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Verified Reviews for Structural Engineering pros in Windham, NH

*The Angi rating for Structural Engineering companies in Windham, NH 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 Windham, NH 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 October 26, 2025

Find Structural engineers in Windham

Avatar for Groundworks

Groundworks

33 W Bacon Street
3.71(
217
)
•Approved Pro

Groundworks

33 W Bacon Street
3.71(
217
)
•Approved Pro
Customers say: Super punctual
35 local quotes requested
41 years of experience

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

"John McLaughlin or w.e his name should be embarrassed on how he treats his customers and workers ."

Mike P on September 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

"John McLaughlin or w.e his name should be embarrassed on how he treats his customers and workers ."

Mike P on September 2025

J.R. Welding & Fabrication

No reviews yet

J.R. Welding & Fabrication

No reviews yet

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!

Avatar for Ivan Filev

Ivan Filev

PO Box 201
No reviews yet

Ivan Filev

PO Box 201
No reviews yet
39 years of experience

Structural Engineer based in Boston, providing consulting services to architects, developers, contractors, builders, institutions, and property owners throughout New England, New York, New Jersey, Pennsylvania, Florida and California.

Structural Engineer based in Boston, providing consulting services to architects, developers, contractors, builders, institutions, and property owners throughout New England, New York, New Jersey, Pennsylvania, Florida and California.

Nick Burtt Home Improvements LLC

5.00(
2
)

Nick Burtt Home Improvements LLC

5.00(
2
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Family owned and operated general contractor. Providing all levels of construction from foundation to finish. Professional, on time and on budget. Call us today for a free estimate to start your next project.

Family owned and operated general contractor. Providing all levels of construction from foundation to finish. Professional, on time and on budget. Call us today for a free estimate to start your next project.

EHM

Washington Ave.
4.50(
16
)

EHM

Washington Ave.
4.50(
16
)
Customers say: Quality work
71 years of experience

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021

JJ Calnan and sons Contractors

17 Reservoir Road
4.25(
4
)

JJ Calnan and sons Contractors

17 Reservoir Road
4.25(
4
)
Customers say: Terrific value
39 years of experience

JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]

JJ Calnan and sons Contractors is a family owned and operated business. With our total time in the construction industry, working for others and in business for ourselves, we have over 100 years experience. Our employees are longtime. loyal, dedicated and highly skilled. We can provide hundreds of references from homeowners, business owners, industry, religious institutions & municipalities. We are fully insured and liscensed. Our prices are very competitive and fair. We honor our Veterans who receive 10% discount. Contact John at [email protected]

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Structural Engineering questions, answered by experts

Their expertise in identifying potential problems early and implementing durable solutions safeguards your home’s integrity.

Because of their composite structure, cutting or drilling LVL beams can compromise their integrity. We strongly advise contacting a general contractor or structural engineer before making any alterations to LVL beams. Professionals can also answer questions about choosing between a pier and beam versus slab foundation when designing your project.

Building codes for spiral staircases will vary by your location. Most local codes will specify minimum tread width, riser height, handrail requirements, and headroom. These standards help ensure safety and accessibility for all users. Always check local codes before you begin the installation to ensure compliance and avoid costly modifications or fines.

Trusses and rafters each have advantages and disadvantages, so one isn’t necessarily better than the other. For example, trusses are more affordable and often come in prefabricated kits, so they’re easier to build than rafters. However, rafters are available in a variety of designs, so it’s easier to find one that fits your style preferences. Plus, if you want to build an attic at some point down the line, it’s far easier to do that with rafters rather than trusses.

By careful planning and reinforcement to maintain structural integrity.

The Windham, NH homeowners’ guide to structural engineering services

From average costs to expert advice, get all the answers you need to get your job done.

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