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Engineer structural pros in Reston

Kamran Ohi, PE
4020 Annandale Road
4.73(
130
)
Approved Pro
Kamran Ohi, PE
4020 Annandale Road
4.73(
130
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
49 years of experience

We are pleased to introduce you to Kamran Ohi. Kamran comes to you with over 30 years of industry experience. He has worked on hundreds of projects including residential, commercial, industrial and institutional. His experince goes back to design of well known landmarks such as Vietnam memorial wall and renovation of Pentagon. Kamran proudly provides structural engineering services to DC and the surrounding areas. His reputation is highly held and he takes each project very seriously. His pricing is very competitive and his workmanship is of the highest quality.

"Very professional and on time. Provided accurate and expert help, highly recommend this company."

Sidd G on January 2025

We are pleased to introduce you to Kamran Ohi. Kamran comes to you with over 30 years of industry experience. He has worked on hundreds of projects including residential, commercial, industrial and institutional. His experince goes back to design of well known landmarks such as Vietnam memorial wall and renovation of Pentagon. Kamran proudly provides structural engineering services to DC and the surrounding areas. His reputation is highly held and he takes each project very seriously. His pricing is very competitive and his workmanship is of the highest quality.

"Very professional and on time. Provided accurate and expert help, highly recommend this company."

Sidd G on January 2025


Avatar for Freeland Engineering, P.C.
Freeland Engineering, P.C.
10814 Courthouse Road
4.80(
62
)
Approved Pro
Freeland Engineering, P.C.
10814 Courthouse Road
4.80(
62
)
Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
20 years of experience

Along with being a full service Structural, Civil and Architectural engineering firm, we are also Virginia Class A General Contractors that specialize in structural repairs, renovations and modifications of all types. With the engineering and construction expertise under one roof we can "Analyze, Design and Build" any type of project and provide a central point of contact for all phases of any project. We specialize in Structural Engineering Assessments, Structural Analysis and Design using Wood, Steel, Concrete and Masonry, Architectural Building Plans, Foundation Repairs, Retaining Walls, Interior Wall Removal, Truss and Rafter Repairs, New Home Design-Build projects and much more.

"Structural repair. They did design, got County permit and did the work that passed county inspection. Brian is good in investigation of problem and creating engineering solution.. The workers did a very good job. Very happy with the job."

Jacob M on September 2022

Along with being a full service Structural, Civil and Architectural engineering firm, we are also Virginia Class A General Contractors that specialize in structural repairs, renovations and modifications of all types. With the engineering and construction expertise under one roof we can "Analyze, Design and Build" any type of project and provide a central point of contact for all phases of any project. We specialize in Structural Engineering Assessments, Structural Analysis and Design using Wood, Steel, Concrete and Masonry, Architectural Building Plans, Foundation Repairs, Retaining Walls, Interior Wall Removal, Truss and Rafter Repairs, New Home Design-Build projects and much more.

"Structural repair. They did design, got County permit and did the work that passed county inspection. Brian is good in investigation of problem and creating engineering solution.. The workers did a very good job. Very happy with the job."

Jacob M on September 2022


Avatar for Great Falls Septic Service Inc
Great Falls Septic Service Inc
380 Burnt Factory Rd
4.63(
99
)
Approved Pro
Great Falls Septic Service Inc
380 Burnt Factory Rd
4.63(
99
)
Approved Pro
Customers say: Quality work
76 local quotes requested
72 years of experience

With 70 years of experience, Great Falls Septic Service offers comprehensive commercial and residential septic services. From brand new installs, repairs and maintenance-preventative or emergency, you can count on us to take care of all things septic. Additionally, we offer roll off containers and perform lot clearing. Our team of skilled servicemen provide quality workmanship and excellent customer service to ensure your septic system is well-maintained and fully functional. If you're looking for a company that provides outstanding service and quality work at an affordable price, then look no further than Great Falls Septic Service. We will do everything possible to cater to our clients. Family owned & operated. Phone number(s) 540-545-7075 or 703-444-5600. Fax number 540-545-7077

"On time, friendly, effective."

David F on May 2023

With 70 years of experience, Great Falls Septic Service offers comprehensive commercial and residential septic services. From brand new installs, repairs and maintenance-preventative or emergency, you can count on us to take care of all things septic. Additionally, we offer roll off containers and perform lot clearing. Our team of skilled servicemen provide quality workmanship and excellent customer service to ensure your septic system is well-maintained and fully functional. If you're looking for a company that provides outstanding service and quality work at an affordable price, then look no further than Great Falls Septic Service. We will do everything possible to cater to our clients. Family owned & operated. Phone number(s) 540-545-7075 or 703-444-5600. Fax number 540-545-7077

"On time, friendly, effective."

David F on May 2023


Avatar for Yard By Yard Makeovers LLC
Yard By Yard Makeovers LLC
7304 Carroll Ave
4.78(
95
)
Approved Pro
Yard By Yard Makeovers LLC
7304 Carroll Ave
4.78(
95
)
Approved Pro
Customers say: Quality work
178 local quotes requested
27 years of experience

Brian David Mahan, Master Gardener, and his expert crew have been helping homeowners in Silver Spring and Takoma Park, Maryland since 1993. We can reshape and beautify neglected yards, or any yards. Our creative expertise can provide you with a basic plan compatible with your needs and budget

"Excellent workers that cleared a thick growth of bamboo from yard."

Amaris J on February 2023

Brian David Mahan, Master Gardener, and his expert crew have been helping homeowners in Silver Spring and Takoma Park, Maryland since 1993. We can reshape and beautify neglected yards, or any yards. Our creative expertise can provide you with a basic plan compatible with your needs and budget

"Excellent workers that cleared a thick growth of bamboo from yard."

Amaris J on February 2023


Avatar for Horizon Landscaping Designs LLC
Horizon Landscaping Designs LLC
Unknown
4.86(
108
)
Approved Pro
Horizon Landscaping Designs LLC
Unknown
4.86(
108
)
Approved Pro
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
946 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

"Excellently"

Dale S on December 2024

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

"Excellently"

Dale S on December 2024


Avatar for Divine Landscaping Inc
Divine Landscaping Inc
PO Box 5272
4.89(
28
)
Approved Pro
Divine Landscaping Inc
PO Box 5272
4.89(
28
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
568 local quotes requested

Divine Landscaping Inc is a full service landscape company. Our professional design team can help you from start to finish with ALL your landscape needs. From custom stone work, retaining walls, patios and walkways to carpentry, landscape lighting, water features, landscape design and installation. We give free estimates on all our work.

"Jaime and his crew did an outstanding job. True professionals and hard workers and I have found my long term lawn and landscaping company for good. Highly recommended and 5 stars all the way"

CJ H on September 2021

Divine Landscaping Inc is a full service landscape company. Our professional design team can help you from start to finish with ALL your landscape needs. From custom stone work, retaining walls, patios and walkways to carpentry, landscape lighting, water features, landscape design and installation. We give free estimates on all our work.

"Jaime and his crew did an outstanding job. True professionals and hard workers and I have found my long term lawn and landscaping company for good. Highly recommended and 5 stars all the way"

CJ H on September 2021


Avatar for E T General Contractor INC
E T General Contractor INC
15030 Owls Nest Road
4.48(
442
)
Approved Pro
E T General Contractor INC
15030 Owls Nest Road
4.48(
442
)
Approved Pro
Customers say: Super punctual
2022 local quotes requested
27 years of experience

Call or text us at (703) 906-9735 or +1 (571) 662-9675 ** ET General Contractor INC was formed to provide general contracting services in the commercial and residential industry. ET General Contractor INC is insured in the state of Virginia. We have a Class A Contracting License. Our employees are direct employees and we don’t subcontract any work. Our employees are trained individuals who are responsible and produce quality workmanship. In our 25 years of experience we've completed our jobs in a timely and professional manner. Here at ET General Contractor INC I, Julio, conduct weekly meetings to cover issues relating to job and personal safety. We practice open communication and team work with management and field personnel allowing growth and success. I would sincerely appreciate an opportunity to work with you on any of your projects. We do tree-work, patios, driveways, interior/exterior renovations, grading, roofing, deck building, window installation, retaining walls, drainage systems, we do it all.

"Julio and his team are some of the most qualified and hardworking people I have been around. We had a couple important projects in our backyard and crawl space. They were always on time, always responsive and did a phenomenal job for us."

Jordan W on December 2024

Call or text us at (703) 906-9735 or +1 (571) 662-9675 ** ET General Contractor INC was formed to provide general contracting services in the commercial and residential industry. ET General Contractor INC is insured in the state of Virginia. We have a Class A Contracting License. Our employees are direct employees and we don’t subcontract any work. Our employees are trained individuals who are responsible and produce quality workmanship. In our 25 years of experience we've completed our jobs in a timely and professional manner. Here at ET General Contractor INC I, Julio, conduct weekly meetings to cover issues relating to job and personal safety. We practice open communication and team work with management and field personnel allowing growth and success. I would sincerely appreciate an opportunity to work with you on any of your projects. We do tree-work, patios, driveways, interior/exterior renovations, grading, roofing, deck building, window installation, retaining walls, drainage systems, we do it all.

"Julio and his team are some of the most qualified and hardworking people I have been around. We had a couple important projects in our backyard and crawl space. They were always on time, always responsive and did a phenomenal job for us."

Jordan W on December 2024


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
543 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


Avatar for 3 J's Next Level Landscaping
3 J's Next Level Landscaping
4776 Benecia Ln
3.80(
10
)
Approved Pro
3 J's Next Level Landscaping
4776 Benecia Ln
3.80(
10
)
Approved Pro
1015 local quotes requested
16 years of experience

Take your dreams to the Next Level! In business since 2009, 3 Jay's Next Level Landscaping & Home Design has been serving greater Fairfax, Prince William & surrounding counties with the finest in landscaping and home designs in the industry. We offer everything from lawn care maintenance & landscaping to building your dream home. Built using the highest quality commercial & custom grade materials, we offer free estimates on all of our work. For larger projects, we offer custom design planning, in which you will receive a set of building plans approved by the county. These blueprints will be accompanied by an accurate 3D visual representation of what your project will look like upon completion. Our friendly staff have a combined experience of over 50 years & customer service has always been our top priority. We will always respond quickly to your requests, our prices are reasonable & our work is consistently performed to the highest caliber. Take your dreams to the Next Level & call us today for your free estimate!

"One word describes Next Level: Professionals. Julian and his crew were amazing, worked quick and after digging holes in the yard, they were able to put it back together like they were never there! I will be recommending them to anyone looking for a new sprinkler system."

Jesse W on May 2025

Take your dreams to the Next Level! In business since 2009, 3 Jay's Next Level Landscaping & Home Design has been serving greater Fairfax, Prince William & surrounding counties with the finest in landscaping and home designs in the industry. We offer everything from lawn care maintenance & landscaping to building your dream home. Built using the highest quality commercial & custom grade materials, we offer free estimates on all of our work. For larger projects, we offer custom design planning, in which you will receive a set of building plans approved by the county. These blueprints will be accompanied by an accurate 3D visual representation of what your project will look like upon completion. Our friendly staff have a combined experience of over 50 years & customer service has always been our top priority. We will always respond quickly to your requests, our prices are reasonable & our work is consistently performed to the highest caliber. Take your dreams to the Next Level & call us today for your free estimate!

"One word describes Next Level: Professionals. Julian and his crew were amazing, worked quick and after digging holes in the yard, they were able to put it back together like they were never there! I will be recommending them to anyone looking for a new sprinkler system."

Jesse W on May 2025


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
1204 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

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FAQs for engineer structural projects in Reston, VA

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 Reston, VA 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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