1972 providing consulting engineering to the development community in the Metrowest and Worcester County area. Offices are located in Sudbury (Sullivan Connors and Associates) and Northborough (Connorstone Engineering Inc.).
Connorstone and Sullivan Connors & Associates, Inc. provides survey and engineering services along with ecological consulting and compliance for land use projects for both private developers and some municipalities. Licensed professionals include: Professional Engineers, Professional Land Surveyor, and Registered Sanitarian. The president is George Connors an attorney admitted to practice in Massachusetts. Most of the 12-15 employees have been with the company for over 20 years.

Connorstone and Sullivan Connors & Associates, Inc. have prepared plans for projects ranging from single family house septic system repairs to multi-unit apartment building developments, industrial and commercial buildings and the associated development infrastructure, highway widening/signalization, 40B projects, sewer treatment facilities, community water supplies, stormwater facilities, large and complex hydrologic analysis, and difficult environmental permitting. We also have been effective in appeals processes in favor of development.

Sullivan, Connors & Associates, Inc

Is ever vigilant and sensitive to ‘time & cost’ aspects of every project. In our years of experience we have streamlined all steps of civil engineering & land surveying. We are a group that is professional and easy to work with. Our full-service staff is knowledgeable and well versed in State and local land law. We work closely with our clients and understand what they want and need for success in their project.
Connorstone works with a select few specialty engineers and consultants for many years to bring forth the necessary expertise for complex site challenges, including subdivision design, property line and topographic surveys, land court plans, construction layout and support, roadway design, and construction as-built surveys.

Our survey department is equipped with all of the current advanced survey systems (total stations, robotic instruments, and GPS), all integrated with constantly updated software. The survey department deals with Land Court and title issues on a regular basis.

Our Mission

To provide accurate, efficient, and innovative engineering and surveying solutions that support sustainable development, infrastructure growth, and successful project outcomes.

Our Vision

To be recognized as a trusted leader in civil engineering and surveying services by delivering excellence, professionalism, and long-term value to our clients and communities.

Why Choose Connorstone Engineering

  • Experienced and licensed engineering professionals
  • Accurate surveying and planning solutions
  • Advanced technology and modern equipment
  • Commitment to quality and precision
  • Reliable project coordination and support
  • Timely delivery and client-focused service
Connorstone Engineering delivered exceptional surveying and civil engineering services with accuracy, professionalism, and timely execution. Their team exceeded our expectations at every stage of the project
Michael Johnson (Project Manager)
We were impressed by the technical expertise and attention to detail provided by Connorstone Engineering. Their commitment to quality and compliance made the entire process seamless
Sarah Williams (Construction Consultant)
The team demonstrated outstanding professionalism and engineering knowledge throughout our infrastructure project. Highly reliable and easy to work with
David Miller (Development Director)
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