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Find Engineer structural pros in Washington DC

Avatar for A & A Structures LLC

A & A Structures LLC

22 Holly Leaf Court
4.95(
10
)
Approved Pro

A & A Structures LLC

22 Holly Leaf Court
4.95(
10
)
Approved Pro
Super Service Award
Customers say: Quick response
10 years of experience
Emergency services offered

Welcome to A & A Structures LLC, proudly servicing Bethesda and the surrounding areas. We provide Structural Engineering services for residential buildings, which include: modification to the building structures, structural damage assessment and solution, structural plans for building permits, and similar projects.

"Yahya is a total pro! Highly recommended him."

steven k on October 2025

Welcome to A & A Structures LLC, proudly servicing Bethesda and the surrounding areas. We provide Structural Engineering services for residential buildings, which include: modification to the building structures, structural damage assessment and solution, structural plans for building permits, and similar projects.

"Yahya is a total pro! Highly recommended him."

steven k on October 2025


Avatar for OGV Structural Engineering

OGV Structural Engineering

4951 Webbed Foot Way
4.96(
23
)
Approved Pro

OGV Structural Engineering

4951 Webbed Foot Way
4.96(
23
)
Approved Pro
Super Service Award
Customers say: True professional
15 local quotes requested
10 years of experience

OGV offers property condition assessments, due diligence, and existing conditions surveys. In addition to structural evaluations and investigations, as a Professional Structural Engineer License Holder (P.E.), we help and provide peer review, required documents, and permit inquiries for counties and local agencies.

"Omid, was very nice, arrived on time and was able to quickly identify which columns were load bearing columns, so that we could informed renovation decisions. He alo offered general useful information. We would use him again."

Jeanell H on September 2025

OGV offers property condition assessments, due diligence, and existing conditions surveys. In addition to structural evaluations and investigations, as a Professional Structural Engineer License Holder (P.E.), we help and provide peer review, required documents, and permit inquiries for counties and local agencies.

"Omid, was very nice, arrived on time and was able to quickly identify which columns were load bearing columns, so that we could informed renovation decisions. He alo offered general useful information. We would use him again."

Jeanell H on September 2025


Kamran Ohi P E

1025 Jefferson St NW
4.78(
165
)
Approved Pro

Kamran Ohi P E

1025 Jefferson St NW
4.78(
165
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
43 local quotes requested

Small business, self employed, use subcontractors that I can trust, minimum consultation and visit fee $295. That includes, site visit, inspection, and a verbal on site report and follow up with contractors as needed . The fee for site visit and inspection is a flat fee, basically it is the charge to drive to your location and provide a verbal report. This fee does not include a written formal report. A written report is approximately an additional $300. I work evenings and weekends as needed, structural, architectural and mechanical design, inspections and reports, fronsic, expert witness. Please contact by phone or email: Kamran@ohi-group.com. I will be on Vacation from July 9th till July 25th

"Kamran was easy to coordinate with and schedule the inspection. He was prompt and thorough with his review. His write-up was completed in a couple of days without any follow-up being required."

Andrew C on May 2025

Small business, self employed, use subcontractors that I can trust, minimum consultation and visit fee $295. That includes, site visit, inspection, and a verbal on site report and follow up with contractors as needed . The fee for site visit and inspection is a flat fee, basically it is the charge to drive to your location and provide a verbal report. This fee does not include a written formal report. A written report is approximately an additional $300. I work evenings and weekends as needed, structural, architectural and mechanical design, inspections and reports, fronsic, expert witness. Please contact by phone or email: Kamran@ohi-group.com. I will be on Vacation from July 9th till July 25th

"Kamran was easy to coordinate with and schedule the inspection. He was prompt and thorough with his review. His write-up was completed in a couple of days without any follow-up being required."

Andrew C on May 2025


Zign Consulting Engineers, LLC

21226 Hickory Forest Way
5.00(
3
)
Approved Pro

Zign Consulting Engineers, LLC

21226 Hickory Forest Way
5.00(
3
)
Approved Pro
21 local quotes requested
11 years of experience

Structural design for residential and commercial. New , renovation, addition and underpinning. Licensed professional Engineer in DC, MD and VA We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Working with Zign Consulting has been the bright spot in an otherwise complex construction project. From the beginning, Zign Consulting was everything you hope for: honest, direct, highly capable, and urgent. After months of delays and complications caused by a previous architect, Zign Consulting stepped in and immediately brought clarity and direction. They swiftly got our plans completed and approved by DCRA—something the original architect struggled with for nearly a year. Their communication was transparent, their timelines were accurate, and their professionalism was unmatched. If you're looking for an architectural consultant who will advocate for your project and get things done the right way, Zign Consulting is the firm to hire. I can't recommend them enough."

Kameron F on July 2025

Structural design for residential and commercial. New , renovation, addition and underpinning. Licensed professional Engineer in DC, MD and VA We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Working with Zign Consulting has been the bright spot in an otherwise complex construction project. From the beginning, Zign Consulting was everything you hope for: honest, direct, highly capable, and urgent. After months of delays and complications caused by a previous architect, Zign Consulting stepped in and immediately brought clarity and direction. They swiftly got our plans completed and approved by DCRA—something the original architect struggled with for nearly a year. Their communication was transparent, their timelines were accurate, and their professionalism was unmatched. If you're looking for an architectural consultant who will advocate for your project and get things done the right way, Zign Consulting is the firm to hire. I can't recommend them enough."

Kameron F on July 2025


Avatar for Calcano Landscaping Service LLC

Calcano Landscaping Service LLC

901 West Nolcrest Drive
5.00(
1
)
Approved Pro

Calcano Landscaping Service LLC

901 West Nolcrest Drive
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
480 local quotes requested

We are a multi-functional landscaping company and offer the below services. Please feel free to contact us today! Yard Maintenance Landscaping Landscape Architectural Designs Trash, Tree, Leaf & Snow Removal Tree Services Handyman

"My experience was amazing. We just moving into our new house and were in desperate need of work to be done. And Calcaño Landscape came to the rescue. The owner Rafael is amazing at his craft. Will continue to call them for work needed. Thank you."

Drema R on February 2024

We are a multi-functional landscaping company and offer the below services. Please feel free to contact us today! Yard Maintenance Landscaping Landscape Architectural Designs Trash, Tree, Leaf & Snow Removal Tree Services Handyman

"My experience was amazing. We just moving into our new house and were in desperate need of work to be done. And Calcaño Landscape came to the rescue. The owner Rafael is amazing at his craft. Will continue to call them for work needed. Thank you."

Drema R on February 2024


Avatar for Remy Landscaping LLC

Remy Landscaping LLC

PO.BOX 574
4.61(
508
)
Approved Pro

Remy Landscaping LLC

PO.BOX 574
4.61(
508
)
Approved Pro
Customers say: Super punctual
430 local quotes requested
18 years of experience

Remy Landscaping LLC, is a small local company offering personalized service in landscape maintenance, landscape installation and fence installation to residential and commercial customers. Our competitive business serves all of Montgomery County with a combined total of 10 years experience. We believe in providing the highest quality service through honest and responsible work at competitive prices.

"Always great"

Ralph M on May 2024

Remy Landscaping LLC, is a small local company offering personalized service in landscape maintenance, landscape installation and fence installation to residential and commercial customers. Our competitive business serves all of Montgomery County with a combined total of 10 years experience. We believe in providing the highest quality service through honest and responsible work at competitive prices.

"Always great"

Ralph M on May 2024


Avatar for Baumann's Lawn & Landscape

Baumann's Lawn & Landscape

14409 Fairdale Rd
4.49(
134
)
Approved Pro

Baumann's Lawn & Landscape

14409 Fairdale Rd
4.49(
134
)
Approved Pro
Customers say: Quality work
1519 local quotes requested
38 years of experience

Additional contact: Matt Baumann, mattbaumann1@aol.com. Rick baumann, rbaumannjr@yahoo.com Currently not accepting jobs under $5,000 due to high demand. Check back for updates!

"quality of work is good. One issue was they tried to change agreed upon price after work was completed, however, they did honor original estimate. When reviewing my outside cameras to understand why agreed upon maintenance cost increased 100% from a few months earlier it became clear, two employees at all times were sitting in their truck while the other two were working..."

Brian H on October 2021

Additional contact: Matt Baumann, mattbaumann1@aol.com. Rick baumann, rbaumannjr@yahoo.com Currently not accepting jobs under $5,000 due to high demand. Check back for updates!

"quality of work is good. One issue was they tried to change agreed upon price after work was completed, however, they did honor original estimate. When reviewing my outside cameras to understand why agreed upon maintenance cost increased 100% from a few months earlier it became clear, two employees at all times were sitting in their truck while the other two were working..."

Brian H on October 2021


Avatar for Horizon Landscaping Designs LLC

Horizon Landscaping Designs LLC

Unknown
4.86(
110
)
Approved Pro

Horizon Landscaping Designs LLC

Unknown
4.86(
110
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
757 local quotes requested

Outdoor Designs it Includes: MASONRY AND HARDSCAPE Drainage Solutions, Patios, retaining walls, walkways, fireplaces, firepit, fences, driveways, columns, ponds, mulch, etc. We have general liability insurance License Maryland ( MHIC No. 133815 ) License Virginia Class A VA 2705189468 Free Estimate and Designs

"Horizon Landscaping Designs did a superb job of refurbishing the retaining wall on our property. It required a significant effort as it was over 20 years old and beginning to collapse. The work was completed in only two days and the crew worked nonstop to get it done. The work was flawless and the wall is in top condition now. The cost was reasonable and well worth the quality of the work. We highly recommend Horizon!"

Kathy K on September 2025

Outdoor Designs it Includes: MASONRY AND HARDSCAPE Drainage Solutions, Patios, retaining walls, walkways, fireplaces, firepit, fences, driveways, columns, ponds, mulch, etc. We have general liability insurance License Maryland ( MHIC No. 133815 ) License Virginia Class A VA 2705189468 Free Estimate and Designs

"Horizon Landscaping Designs did a superb job of refurbishing the retaining wall on our property. It required a significant effort as it was over 20 years old and beginning to collapse. The work was completed in only two days and the crew worked nonstop to get it done. The work was flawless and the wall is in top condition now. The cost was reasonable and well worth the quality of the work. We highly recommend Horizon!"

Kathy K on September 2025


Avatar for Master Fences

Master Fences

7400 Kilcreggan Ter
4.54(
192
)
Approved Pro

Master Fences

7400 Kilcreggan Ter
4.54(
192
)
Approved Pro
Customers say: Quality work
678 local quotes requested
20 years of experience

***8-Time SUPER SERVICE AWARD WINNER!!! Master Fences is a family owned business that has provided full fence and deck installation services to the local Maryland community for the past decade. We are known in the community not only for our customer service, but also for the high quality of work we can provide. We firmly believe that experience is important and have set that as our motto to let you know that you are getting the highest quality of work and materials available. We are dedicated to serving you well and for this reason have been well recommended among our customers.

"They were communicative, fast and responsive. The gate looks great. Would definitely rehire!"

Tamara V on July 2025

***8-Time SUPER SERVICE AWARD WINNER!!! Master Fences is a family owned business that has provided full fence and deck installation services to the local Maryland community for the past decade. We are known in the community not only for our customer service, but also for the high quality of work we can provide. We firmly believe that experience is important and have set that as our motto to let you know that you are getting the highest quality of work and materials available. We are dedicated to serving you well and for this reason have been well recommended among our customers.

"They were communicative, fast and responsive. The gate looks great. Would definitely rehire!"

Tamara V on July 2025


Avatar for Evolution Drafting

Evolution Drafting

1185 Utah Ave. Suite 107
3.97(
33
)
Approved Pro

Evolution Drafting

1185 Utah Ave. Suite 107
3.97(
33
)
Approved Pro
Customers say: Terrific value
7371 local quotes requested
7 years of experience

Our firm is a dynamic provider of drafting and house plan services, dedicated to turning your visions into tangible and pleasing structures. With a commitment to excellence, we bring expertise and innovation to every project we undertake. We specialize in comprehensive drafting services tailored to meet diverse client needs. Our offering include: Design: Crafting unique and functional designs that blend creativity with practicality. Drafting Services: Precision and attention to detail in creating accurate and detailed drafts for seamless project execution. 3D Modeling: Bringing designs to life with realistic 3D models that provide a vivid preview of the final structure. Project Management: From concept to completion, we offer end-to-end project management ensuring timely and efficient delivery. Interior Design: Enhancing spaces with innovative interior designs that harmonize aesthetics and functionality. Detail Services Offered: - Building Code Compliance - Construction Documentation - Renovation and Remodeling Plans About our Team: Our team comprises draftsman and project managers, each bringing a unique skill, style and experience to the table. Collaborative teamwork and alliance is at the core of our success, ensuring a holist approach to every project. We take pride in our commitment to delivering high-quality work on every project. Our rigorous quality control measures, pays attention to client requirements, and adherence to industry standards are the cornerstones of our success. Your satisfaction is our top priority and guarantee. At Evolution Drafting, we don't design structures; we create environments that inspire and endure. Work with us and experience the art of living.

"slow response times. no onsite visit, so had to confirm all measures myself. good product in the end."

jim E on September 2025

Our firm is a dynamic provider of drafting and house plan services, dedicated to turning your visions into tangible and pleasing structures. With a commitment to excellence, we bring expertise and innovation to every project we undertake. We specialize in comprehensive drafting services tailored to meet diverse client needs. Our offering include: Design: Crafting unique and functional designs that blend creativity with practicality. Drafting Services: Precision and attention to detail in creating accurate and detailed drafts for seamless project execution. 3D Modeling: Bringing designs to life with realistic 3D models that provide a vivid preview of the final structure. Project Management: From concept to completion, we offer end-to-end project management ensuring timely and efficient delivery. Interior Design: Enhancing spaces with innovative interior designs that harmonize aesthetics and functionality. Detail Services Offered: - Building Code Compliance - Construction Documentation - Renovation and Remodeling Plans About our Team: Our team comprises draftsman and project managers, each bringing a unique skill, style and experience to the table. Collaborative teamwork and alliance is at the core of our success, ensuring a holist approach to every project. We take pride in our commitment to delivering high-quality work on every project. Our rigorous quality control measures, pays attention to client requirements, and adherence to industry standards are the cornerstones of our success. Your satisfaction is our top priority and guarantee. At Evolution Drafting, we don't design structures; we create environments that inspire and endure. Work with us and experience the art of living.

"slow response times. no onsite visit, so had to confirm all measures myself. good product in the end."

jim E on September 2025

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FAQs for engineer structural projects in Washington DC, DC

The right type of engineer depends on the house you’re looking to build. Most builders work with structural engineers to ensure safety of the structure itself. For builds beyond a typical home up to 3,000 square feet, you might need a construction engineer.

Engineers work in a variety of fields, specializing in anything from structural to electrical work. Some work independently and are hired by large construction companies for complex projects. Others form engineering firms that oversee the entire construction project. They spend time on construction sites, but also work in offices to make calculations and prepare recommendations.

All 50 states require licenses for building engineers. Don’t work with a professional who doesn’t have an active license or doesn’t want to share their licensing number with you. It’s a crucial step in making sure you’re working with a reputable expert.

When you build an extension, you most likely need a structural engineer. They’ll work with the builder to make sure the space is safe, but also make sure that your addition follows the right zoning laws.

Loft conversions generally call for an engineer. The project will include working with beams and trusses that most likely hold up your roof or other parts of your home. You need a pro who can calculate the impact of making any changes.

Structural engineering is technically a subset of civil engineering. Most commonly in residential projects, civil engineers are accountable for sewage, water, and drainage, while structural engineers focus on the structure and its integrity.

Structural and architectural engineering are very similar. Both work with architects to make sure the designs don’t just look good but will hold up. The former is typically involved early on, making initial calculations. The latter is more closely involved with the architect, carrying a design from initial concept to actual build.

Hiring a structural engineer costs between $300 and $650 for most homeowners. The price is typically fixed at the beginning of the engagement. Your budget may need to range upwards of $1,250 if the pro doesn’t just provide an initial evaluation but partners with you throughout the construction.

The Washington DC, DC homeowners’ guide to engineer structurals

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