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Engineer structural pros in Washington DC

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

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
18 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 Soil & Structure Consulting, Inc.

Soil & Structure Consulting, Inc.

1889 Preston White Drive, Unit 104
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Soil & Structure Consulting, Inc.

1889 Preston White Drive, Unit 104
New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
22 local quotes requested
25 years of experience

Soil & Structure Consulting, Inc., is a certified Professional Engineering Firm, operating under the direction of professional structural and geotechnical engineers. We provide a full range of engineering services, for residential and commercial customers. Soil & Structure Consulting, Inc., specializes in Soil and Structural Engineering. We always work with you from beginning until end on project idea, and creation. We are certified and licensed, in the Virginia and DC areas, our customers date back to 1998. Give us a call today, and we can discuss what you have in mind, thank you.

Soil & Structure Consulting, Inc., is a certified Professional Engineering Firm, operating under the direction of professional structural and geotechnical engineers. We provide a full range of engineering services, for residential and commercial customers. Soil & Structure Consulting, Inc., specializes in Soil and Structural Engineering. We always work with you from beginning until end on project idea, and creation. We are certified and licensed, in the Virginia and DC areas, our customers date back to 1998. Give us a call today, and we can discuss what you have in mind, thank you.

Avatar for Xtra Care Landscaping & Design INC

Xtra Care Landscaping & Design INC

8511 Gue Rd
4.79(
214
)
•Approved Pro

Xtra Care Landscaping & Design INC

8511 Gue Rd
4.79(
214
)
•Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1605 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!

"Great job. Knowledgeable and professional"

Keith M on September 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!

"Great job. Knowledgeable and professional"

Keith M on September 2025

Avatar for East Coast Landscape Design

East Coast Landscape Design

2000 SPENCERVILLE ROAD
4.59(
139
)
•Approved Pro

East Coast Landscape Design

2000 SPENCERVILLE ROAD
4.59(
139
)
•Approved Pro
Customers say: Quality work
932 local quotes requested
46 years of experience

BEAUTIFUL OUTDOOR LIVING. East Coast creates inspiring landscapes, hardscapes, water features and drainage solutions that bring beauty, new outdoor experiences and exceptional value to your life and home. SPECIALIZING IN: Patios, walkways, driveways, landscaping, fire pits, outdoor kitchens, retaining walls, outdoor lighting, drainage and erosion control (including eco-friendly permeable pavers, dry riverbeds and rain gardens through RainScapes and RiverSmart rebate programs). TRUSTED: Employees drug tested and background checked. License #42490. Insurance #Q89-0102236-M. ADDITIONAL EMAIL: mark@eclandscapedesign.com

"that Roberto and the crew did a great job on the retaining wall and driveway. The workmanship was excellent, and Roberto accommodated my every request for alterations in the design without question. In addition, his suggestions contributed to creating the finished product that I had envisioned."

Robert R on February 2025

BEAUTIFUL OUTDOOR LIVING. East Coast creates inspiring landscapes, hardscapes, water features and drainage solutions that bring beauty, new outdoor experiences and exceptional value to your life and home. SPECIALIZING IN: Patios, walkways, driveways, landscaping, fire pits, outdoor kitchens, retaining walls, outdoor lighting, drainage and erosion control (including eco-friendly permeable pavers, dry riverbeds and rain gardens through RainScapes and RiverSmart rebate programs). TRUSTED: Employees drug tested and background checked. License #42490. Insurance #Q89-0102236-M. ADDITIONAL EMAIL: mark@eclandscapedesign.com

"that Roberto and the crew did a great job on the retaining wall and driveway. The workmanship was excellent, and Roberto accommodated my every request for alterations in the design without question. In addition, his suggestions contributed to creating the finished product that I had envisioned."

Robert R on February 2025

Avatar for M Reyes Services

M Reyes Services

Located
5.00(
8
)
•Approved Pro

M Reyes Services

Located
5.00(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4895 local quotes requested

Handyman business locally owned and operated we see feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"We highly recommend M. Reyes Services. They arrived promptly and listened to what we wanted and offered professional suggestions to the project. Their professional, courteous, knowledgeable, understanding of landscaping achieved what we wanted, they superseded our vision. They also cleaned up and took all the trash away. We're already talking about another project we want them to do. Thank you, Reyes Services for a job well done!!!"

Denise B on August 2025

Handyman business locally owned and operated we see feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

"We highly recommend M. Reyes Services. They arrived promptly and listened to what we wanted and offered professional suggestions to the project. Their professional, courteous, knowledgeable, understanding of landscaping achieved what we wanted, they superseded our vision. They also cleaned up and took all the trash away. We're already talking about another project we want them to do. Thank you, Reyes Services for a job well done!!!"

Denise B on August 2025

Avatar for MA Cleaning & Landscaping Design Inc

MA Cleaning & Landscaping Design Inc

13617 Creekside Dr
4.68(
444
)
•Approved Pro

MA Cleaning & Landscaping Design Inc

13617 Creekside Dr
4.68(
444
)
•Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1054 local quotes requested

An established family firm, MA Cleaning & Landscaping Design remains focused on providing the highest quality landscape services to commercial and residential clients in the DMV region. Founded in 1998, MA is a U.S. Small Business Administration 8(a) certified privately held family organization. Our mission is to design the yard of your dreams by providing landscape services that enhance the beauty of your garden and the value of your property. Through our unique blend of talents and expertise, our staff can create the ideal outdoor environment to compliment any structure or living space. Whether that is providing beautiful green surroundings to enhance the workplace, improving the functionality of an outdoor area or creating a unique space of tranquility in your home, MA is here to serve.

"MA Cleaning and Landscaping works quickly. We agreed to the quote they provided and they showed up 4 days later, on time, and completed the work within 6 hours. The employees were professional and very nice people to work with. The price that was quoted was reasonable and honored. Paying online was easy and transparent. We would use them again!"

Sam T on September 2025

An established family firm, MA Cleaning & Landscaping Design remains focused on providing the highest quality landscape services to commercial and residential clients in the DMV region. Founded in 1998, MA is a U.S. Small Business Administration 8(a) certified privately held family organization. Our mission is to design the yard of your dreams by providing landscape services that enhance the beauty of your garden and the value of your property. Through our unique blend of talents and expertise, our staff can create the ideal outdoor environment to compliment any structure or living space. Whether that is providing beautiful green surroundings to enhance the workplace, improving the functionality of an outdoor area or creating a unique space of tranquility in your home, MA is here to serve.

"MA Cleaning and Landscaping works quickly. We agreed to the quote they provided and they showed up 4 days later, on time, and completed the work within 6 hours. The employees were professional and very nice people to work with. The price that was quoted was reasonable and honored. Paying online was easy and transparent. We would use them again!"

Sam T on September 2025

Avatar for Horizon Landscaping Designs LLC

Horizon Landscaping Designs LLC

Unknown
4.86(
109
)
•Approved Pro

Horizon Landscaping Designs LLC

Unknown
4.86(
109
)
•Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
593 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

"Really excellent service and great workmanship. Our job was a planter box/retaining wall hardscape. The service was very professional - always on time and great communication. The estimate was competitive, and the company was willing to work with me to scope the work to what I wanted to have done. We are very happy with the quality of the job. We will definitely use this service again, and I would highly recommend this company for hardscaping."

Marina U 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

"Really excellent service and great workmanship. Our job was a planter box/retaining wall hardscape. The service was very professional - always on time and great communication. The estimate was competitive, and the company was willing to work with me to scope the work to what I wanted to have done. We are very happy with the quality of the job. We will definitely use this service again, and I would highly recommend this company for hardscaping."

Marina U on September 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
642 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 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
104 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

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FAQs for engineer structural projects in Washington DC, DC

The timeframe for installing an LVL beam depends on your project's complexity and scope. Factors affecting the timeline include whether walls need removal, the beam's size, and whether electrical or plumbing modifications are necessary. Your contractor should provide a specific timeline estimate based on your home's unique circumstances and the specific requirements of your installation.

Financing options are available for structural improvements like LVL beam installations. Many homeowners use home equity loans or lines of credit, often offering favorable interest rates for home improvement projects. Some contractors partner with financing companies to provide payment plans directly. When gathering quotes, ask potential contractors about financing partnerships they maintain or recommendations for lenders experienced with home renovation projects.

LVL beams become necessary when you need to span greater distances without support columns or when supporting substantial loads. Traditional lumber can't span more than eight to 12 feet without support, while LVL beams can extend up to 30 feet. LVL provides the necessary strength to create truly open concept spaces or support upper floors without columns. Consulting with a structural engineer helps determine the appropriate beam type for your specific requirements.

Beyond the core installation, the budget for build-back costs totals $400 to $2,000, depending on the extent of affected finishes. If foundation reinforcement becomes necessary, allocate $1,000 to $3,000 per pier. Permit fees ranging from $100 to $500 should also be anticipated. For installations affecting utilities, factor in electrician rates of $50 to $130 per hour and plumber rates of $45 to $200 per hour if rerouting is required.

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.

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