4.6 
11 *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 September 10, 2025
Serving Mercer, PA and surrounding areas
Approved
In business since 2015
Emergency services offered
Small jobs welcome
"First time Iâ d ever hired a structural engineer, so canâ t say."
Serving Mercer, PA and surrounding areas
In business since 2015
Free estimates
Emergency services offered
"Dee is a solid guy and excellent engineer. My project required him to design and create the engineering specs to navigate our town's permitting process. His thoroughness exceeded my expectations. I recommend and trust Dee on any future project."
+10
Serving Mercer, PA and surrounding areas
In business since 1988
Free estimates
"First time using Gerhart Engineering. Will use again."
Serving Mercer, PA and surrounding areas
In business since 1988
Free estimates
"Tim, is extremely Knowledgeable in his field. He showed up on time and he was pleasant and nice to work with. Tim put together drawings for a retainer wall I had built. I was very pleased with the drawing. He certified the drawing and signed off. Tim, thanks a lot. I highly recommend Tim if you need an experience Engineer that deals with retainer walls. Wanda. Langhorne, PA -Residence Customer."
+23
Serving Mercer, PA and surrounding areas
In business since 1998
Alta Design Associates, Inc. is an organization of professionals that find satisfaction in pleasing their clients, through quality work and reasonable rates. Our staff is experienced with the design and construction of projects both large and small, ranging from single family custom homes to large scale heavy and highway construction. Members of Alta Design Associates, Inc. have been formally educated in architecture and engineering, and have years of on-site and off-site experience, which allows the application of theory in a practical manner. \n\nAlta Design Associates, Inc. is committed to achievement in all aspects of professional service in order to exceed our clients' expectations. We succeed in our projects not only by providing quality designs, technical expertise, effective management, economical solutions and accurate construction documents, but by sharing our honesty, responsibility, positive attitude, hard work and integrity with our clients. \n\nOur principal is registered as a Professional Engineer in the various states that we serve, including: Pennsylvania, New Jersey, Delaware, Maryland, New York, Vermont, Georgia, Florida, and Virginia. Please contact Alta Design Associates Inc., to learn more about us!\n\n\n\n\n
From average costs to expert advice, get all the answers you need to get your job done.
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