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Engineer structural pros in Rockville

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 years of experience

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(
1
)
Approved Pro
ZIGN CONSULTING ENGINEERS LLC
21226 HICKORY FOREST WAY
5.00(
1
)
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.

"I have many experiences with Zign and will continue to use them as a contractor that often needs design and engineering. Would recommend! "

shane h 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.

"I have many experiences with Zign and will continue to use them as a contractor that often needs design and engineering. Would recommend! "

shane h on June 2025


Avatar for Area Engineering, Inc.
Area Engineering, Inc.
1456 W. PULASKI HWY
4.72(
147
)
Approved Pro
Area Engineering, Inc.
1456 W. PULASKI HWY
4.72(
147
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
29 local quotes requested

Area Engineering, Inc. is a full service structural engineering company providing investigation, assessment, design, expert testimony, and forensic reports for existing buildings, new construction, and remodeling projects. We have over 10 yrs of experience in structural design and documentation of residential, commercial, industrial, and municipal building structure conditions. Typically, a verbal structural site inspection cost is $450, and a follow-up structural letter, documenting our findings, is $150 additional. Engineering design, reports, and testimony vary in cost. Please call us today for more details! Thank you.

"They were very professional and knew there stuff. They were very nice."

Prissie C on November 2024

Area Engineering, Inc. is a full service structural engineering company providing investigation, assessment, design, expert testimony, and forensic reports for existing buildings, new construction, and remodeling projects. We have over 10 yrs of experience in structural design and documentation of residential, commercial, industrial, and municipal building structure conditions. Typically, a verbal structural site inspection cost is $450, and a follow-up structural letter, documenting our findings, is $150 additional. Engineering design, reports, and testimony vary in cost. Please call us today for more details! Thank you.

"They were very professional and knew there stuff. They were very nice."

Prissie C on November 2024


Structures R Us
3704 Red Oak Lane
4.85(
62
)
Approved Pro
Structures R Us
3704 Red Oak Lane
4.85(
62
)
Approved Pro
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
14 years of experience

MD Registered professional engineer in State of MD DC VA PA. Approval of existing plans and Sealing for counties permits. Identifications and removal of load bearing walls. Over 30 years of structural engineering experience Foundations settlement evaluation and recommendations Design of wood , steel and concrete structures

"Cyrus was very professional in helping to get my project completed."

Mazariegos B on March 2025

MD Registered professional engineer in State of MD DC VA PA. Approval of existing plans and Sealing for counties permits. Identifications and removal of load bearing walls. Over 30 years of structural engineering experience Foundations settlement evaluation and recommendations Design of wood , steel and concrete structures

"Cyrus was very professional in helping to get my project completed."

Mazariegos B on March 2025


Avatar for Poche drafting + design, llc
Poche drafting + design, llc
12587 Rock Ridge Road
5.00(
1
)
Approved Pro
Poche drafting + design, llc
12587 Rock Ridge Road
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
33 local quotes requested

Poché d + d Professional and creative drafter and designer with 5+ years of professional CAD drafting and modeling experience and 30+ years of design practice in a variety of forms. I provide architectural drafting and design, creating 2D and 3D models and renderings, to help clients visualize their projects and give craftsmen clear, detailed plans that enable them to successfully realize the intended vision. Please reach out if you have: + A DIY project that requires plans and/or building permit. + You have a builder or contractor but need plans or visuals they don't provide. + Any questions to see if I am able to provide what you need.

"Angela did a fantastic job with the design and handled the changes from the county well (Montgomery County, MD)."

Steve H on June 2024

Poché d + d Professional and creative drafter and designer with 5+ years of professional CAD drafting and modeling experience and 30+ years of design practice in a variety of forms. I provide architectural drafting and design, creating 2D and 3D models and renderings, to help clients visualize their projects and give craftsmen clear, detailed plans that enable them to successfully realize the intended vision. Please reach out if you have: + A DIY project that requires plans and/or building permit. + You have a builder or contractor but need plans or visuals they don't provide. + Any questions to see if I am able to provide what you need.

"Angela did a fantastic job with the design and handled the changes from the county well (Montgomery County, MD)."

Steve H on June 2024


Avatar for Adam Contracting
Adam Contracting
8494 Signal Hill Rd Suite A
4.59(
160
)
Approved Pro
Adam Contracting
8494 Signal Hill Rd Suite A
4.59(
160
)
Approved Pro
Customers say: Quality work
72 local quotes requested
17 years of experience

My name is Justin LeBlanc, and I am the owner and operator of Adam Contracting. Adam Contracting considers customer satisfaction our highest priority, and we make sure that, as a client, you are satisfied not only with the affordability but the quality of our work. Adam Contracting is a fully licensed and insured company. Please feel free to contact us anytime for an estimate!

"My only regret is not hiring Adam Contracting sooner. From the beginning of the project, I was updated on the schedule and cost. All of the employees were professional, and skilled, and left my house clean after each task. If I had issues or noticed something that needed to be changed the owner addressed the concern immediately. I am very happy with the finished project!"

Nia W on November 2022

My name is Justin LeBlanc, and I am the owner and operator of Adam Contracting. Adam Contracting considers customer satisfaction our highest priority, and we make sure that, as a client, you are satisfied not only with the affordability but the quality of our work. Adam Contracting is a fully licensed and insured company. Please feel free to contact us anytime for an estimate!

"My only regret is not hiring Adam Contracting sooner. From the beginning of the project, I was updated on the schedule and cost. All of the employees were professional, and skilled, and left my house clean after each task. If I had issues or noticed something that needed to be changed the owner addressed the concern immediately. I am very happy with the finished project!"

Nia W on November 2022


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
542 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 Xtra Care Landscaping & Design INC
Xtra Care Landscaping & Design INC
8511 Gue Rd
4.78(
212
)
Approved Pro
Xtra Care Landscaping & Design INC
8511 Gue Rd
4.78(
212
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1625 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!

"We are pleased with the work to clear our lot and are looking forward to designing our front planting beds with them."

Dan H on April 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!

"We are pleased with the work to clear our lot and are looking forward to designing our front planting beds with them."

Dan H on April 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
Super Service Award
Customers say: Quality work
290 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 Scott Siegel Architects
Scott Siegel Architects
1600 Montmorency Dr.1600 Montmorency Dr
4.00(
1
)
Approved Pro
Scott Siegel Architects
1600 Montmorency Dr.1600 Montmorency Dr
4.00(
1
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
56 local quotes requested

We provide traditional architectural services to our clients. We are selective on what types of architect projects we work on because we want to give you personal service and individual attention. We service Prince William, Montgomery, Fairfax County, Washington D.C. Licenses: Architect #: 9211 EXP: 9/25/2024 Architect #: 0401008083 EXP: 8/31/2025 Architect #: ARC5449 EXP: 4/30/2026 Memberships and Affiliations: AIA, NCARB, and CBO, Licensed in VA, MD, DC and MI

"Good. My first time hiring an architect. So lots of edits required, like downscaling fancy lighting to cut costs, and every time I had an edit I had to then edit something else again! He had a creative solution to a problem. Was very available for communication"

Lisa A on June 2024

We provide traditional architectural services to our clients. We are selective on what types of architect projects we work on because we want to give you personal service and individual attention. We service Prince William, Montgomery, Fairfax County, Washington D.C. Licenses: Architect #: 9211 EXP: 9/25/2024 Architect #: 0401008083 EXP: 8/31/2025 Architect #: ARC5449 EXP: 4/30/2026 Memberships and Affiliations: AIA, NCARB, and CBO, Licensed in VA, MD, DC and MI

"Good. My first time hiring an architect. So lots of edits required, like downscaling fancy lighting to cut costs, and every time I had an edit I had to then edit something else again! He had a creative solution to a problem. Was very available for communication"

Lisa A on June 2024

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Engineer structurals FAQs

The timeline for basement ceiling modifications spans four to 12 weeks, with the specific duration depending on your chosen method and project complexity. Floor-lowering projects often require more time due to careful excavation and foundation reinforcement processes. 

Weather conditions, permit processing, and unexpected structural discoveries can extend the projected timeline. Most homeowners should prepare for some disruption to normal household activities during critical construction phases.

Converting previously unusable basement space into a functional living area often increases your home's assessed value, which may impact property tax obligations. Tax assessment practices vary significantly between municipalities, with some jurisdictions basing calculations on finished square footage. 

To avoid surprises, contact your local tax assessment office before beginning construction to understand potential tax implications and budget accordingly for any anticipated increases.

Engaging a qualified structural engineer represents an essential first step for any basement ceiling project. These professionals evaluate foundation integrity, soil conditions, and load-bearing requirements to determine feasibility and recommend appropriate approaches. 

Their expertise helps prevent potentially catastrophic structural issues while ensuring compliance with building codes. Although this consultation adds to initial expenses, it provides crucial guidance that may prevent costly mistakes or safety hazards.

Historic or aging properties present unique challenges when modifying basement ceiling heights. Older construction methods, outdated materials, and accumulated settlement issues require specialized assessment. Heritage designations may impose additional restrictions or requirements on modification approaches. 

House-raising often provides advantages for older homes with compromised foundations, as it allows simultaneous foundation repair or replacement during the ceiling height modification process.

While professional contractors must handle all structural modifications, homeowners with appropriate skills may complete certain finishing aspects independently. Tasks potentially suitable for DIY include non-structural elements like painting, trim installation, or basic finishing work. 

However, all excavation, foundation modification, and house-lifting operations require specialized equipment and expertise. Attempting structural work without proper qualifications creates significant safety risks and potential property damage.

The homeowners guide to engineer structurals
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