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There are 3 highly-rated local structural engineers.
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*The Angi rating for Structural Engineering companies in Speonk, NY 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 Speonk, NY 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 04, 2025
Find Structural engineers in Speonk

AFM Inspections & Engineering, PLLC
AFM Inspections & Engineering, PLLC
For over 33 years, AFM Inspections & Engineering has been providing professional building inspection and engineering services to both residential and commercial clients throughout NYC and the outer boroughs. Fully licensed and insured, we have completed thousands of designs, evaluations, and other services to satisfied owners, property managers, agents, contractors, attorneys and building boards. Call today and let us know how we can be of service to you!
"They have outstanding service so far."
Paul J on August 2020
For over 33 years, AFM Inspections & Engineering has been providing professional building inspection and engineering services to both residential and commercial clients throughout NYC and the outer boroughs. Fully licensed and insured, we have completed thousands of designs, evaluations, and other services to satisfied owners, property managers, agents, contractors, attorneys and building boards. Call today and let us know how we can be of service to you!
"They have outstanding service so far."
Paul J on August 2020
Tiderunner Engineering and Design PC
Tiderunner Engineering and Design PC
Hello, my name is Louis Schwartz and I am the owner of Tiderunner Engineering & Design, P.C. I started my civil engineering business in 2004 to focus on the residential construction Industry. With over a decade of experience in the industry I have substantial knowledge in preparing plans for renovations and/or additions. I have also been reviewing plans in Suffolk and Nassau counties for code compliance written by others, structural analysis, and residential sanitary system design. I work very close with both contractors and homeowners and I enjoy supplying engineering support for contractors in the residential construction field. My company has been very successful over the years because I provide such a variety of services as both a structural engineer and a plan preparer. I have helped several residential contractors with building permit application preparation, grading and drainage plans, as well as acquisitions. If you are looking to work with the best in the business; look no further than Tiderunner Engineering & Design, P.C. Call me today to set up an appointment.
"Provided a thorough analysis of the structural design, and provided a professional report to our architect."
John O on February 2025
Hello, my name is Louis Schwartz and I am the owner of Tiderunner Engineering & Design, P.C. I started my civil engineering business in 2004 to focus on the residential construction Industry. With over a decade of experience in the industry I have substantial knowledge in preparing plans for renovations and/or additions. I have also been reviewing plans in Suffolk and Nassau counties for code compliance written by others, structural analysis, and residential sanitary system design. I work very close with both contractors and homeowners and I enjoy supplying engineering support for contractors in the residential construction field. My company has been very successful over the years because I provide such a variety of services as both a structural engineer and a plan preparer. I have helped several residential contractors with building permit application preparation, grading and drainage plans, as well as acquisitions. If you are looking to work with the best in the business; look no further than Tiderunner Engineering & Design, P.C. Call me today to set up an appointment.
"Provided a thorough analysis of the structural design, and provided a professional report to our architect."
John O on February 2025
ARK 3CD Design Group LLC
ARK 3CD Design Group LLC
Specializing in architectural design, engineering, construction and permitting for residential and commercial projects, we focus on managing the complete life-cycle of your projects to complete them on-time and within your budget. Each of our executive team members have over 25 years of experience in the business. We are a small firm with the ability to handle projects of most any size and scope. Let's talk about your upcoming projects.
Specializing in architectural design, engineering, construction and permitting for residential and commercial projects, we focus on managing the complete life-cycle of your projects to complete them on-time and within your budget. Each of our executive team members have over 25 years of experience in the business. We are a small firm with the ability to handle projects of most any size and scope. Let's talk about your upcoming projects.
Professional Home Improvement
Professional Home Improvement
Home Improvement Contractor
Home Improvement Contractor
S & H Industries LLC
S & H Industries LLC
The Oil Tank Removal and Remediation Experts. S & H Industries has completed hundreds of oil tank removals in New Jersey and is also a full service environmental consulting and contracting company. With 30 years of experience in the environmental industry, you can rest assured that this family owned and operated company has the knowledge to complete even the toughest jobs. We specialize in Underground and Aboveground Oil Tank Removals, Tank Location Sweeps, Tank Testing, Environmental Investigation & Remediation, NJDEP Reporting, Phase I and Phase II Environmental Site Assessments and Helical Pile Installations.
"Jim and Ryan are a great team and do terrific work. Everything was done professionally and on a timely basis. Their fee was lower than others I contacted. Heartily recommend hiring these guys."
Mike S on March 2018
The Oil Tank Removal and Remediation Experts. S & H Industries has completed hundreds of oil tank removals in New Jersey and is also a full service environmental consulting and contracting company. With 30 years of experience in the environmental industry, you can rest assured that this family owned and operated company has the knowledge to complete even the toughest jobs. We specialize in Underground and Aboveground Oil Tank Removals, Tank Location Sweeps, Tank Testing, Environmental Investigation & Remediation, NJDEP Reporting, Phase I and Phase II Environmental Site Assessments and Helical Pile Installations.
"Jim and Ryan are a great team and do terrific work. Everything was done professionally and on a timely basis. Their fee was lower than others I contacted. Heartily recommend hiring these guys."
Mike S on March 2018
Agencie Architecture & Engineering
Agencie Architecture & Engineering
AGENCIE is a creative technical practice offering Architecture, Engineering, and Design Build services. Our architects & engineers work in collaborative teams combining technical expertise with design artistry. Our work has been published internationally, including features in the New York Times, Dwell, World of Interiors, MSNBC, New York Magazine, The Huffington Post, and Fast Company. Since our inception in 2007, we have completed over 117 projects in excess of $132MM worth of capital improvement costs. We love what we do and would welcome an opportunity to learn more about your upcoming project.
AGENCIE is a creative technical practice offering Architecture, Engineering, and Design Build services. Our architects & engineers work in collaborative teams combining technical expertise with design artistry. Our work has been published internationally, including features in the New York Times, Dwell, World of Interiors, MSNBC, New York Magazine, The Huffington Post, and Fast Company. Since our inception in 2007, we have completed over 117 projects in excess of $132MM worth of capital improvement costs. We love what we do and would welcome an opportunity to learn more about your upcoming project.
Ferima Faye Haidara Studio
Ferima Faye Haidara Studio
Full Service Interior Design Firm
Full Service Interior Design Firm
RAHMANAN ARCHITECTURE + PLANNING P.C.
RAHMANAN ARCHITECTURE + PLANNING P.C.
corporate interiors, new development, facade restoration, retail, high-end residential
corporate interiors, new development, facade restoration, retail, high-end residential
DreamBuildersNY
DreamBuildersNY
Family run business,Top Notch quality as a rule,every customer is important
Family run business,Top Notch quality as a rule,every customer is important
Murdoch Engineering
Murdoch Engineering
At Murdoch Engineering, we provide engineering services that far exceed our clients’ expectations. Throughout the last decade, we have developed a keen understanding of design methods, materials, and manufacturing processes exclusive to the construction of sign structures. This knowledge gives us an invaluable advantage when providing engineering services for sign manufacturers.
At Murdoch Engineering, we provide engineering services that far exceed our clients’ expectations. Throughout the last decade, we have developed a keen understanding of design methods, materials, and manufacturing processes exclusive to the construction of sign structures. This knowledge gives us an invaluable advantage when providing engineering services for sign manufacturers.
The Speonk, NY 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.
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.
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.
Removing columns can open up a space, but you’ll need to exercise caution to avoid damaging your home’s structure. Use these steps to find out if your column is load-bearing.
A squeaky floor may just be an annoyance, or it may signal a structural problem. Learn when to be concerned about a squeaky floor.
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