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Top-Rated Contractors in Preston - Updated Nov 2026

Avatar for Flood Crew LLC
Flood Crew LLC
4.6(
40
)
Major Home Repairs (General Contractor)

Serving Preston, MD and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Went wonderful with the contractor. They were great to work with and helped us navigate a very troublesome insurance company. They drove from northern Virginia to silver spring to do the work as well, not any easy task and a long commute in traffic. They were just great."
After carpets were cleaned.
Before and after of Medallion
After color sealed
Apartment carpet cleaning
Drying bathroom wood subfloor from kitchen using indirect control heat, controlled by thermostat we set in place

+57

Recommended by88%of homeowners
Avatar for Arius Builders and Engineers LLC
Arius Builders and Engineers LLC
5.0(
6
)
Major Home Repairs (General Contractor)

Serving Preston, MD and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Provided complete construction drawings on time, which were approved by county without any need for revisions. Sepehr and Saed were very responsive and were quick to perform a site visit and start the work. Highly recommend due to professionalism and expertise."
Foundation Plan
New Kitchen
Prepped the kitchen for sanding and hardwood restoration
Masonry Depot Structural Elevations
Truss shoring support

+25

Recommended by100%of homeowners
Avatar for All Pro Exteriors
All Pro Exteriors
4.6(
62
)
Major Home Repairs (General Contractor)

Serving Preston, MD and surrounding areas

In business since 1991

Emergency services offered

"wasn't able to do the project in the time frame so we didn't use him.  He was very quick to call back and set up a meeting.  Said he would be able to do the job but then saw it and said no he couldn't.  His pricing was good but he was just a one man service with no helpers.
"
Recommended by94%of homeowners
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Unfinished Carpentry FAQs, answered by experts

When deciding whether to use nails or screws for framing, the specific needs of the project must be taken into account. Nails have long been the go-to option for framing due to their affordability, ease of installation, and ability to withstand shear forces. They are perfect for structural framing projects where fast assembly is essential. In contrast, screws offer exceptional holding power and are particularly useful in situations requiring increased strength and resistance to pull-out forces. For projects that prioritize accuracy and long-lasting quality, screws may be the preferred option, though nails remain a dependable and efficient choice.

Converting a carport into a garage can vary in difficulty depending on its configuration, the condition of the foundation or slab, and its location relative to the house. The process has a lot in common with a home addition, but you can often skip non-essential finishes like fine flooring, trim work, or even drywall and HVAC. The conversion requires experience with drywall, insulation, and other building materials to ensure it’s done safely and correctly. While it might be possible for a DIYer with the proper tools and skills to do the work, it is a complicated and potentially dangerous job. If you’re new to basic construction, it's best to leave this project to the professionals.

Balcony construction or replacement typically requires a building permit from your local permitting authority. Safety and building integrity are the main reasons for the need to obtain a permit and the subsequent inspections. In some cases, especially cantilevered balconies, your municipality may also require the oversight and signature of a structural engineer.

Framing a basement takes three to five days, on average, when completed by a professional, though it may take longer for a larger space. Keep in mind this doesn’t include the time to complete the design, obtain permits, and install the drywall on the framing. On average, fully finishing a basement takes an average of 45 days.

Duration varies by project size, but average-sized homes typically take a weeks.

The Preston, MD homeowners’ guide to contractor services

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