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*The Angi rating for Structural Engineering companies in Lexington, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
*The HomeAdvisor rating for Structural Engineering companies in Lexington, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
Last update on November 15, 2025
Find Structural engineers in Lexington

Groundworks
Groundworks
Groundworks, previously Busy Dog Basement Technologies, specializes in helping homeowners with their waterproofing, foundation repair, crawl space, and remodeling needs. Our top priority is providing high-quality home repair solutions and personalized service across Massachusetts and Rhode Island. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation or basement. MA HIC 164895
"I had the annual maintenance on our Water Grabber system performed today by service technician Archie Boone. Archie as always great customer service, communication and professionalism. It is always a pleasure to see him. He has been servicing our system the past several years. I highly recommend Groundworks and Archie for their services."
Mike S on October 2025
Groundworks, previously Busy Dog Basement Technologies, specializes in helping homeowners with their waterproofing, foundation repair, crawl space, and remodeling needs. Our top priority is providing high-quality home repair solutions and personalized service across Massachusetts and Rhode Island. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your foundation or basement. MA HIC 164895
"I had the annual maintenance on our Water Grabber system performed today by service technician Archie Boone. Archie as always great customer service, communication and professionalism. It is always a pleasure to see him. He has been servicing our system the past several years. I highly recommend Groundworks and Archie for their services."
Mike S on October 2025

Harsini, Inc.
Harsini, Inc.
We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big or small. We are experts in our field and will always keep you informed on your particular task or project in a manner that is understandable to you. We look forward to earning your business!
"Mahyar was knowledgeable and a great communicator. His report was clear and helpful. He was also prompt in responding. All-around pleasant to work with. Highly recommend this firm."
Liz G on April 2023
We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects, no matter how big or small. We are experts in our field and will always keep you informed on your particular task or project in a manner that is understandable to you. We look forward to earning your business!
"Mahyar was knowledgeable and a great communicator. His report was clear and helpful. He was also prompt in responding. All-around pleasant to work with. Highly recommend this firm."
Liz G on April 2023

D. A. Kinsella Company
D. A. Kinsella Company
d. a. kinsella company has been under the same creative management since 1990 and has completed hundreds of residential and commercial projects for private sector clients, including home and business owners, property managers, developers and local government. As an architectural firm, d. a. kinsella company offers architectural and construction management services, which include the preparation of: home and house plans, home designs, residential architecture, interior design and planning; construction plans and construction management services, cost estimates and construction management.
"From the very first meeting through the entire work they did they were very professional. I had a roof repair and other construction work done and I am very pleased with the quality of their work. I will definitely hire them agian and in the process of going over window replacement with them. Excellent job!"
John H on November 2021
d. a. kinsella company has been under the same creative management since 1990 and has completed hundreds of residential and commercial projects for private sector clients, including home and business owners, property managers, developers and local government. As an architectural firm, d. a. kinsella company offers architectural and construction management services, which include the preparation of: home and house plans, home designs, residential architecture, interior design and planning; construction plans and construction management services, cost estimates and construction management.
"From the very first meeting through the entire work they did they were very professional. I had a roof repair and other construction work done and I am very pleased with the quality of their work. I will definitely hire them agian and in the process of going over window replacement with them. Excellent job!"
John H on November 2021
Taddonio Engineering, LLC
Taddonio Engineering, LLC
Taddonio Engineering, LLC is a locally owned and operated company, that values honesty, integrity and treats your home as if it were our own. You will find us to be competitively priced, while still paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Give us a call today to get your project started!
"n/a"
Zhi L on November 2025
Taddonio Engineering, LLC is a locally owned and operated company, that values honesty, integrity and treats your home as if it were our own. You will find us to be competitively priced, while still paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Give us a call today to get your project started!
"n/a"
Zhi L on November 2025

RENE MUGNIER ASSOCIATES, INC.
RENE MUGNIER ASSOCIATES, INC.
Rene Mugnier Associates, Inc. is a structural engineering firm based in Cambridge, MA that specializes in the investigation, forensic, and rehabilitation of residential and commercial houses and buildings. Founded in 1973 by Rene Mugnier, our company focuses on helping in the purchase, sale, and with how to fix your home. We also provide full structural services for the preparation of structural plans for all constructions (home and commercial). With our structural investigations we aim to educate you on the existing potential or future problems which could occur pertaining to the structure of any kind of building
"I am a contractor that does structural repairs. I get hired by homeowners to work on their property and am often hired after they’ve consulted with Rene Mugnier and Associates. The engineers at this offices are extremely well versed in what they do, thorough and available. I recommend them to customers and friends and the time and I look forward to working on sites they are managing. I know the work is going to be top notch and professional. "
Don I on September 2025
Rene Mugnier Associates, Inc. is a structural engineering firm based in Cambridge, MA that specializes in the investigation, forensic, and rehabilitation of residential and commercial houses and buildings. Founded in 1973 by Rene Mugnier, our company focuses on helping in the purchase, sale, and with how to fix your home. We also provide full structural services for the preparation of structural plans for all constructions (home and commercial). With our structural investigations we aim to educate you on the existing potential or future problems which could occur pertaining to the structure of any kind of building
"I am a contractor that does structural repairs. I get hired by homeowners to work on their property and am often hired after they’ve consulted with Rene Mugnier and Associates. The engineers at this offices are extremely well versed in what they do, thorough and available. I recommend them to customers and friends and the time and I look forward to working on sites they are managing. I know the work is going to be top notch and professional. "
Don I on September 2025
Berdi Consulting
Berdi Consulting
Berdi Consulting provides structural engineering and architectural services in greater Boston area. We do comprehensive structural engineering analysis, architectural design, specifications and reporting.
"Stas was great, provessional, knowledgable. I highly recommend his work. His assistant Pavel, was not."
Matthew T on December 2024
Berdi Consulting provides structural engineering and architectural services in greater Boston area. We do comprehensive structural engineering analysis, architectural design, specifications and reporting.
"Stas was great, provessional, knowledgable. I highly recommend his work. His assistant Pavel, was not."
Matthew T on December 2024

Matriarch Construction
Matriarch Construction
We are a woman owned residential general contracting company located in Winchester, MA. We specialize in full design,home renovations,additions,restorations, rehabs,kitchen renovations,bath renovations, exterior restorations, porch building & repairs, and so much more. Our clients rely on us for projects to be on time and on budget. Excellent communication is our specialty. Our intelligent, detailed, and honest approach to construction has left us with a great (and growing) reputation that we are proud of! Matriarch Construction has an outstanding reputation among the industry, continually nurturing long lasting partnerships with exceptional trade workers. Have peace of mind knowing that we are fully licensed and insured in MA and we can provide a certificate of insurance upon request. We want you to be happy with our work, and will make every effort to see that you are.
We are a woman owned residential general contracting company located in Winchester, MA. We specialize in full design,home renovations,additions,restorations, rehabs,kitchen renovations,bath renovations, exterior restorations, porch building & repairs, and so much more. Our clients rely on us for projects to be on time and on budget. Excellent communication is our specialty. Our intelligent, detailed, and honest approach to construction has left us with a great (and growing) reputation that we are proud of! Matriarch Construction has an outstanding reputation among the industry, continually nurturing long lasting partnerships with exceptional trade workers. Have peace of mind knowing that we are fully licensed and insured in MA and we can provide a certificate of insurance upon request. We want you to be happy with our work, and will make every effort to see that you are.
J.R. Welding & Fabrication
J.R. Welding & Fabrication
J.R. Welding & Fabrication is a full service welding shop, servicing all of the North Shore and southern NH. We specialize in ornamental hand railings, new metal fabrication, and light structural steel. We also tackle a wide variety of welding repairs. Hand railings, dumpsters, dump truck bodies, trailers, and others! Whatever it may be, we have 2,800 sq ft of shop space to accommodate your project, as well as mobile welding capabilities. We hold 15 years experience welding various types of projects in multiple industries. Please inquire with us today, and join our list of happy customers!
J.R. Welding & Fabrication is a full service welding shop, servicing all of the North Shore and southern NH. We specialize in ornamental hand railings, new metal fabrication, and light structural steel. We also tackle a wide variety of welding repairs. Hand railings, dumpsters, dump truck bodies, trailers, and others! Whatever it may be, we have 2,800 sq ft of shop space to accommodate your project, as well as mobile welding capabilities. We hold 15 years experience welding various types of projects in multiple industries. Please inquire with us today, and join our list of happy customers!

LCG Boston LLC
LCG Boston LLC
LCG BOSTON, LLC strives to not only to satisfy our customers expectations but to exceed them in every way. We are committed to handling every new project with the same care and precision as the last, and we believe in establishing transparent, honest relationship with our clients that last beyond the projects end date. Our team has over 17 years of experience in new construction to full renovation projects. WE ARE COMMITTED TO HELP YOU LOVE YOUR HOME AGAIN
"William and team did an excellent job. I would definitely hire them again for a major construction project."
Andrew R on March 2023
LCG BOSTON, LLC strives to not only to satisfy our customers expectations but to exceed them in every way. We are committed to handling every new project with the same care and precision as the last, and we believe in establishing transparent, honest relationship with our clients that last beyond the projects end date. Our team has over 17 years of experience in new construction to full renovation projects. WE ARE COMMITTED TO HELP YOU LOVE YOUR HOME AGAIN
"William and team did an excellent job. I would definitely hire them again for a major construction project."
Andrew R on March 2023
The Lexington, MA homeowners’ guide to structural engineering services
From average costs to expert advice, get all the answers you need to get your job done.

A new steel I-beam is more durable than a wooden one. Learn what factors can affect steel I-beam installation costs and how to budget for this project.

Need to open up your living space or make room for a home addition? Use this guide to estimate the cost to remove a wall in your home before you start.

A damaged main support beam can cause serious structural damage to your house. Learn how much it costs to replace a main house support beam.

It can be hard to choose the right pro for any job, but it matters. Learn how to hire a structural engineer who'll get the job done right from start to finish.

A home doesn’t collapse unexpectedly. Learn the warning signs that a house will collapse, so you can protect your family and your home.

What is an LVL beam? Read about LVL beams to determine if this material is safe and suitable for your project.
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