Top-rated engineer structural pros.

Get matched with top engineer structural pros in your area

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Engineer structural pros in Gaithersburg

Avatar for A & A Structures LLC
A & A Structures LLC
22 Holly Leaf Court
4.94(
8
)
Approved Pro
A & A Structures LLC
22 Holly Leaf Court
4.94(
8
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 local quotes requested

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.

"Very responsive to calls and texts. Provides detailed recommendations for your project. Which will save you money on material and labour."

Kojo D on April 2024

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.

"Very responsive to calls and texts. Provides detailed recommendations for your project. Which will save you money on material and labour."

Kojo D on April 2024


Zign Consulting Engineers, LLC
21226 Hickory Forest Way
5.00(
2
)
Approved Pro
Zign Consulting Engineers, LLC
21226 Hickory Forest Way
5.00(
2
)
Approved Pro
11 years of experience
Emergency services offered

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.

"Job 1. Fire DamagedHome Job 2. Tree Damaged Home "

vernon t on June 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.

"Job 1. Fire DamagedHome Job 2. Tree Damaged Home "

vernon t on June 2025


Avatar for Kuhlman Lawn Service
Kuhlman Lawn Service
PO Box 258
4.65(
75
)
Approved Pro
Kuhlman Lawn Service
PO Box 258
4.65(
75
)
Approved Pro
Customers say: Quality work
279 local quotes requested
23 years of experience

Kuhlman Lawn Service, LLC is a family owned and operated company that has more then 10 years experience and was started in 2002 and specializes in full maintenance contracts for both commercial and residential customers in the Montgomery County area's to include Poolesville, Dickerson, Boyds, Beallesville, Potomac. Can provide ala carte services to include but not limited to Spring clean up, pruning, mulching. Providing professional services with a family feel where an owner can be contacted 24/7 to address your concerns to keep your property maintained so you can just enjoy. Please give us a call as Lawn Maintenance is our specialty and enjoying the outdoors and not having to maintain it should be yours. Family owned and operated. Owners available 24/7 by phone.

"Kuhlman is great! Very knowledgeable, good prices and high quality work. Rose is the best! We call Kuhlman every time we need work done."

Darick F on May 2025

Kuhlman Lawn Service, LLC is a family owned and operated company that has more then 10 years experience and was started in 2002 and specializes in full maintenance contracts for both commercial and residential customers in the Montgomery County area's to include Poolesville, Dickerson, Boyds, Beallesville, Potomac. Can provide ala carte services to include but not limited to Spring clean up, pruning, mulching. Providing professional services with a family feel where an owner can be contacted 24/7 to address your concerns to keep your property maintained so you can just enjoy. Please give us a call as Lawn Maintenance is our specialty and enjoying the outdoors and not having to maintain it should be yours. Family owned and operated. Owners available 24/7 by phone.

"Kuhlman is great! Very knowledgeable, good prices and high quality work. Rose is the best! We call Kuhlman every time we need work done."

Darick F on May 2025


Avatar for New Horizons Landscaping LLC
New Horizons Landscaping LLC
P.O. Box 60661
5.00(
6
)
Approved Pro
New Horizons Landscaping LLC
P.O. Box 60661
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
133 local quotes requested

New Horizons Landscaping LLC specializes in landscaping and lawn maintenance services. We pride ourselves on the quality work we provide, while delivering great customer service. Please see some of the the services we offer below and call -or- click to schedule a free estimate today!

"The crew showed up on time, they performed the job extremely well. They transformed my back yard into a beautiful, very lush green lawn. Also, they did a good job cleaning up. Kevin knows what he is doing. And best of all, the price was very reasonable. I will recommend him and his crew to my neighbors."

Ilse S on April 2025

New Horizons Landscaping LLC specializes in landscaping and lawn maintenance services. We pride ourselves on the quality work we provide, while delivering great customer service. Please see some of the the services we offer below and call -or- click to schedule a free estimate today!

"The crew showed up on time, they performed the job extremely well. They transformed my back yard into a beautiful, very lush green lawn. Also, they did a good job cleaning up. Kevin knows what he is doing. And best of all, the price was very reasonable. I will recommend him and his crew to my neighbors."

Ilse S on April 2025


Avatar for Absolute Building and Construction
Absolute Building and Construction
4.88(
8
)
Approved Pro
Absolute Building and Construction
4.88(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
452 local quotes requested

Absolute Building and Construction has steadily grown from a small construction company, begun in 2000. We construct and manage projects ranging from minor interior renovations to some of the most complex commercial, public and industrial facilities in our region. Our approach to each project is always cooperative with client and designer satisfaction as the determining factors for success. Our innovative approach to pre-construction services and our self-performed capabilities allow us to deliver solutions that most often exceed our clients expectations. Our reputation is our greatest asset. We know that our reputation is built each and every day by the way we treat our clients, design teams and vendors. At Absolute Building and Construction, our employees are committed to our mission of, Achieving excellence in construction while enhancing the lives of all involved. This means holding ourselves to the Absolute highest ethical and professional standards, always doing what is fair. Call us today for your Remodeling needs! All electrical and plumbing services are subcontracted out to properly licensed companies

"Excellent. The workmanship was superior, and the time it took to finish all renovations was minimal. A, B, & C should be at the top of everyone's list for overall home remodeling."

William B on November 2021

Absolute Building and Construction has steadily grown from a small construction company, begun in 2000. We construct and manage projects ranging from minor interior renovations to some of the most complex commercial, public and industrial facilities in our region. Our approach to each project is always cooperative with client and designer satisfaction as the determining factors for success. Our innovative approach to pre-construction services and our self-performed capabilities allow us to deliver solutions that most often exceed our clients expectations. Our reputation is our greatest asset. We know that our reputation is built each and every day by the way we treat our clients, design teams and vendors. At Absolute Building and Construction, our employees are committed to our mission of, Achieving excellence in construction while enhancing the lives of all involved. This means holding ourselves to the Absolute highest ethical and professional standards, always doing what is fair. Call us today for your Remodeling needs! All electrical and plumbing services are subcontracted out to properly licensed companies

"Excellent. The workmanship was superior, and the time it took to finish all renovations was minimal. A, B, & C should be at the top of everyone's list for overall home remodeling."

William B on November 2021


Avatar for Xtra Care Landscaping & Design INC
Xtra Care Landscaping & Design INC
8511 Gue Rd
4.78(
213
)
Approved Pro
Xtra Care Landscaping & Design INC
8511 Gue Rd
4.78(
213
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1744 local quotes requested

We understand how important it is to have confidence in the people who design your landscape. We have a friendly staff of highly creative and capable people, and we pride ourselves in our excellent service recognized around DC area, Maryland and Virginia. That’s how we’ve built our business throughout more than 18 years and mostly through referrals. For more than a decade, Xtra Care Landscaping & Design, Inc, has provided professional lawn and yard maintenance as well as comprehensive landscaping design-build services to residential and commercial clients throughout the metropolitan Washington, DC area.Whether you choose mowing and edging, artificial turf or mulching our competitive pricing and professional service is among the best in the area, and be sure to ask about our complete landscape design-build services guaranteed to blend your home or office seamlessly into it’s natural surroundings. Call us for any of the listed services: Yard & Maintenance, Hardscaping, Sprinkler Systems, Lighting, Artificial Turf, Decks, Landscape Design, Going Green, Concrete Art, Or Commercial Maintenance!

"I recently worked with Cleber and the Xtra Care team on frontyard landscaping for our home in Potomac. I had an excellent experience from beginning to end. Cleber and his team are professional and detail-oriented. He is flexible to work with his clients and he listens, while sharing his own ideas. Cleber's team has expertise on landscaping, which was helpful as I requested for deer-resistant trees. Pricing is transparent with detail-oriented quotes that share line-item details on each plant, stone, or other item. Finally, on the day of, Cleber and his team worked efficiently and thoroughly. Each team member was polite and hardworking, and made the overall experience a pleasure. I look forward to continuing to work with Cleber and his team on my future landscaping and hardscaping needs."

Asif A on June 2025

We understand how important it is to have confidence in the people who design your landscape. We have a friendly staff of highly creative and capable people, and we pride ourselves in our excellent service recognized around DC area, Maryland and Virginia. That’s how we’ve built our business throughout more than 18 years and mostly through referrals. For more than a decade, Xtra Care Landscaping & Design, Inc, has provided professional lawn and yard maintenance as well as comprehensive landscaping design-build services to residential and commercial clients throughout the metropolitan Washington, DC area.Whether you choose mowing and edging, artificial turf or mulching our competitive pricing and professional service is among the best in the area, and be sure to ask about our complete landscape design-build services guaranteed to blend your home or office seamlessly into it’s natural surroundings. Call us for any of the listed services: Yard & Maintenance, Hardscaping, Sprinkler Systems, Lighting, Artificial Turf, Decks, Landscape Design, Going Green, Concrete Art, Or Commercial Maintenance!

"I recently worked with Cleber and the Xtra Care team on frontyard landscaping for our home in Potomac. I had an excellent experience from beginning to end. Cleber and his team are professional and detail-oriented. He is flexible to work with his clients and he listens, while sharing his own ideas. Cleber's team has expertise on landscaping, which was helpful as I requested for deer-resistant trees. Pricing is transparent with detail-oriented quotes that share line-item details on each plant, stone, or other item. Finally, on the day of, Cleber and his team worked efficiently and thoroughly. Each team member was polite and hardworking, and made the overall experience a pleasure. I look forward to continuing to work with Cleber and his team on my future landscaping and hardscaping needs."

Asif A on June 2025


Avatar for Mynor Stone Work
Mynor Stone Work
Based Out Of
5.00(
3
)
Approved Pro
Mynor Stone Work
Based Out Of
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
585 local quotes requested

We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"They were on time. And stayed on schedule with the work. They also helped out with adjusting to our budget helping us choose the best materials for our project."

Ruth M on April 2024

We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today!

"They were on time. And stayed on schedule with the work. They also helped out with adjusting to our budget helping us choose the best materials for our project."

Ruth M on April 2024


Avatar for Recinos Landscape and Hardscape
Recinos Landscape and Hardscape
5.00(
7
)
Approved Pro
Recinos Landscape and Hardscape
5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1162 local quotes requested

Landscaping, hardscaping and pavers services available. Give us a call or click to request a quote today!

"quick work, great look! even gave me a discount..."

Nevin J on May 2025

Landscaping, hardscaping and pavers services available. Give us a call or click to request a quote today!

"quick work, great look! even gave me a discount..."

Nevin J on May 2025


Avatar for The Outdoor Advantage LLC
The Outdoor Advantage LLC
526 Belfast Rd
4.48(
757
)
Approved Pro
The Outdoor Advantage LLC
526 Belfast Rd
4.48(
757
)
Approved Pro
Customers say: Quality work
5808 local quotes requested
22 years of experience

The Outdoor Advantage, LLC has been making customers happy in central Maryland by performing quality work at reasonable prices since 2002. We specialize in hardscape design and installation, mulching, hauling, planting, gutter cleaning, landscaping, power washing, snow removal and general outdoor maintenance. We help the homeowner add value to their land and create beauty according to the homeowner’s budget and dreams. It is our pleasure to serve the homes of Carroll County, Baltimore County and Baltimore City. We also have several customers as far south as Montgomery County.

"As a rule, I don't write reviews. Had to make an exception this time. Outdoor Advantage is outstanding. The crew reduced the eroding slopes adjacent to two driveways and placed sod. Placed four fairly mature flowering shrubs into large planters. One week later, and both sod and plants are thriving. The advice I received as to how to manage my needs was terrific. Great "plant knowledge". They patched up a bare spot not in the original work order. Thorough clean-up. "A+" all around."

James N on June 2020

The Outdoor Advantage, LLC has been making customers happy in central Maryland by performing quality work at reasonable prices since 2002. We specialize in hardscape design and installation, mulching, hauling, planting, gutter cleaning, landscaping, power washing, snow removal and general outdoor maintenance. We help the homeowner add value to their land and create beauty according to the homeowner’s budget and dreams. It is our pleasure to serve the homes of Carroll County, Baltimore County and Baltimore City. We also have several customers as far south as Montgomery County.

"As a rule, I don't write reviews. Had to make an exception this time. Outdoor Advantage is outstanding. The crew reduced the eroding slopes adjacent to two driveways and placed sod. Placed four fairly mature flowering shrubs into large planters. One week later, and both sod and plants are thriving. The advice I received as to how to manage my needs was terrific. Great "plant knowledge". They patched up a bare spot not in the original work order. Thorough clean-up. "A+" all around."

James N on June 2020


Avatar for Springwood Gardens Landscape
Springwood Gardens Landscape
3515 Flatwater Pl
3.93(
404
)
Approved Pro
Springwood Gardens Landscape
3515 Flatwater Pl
3.93(
404
)
Approved Pro
Customers say: Quality work
533 local quotes requested
15 years of experience

DBA - Springwood Gardens LLC. Our design build team offers over 40 years of experience and quality service. We are fully insured, and references available upon request. All work is guaranteed. Ask about our follow-up program that gives you two free check-ups for one year after we complete any project!

"Great. This is a great company! They do excellent work!"

ruth P on May 2025

DBA - Springwood Gardens LLC. Our design build team offers over 40 years of experience and quality service. We are fully insured, and references available upon request. All work is guaranteed. Ask about our follow-up program that gives you two free check-ups for one year after we complete any project!

"Great. This is a great company! They do excellent work!"

ruth P on May 2025

...
Showing 1-10 of 872

FAQs for engineer structural projects in Gaithersburg, MD

You should replace floor joists as soon as you see clear signs of structural trouble—sagging floors, wide wall cracks, uneven door frames, wet or rotting wood, persistent squeaks, or windows that no longer latch. Tilted or sinking supports in the crawl space are another red flag. If you notice any of these signs, call a pro right away to keep your home’s structure safe.

If the joists are exposed from below, a pro can swap them out without touching the finished floor above. In an unfinished basement or crawl space, you’ll often see the joists and can easily reach them. When insulation, subflooring, or finished flooring blocks access, the crew must remove these materials before repairs can begin.

Sistering allows a pro to reinforce a cracked or undersized joist without tearing up the entire floor. The contractor slowly raises the frame, then fastens a new joist snugly against the damaged one to share the load. When done correctly, sistering restores full structural strength and keeps the floor level without the cost of a complete replacement.

Floor joists installed correctly in a stable environment can last for 100 years or more, often outlasting the house itself. However, termite damage, moisture, leaks, and other problems can significantly reduce a floor's lifespan. For instance, if the floor is exposed to consistent moisture, you'll likely need to replace the joists every 20 to 30 years.

Homeowners' insurance covers floor joist damage resulting from sudden and accidental events, such as fire, windstorm, or water damage from a burst pipe. It will not cover repairs resulting from gradual deterioration, poor maintenance, or termite infestations. Review your insurance policy and consult your provider to verify the conditions that guarantee full coverage. Doing so ensures you are fully aware of your responsibilities and can plan your repair work with complete confidence.

Floor joists are essential structural components that provide a stable foundation for your home. They directly transfer the weight of floors, furniture, and occupants to the foundation, ensuring stability and a safe living environment. Without these robust beams, the structure would face compromised load distribution, leading to potential safety hazards and costly repairs. Proper installation and maintenance are crucial for long-term durability and safety.

The Gaithersburg, MD homeowners’ guide to engineer structurals
From average costs to expert advice, get all the answers you need to get your job done.
draftsperson working on house plans in an office
Jun 22, 2025
Jun 22, 2025
Budget for blueprint costs based on factors such as drafting fees, printing costs, square footage, rates for pros, alterations, blueprint type, and more.
Cozy house interior with a wooden floor
Jun 17, 2025
Jun 17, 2025
Explore how much it costs to replace floor joists based on factors such as the extent of damage, number of boards, and local labor rates.
Engineer and homeowner inspecting house foundation
Jun 11, 2025
Jun 11, 2025
Budget for structural engineer costs based on factors such as report type, inspection type, location, project scope, fee structure, and more.
Share project details to get started.