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*The Angi rating for Structural Engineering companies in Mercer, PA 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 Mercer, PA 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 14, 2025
Find Structural engineers in Mercer
Carl J. Massini, P.E.
Carl J. Massini, P.E.
Residential structural engineering inspections to assess structure condition and damage concerns. Develop and/or review scopes of work for repair. Professional engineer with 32 years experience. Owner operated which allows for reasonable rates. Extensive mine subsidence damage investigation experience.
Residential structural engineering inspections to assess structure condition and damage concerns. Develop and/or review scopes of work for repair. Professional engineer with 32 years experience. Owner operated which allows for reasonable rates. Extensive mine subsidence damage investigation experience.

GTS Consultants
GTS Consultants
GTS Consultants has earned a reputation as a Minority Owned and Operated business since 1997. GTS Consultants are known for: -being highly regarded-with warm referrals -client responsiveness -professional surveyors -providing excellent communication -quick turnaround -competitive prices We have gained the respect and confidence of our clients by providing technical excellence and quality services throughout New York, New Jersey and Pennsylvania. Our corporate headquarters is located in the beautiful city of Newark, New Jersey. We look forward to hearing from and working with you soon.
GTS Consultants has earned a reputation as a Minority Owned and Operated business since 1997. GTS Consultants are known for: -being highly regarded-with warm referrals -client responsiveness -professional surveyors -providing excellent communication -quick turnaround -competitive prices We have gained the respect and confidence of our clients by providing technical excellence and quality services throughout New York, New Jersey and Pennsylvania. Our corporate headquarters is located in the beautiful city of Newark, New Jersey. We look forward to hearing from and working with you soon.

Finally Dry Basement and Structural Repair
Finally Dry Basement and Structural Repair
Basement Waterproofing and Structural Repair! -Interior French Drainage System -Exterior French Drainage System -Sump Pump/Pit Installs -Yard Drainage Systems -Downspouts -Structural Carbon Fiber Wall Support Kits -Structural Steel-I Beam Wall Supports -Steel I-Beam Floor Support -JackPosts -Driveway/Garage Speedy Drain Installs -Window Wells -Footer Underpins Attention ! If You Do Not See The Work You Are In Need Of Assistance for, And It Falls Under "Basement Waterproofing and Structural Repair", Give Us A Call! Feel Free to Call for Any Questions Leave a Message If You Go To Voicemail Please! Looking to Serve Our People With Professional Expertise ! Father and Son, Owned and Operated ! Fully Insured 30+ Years of Experience FREE ESTIMATES!
"Couldn’t be happier with the work done and the price was good and fair for the quality work out in. You can tell they have tons of experience!"
Trent M on May 2022
Basement Waterproofing and Structural Repair! -Interior French Drainage System -Exterior French Drainage System -Sump Pump/Pit Installs -Yard Drainage Systems -Downspouts -Structural Carbon Fiber Wall Support Kits -Structural Steel-I Beam Wall Supports -Steel I-Beam Floor Support -JackPosts -Driveway/Garage Speedy Drain Installs -Window Wells -Footer Underpins Attention ! If You Do Not See The Work You Are In Need Of Assistance for, And It Falls Under "Basement Waterproofing and Structural Repair", Give Us A Call! Feel Free to Call for Any Questions Leave a Message If You Go To Voicemail Please! Looking to Serve Our People With Professional Expertise ! Father and Son, Owned and Operated ! Fully Insured 30+ Years of Experience FREE ESTIMATES!
"Couldn’t be happier with the work done and the price was good and fair for the quality work out in. You can tell they have tons of experience!"
Trent M on May 2022

Affordable Waterproofing Solutions
Affordable Waterproofing Solutions
Affordable Waterproofing Solutions can waterproof your basement at half the cost of competitors. Our American made system doesn’t require any outside digging , floor destruction , or maintenance. Our system is half the cost of other Waterproofing methods and lifetime guaranteed to perform. If your basement is musty , wet , or you want to finish it ; we are the affordable solution for you!
Affordable Waterproofing Solutions can waterproof your basement at half the cost of competitors. Our American made system doesn’t require any outside digging , floor destruction , or maintenance. Our system is half the cost of other Waterproofing methods and lifetime guaranteed to perform. If your basement is musty , wet , or you want to finish it ; we are the affordable solution for you!

LLG Engineering Consulting LLC
LLG Engineering Consulting LLC
We are a reputable Engineering Consulting firm specializing in Structural Design Analysis. Our residential and commercial building expertise includes CAD 3D-modeling and stamped (PE sealed) 2D-drawing for local building permits and contractor reference. We also perform post-home inspection structural design-analysis for homes on the market. we offer verbal opinions and written stamped-reports. Call us to discuss your design needs!
We are a reputable Engineering Consulting firm specializing in Structural Design Analysis. Our residential and commercial building expertise includes CAD 3D-modeling and stamped (PE sealed) 2D-drawing for local building permits and contractor reference. We also perform post-home inspection structural design-analysis for homes on the market. we offer verbal opinions and written stamped-reports. Call us to discuss your design needs!
D.A.Terreri&Sons Construction
D.A.Terreri&Sons Construction
We are a Professional Reliable Union General Contractor affiliated with Carpenters local 171 & 285, Cement Masons 179, Operating Engineers 66 & 18, Brick layers 8 and Laborers 125, 935, 894 & 1015. All of our employees are professionals having been trained through 4 year classroom and hands on apprenticeship programs specifically designed for their chosen trade.
We are a Professional Reliable Union General Contractor affiliated with Carpenters local 171 & 285, Cement Masons 179, Operating Engineers 66 & 18, Brick layers 8 and Laborers 125, 935, 894 & 1015. All of our employees are professionals having been trained through 4 year classroom and hands on apprenticeship programs specifically designed for their chosen trade.

Nelis Inspections, LLC
Nelis Inspections, LLC
Providing Professional Engineering and Structural Inspection services to the Pittsburgh area. Proprietor is a PA registered Professional Engineer with over 15 years of experience.
"Tim is the consummate professional. He's very thorough in his inspection, and he writes clear reports with excellent pictures. His report on the termite damage was much better than that done by our original inspector. He explained everything he found so I felt like I had a good picture of what needed to be done. When he returned, my contractor was so impressed with him that he took his contact information to refer him to future customers who needed engineering reports."
Marian A on September 2018
Providing Professional Engineering and Structural Inspection services to the Pittsburgh area. Proprietor is a PA registered Professional Engineer with over 15 years of experience.
"Tim is the consummate professional. He's very thorough in his inspection, and he writes clear reports with excellent pictures. His report on the termite damage was much better than that done by our original inspector. He explained everything he found so I felt like I had a good picture of what needed to be done. When he returned, my contractor was so impressed with him that he took his contact information to refer him to future customers who needed engineering reports."
Marian A on September 2018
SEIDLER ENGINEERING INC
SEIDLER ENGINEERING INC
Since our inception in 1996, we have built our reputation on providing quality, cost-effective engineering solutions to our clients. Our unique ability to mesh technical expertise, project communication, and computer efficiency allows us to provide an unmatched level of service to our clients. Our "design by engineers" philosophy and technical resources greatly enhance our firm's ability to deliver an exceptional product.
Since our inception in 1996, we have built our reputation on providing quality, cost-effective engineering solutions to our clients. Our unique ability to mesh technical expertise, project communication, and computer efficiency allows us to provide an unmatched level of service to our clients. Our "design by engineers" philosophy and technical resources greatly enhance our firm's ability to deliver an exceptional product.
SMOLEY ENGINEERS & CONSULTANTS
SMOLEY ENGINEERS & CONSULTANTS
Multi-faceted planning, engineering and consulting firm, specializing in structural engineering for wood design, masonry, steel & concrete, green design, and wind engineering, serving architects, engineers, contractors, builders, developers, and owners from many business sectors. Practice areas include residential, office, retail, commercial, and industrial markets. Currently licensed as a Professional Engineer in PA, MD, WV, VA, DC, NC, & SC. Member ASCE, SEI, AWC.
Multi-faceted planning, engineering and consulting firm, specializing in structural engineering for wood design, masonry, steel & concrete, green design, and wind engineering, serving architects, engineers, contractors, builders, developers, and owners from many business sectors. Practice areas include residential, office, retail, commercial, and industrial markets. Currently licensed as a Professional Engineer in PA, MD, WV, VA, DC, NC, & SC. Member ASCE, SEI, AWC.
America's Basement Contractor
America's Basement Contractor
America's Basement Contractor is your source for basement waterproofing, foundation repair and mold removal in the Pennsylvania and Eastern Ohio. The most important part of your home's structure is it's foundation. Don't let water and mold destroy your home. Stop the destruction early and save money from future destruction with America's Basement Contractor. Toll free call 877-222-4023. Additional email - [email protected].
America's Basement Contractor is your source for basement waterproofing, foundation repair and mold removal in the Pennsylvania and Eastern Ohio. The most important part of your home's structure is it's foundation. Don't let water and mold destroy your home. Stop the destruction early and save money from future destruction with America's Basement Contractor. Toll free call 877-222-4023. Additional email - [email protected].
The Mercer, PA homeowners’ guide to structural engineering services
From average costs to expert advice, get all the answers you need to get your job done.

Looking to remove load-bearing walls and vertical supports to open up your living space? Learn about what affects the cost to install an LVL beam.

Beam installation costs are an important consideration if you’re building a home or doing renovations. Learn about average costs and factors in this guide.

Looking to expand your ceiling and send claustrophobia running for the hills? This guide covers the cost to vault a ceiling and factors that impact estimates.

Structural steel and wood beams ensure your house is structurally sound. Learn the difference between steel and wood beams and how to choose the right one.

Keeping your home safe and structurally sound should be a top priority. Learn to recognize the signs of structural damage you should never ignore.

The right ceiling joist spacing will help support your ceiling and prevent sagging, but there are a number of factors to consider. This guide can help.
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