Exterior Remodeling for Homeowners in Central Maryland

Why Homeowners Make the Diligent Choice

Homeowners in Mount Airy, Maryland and surrounding areas come to us when they’re concerned about their roofing, siding, windows, doors, and gutters. They rely on our reputation as a friendly, family-owned and operated business with more than a decade of experience. 

Covering All Sides

Your home is your biggest investment – and you need to take care of all of its sides. Right now, you may be worried about an older roof, embarrassed by your windows and doors, tired of your old siding, or nervous about your leaky gutters. Whatever your exterior remodeling needs, Diligent Exterior Remodeling has you covered with the care and expertise to get your job done right.

Contact us today for a free estimate and discover the difference in quality and service that Diligent Exterior Remodeling provides.



Windows & Doors


The Diligent Story

Meet Todd, Seth and Andrew, lifelong friends who share a passion for building and construction. From a young age, they spent countless hours designing and constructing projects including treehouses to forts and more. As they grew, their love for building never wavered, and they turned their passion into a business. With years of experience and a shared commitment to quality workmanship, they founded Diligent to provide exterior renovations to local homeowners. Through dedication to the industry and attention to detail, Todd, Seth and Andrew have quickly become trusted names in the community. 

Together, they’ve not only built a thriving business but also strengthened their lifelong friendships.

Why Choose Diligent

Working with Diligent, clients have come to expect exceptional workmanship for their roofing, siding, windows, doors, and gutters. They like our transparent pricing and our friendly service before, during, and after their projects. Clients appreciate the respect we show their family, homes, and neighborhood.

Flexible Financing Options

Exterior remodeling projects can be a significant investment. To support our clients, we’re pleased to offer financing options, which provide reliable interest rates and payment plans to suit almost any timeframe and budget. Clients get the exterior renovations they need without breaking the bank.

Military Discount & Offers

We appreciate our military for their service and sacrifice, and understand the unique challenges military families face in maintaining their homes. We are committed to providing top-quality services to help military families improve and maintain their homes, and often offer special discounts as a way to show their appreciation and support.

Exterior Remodeling Resources


Your Complete Roofing Spring Cleaning Checklist

The 2022-2023 winter in Maryland was fairly mild and mostly uneventful, weather-wise. And now, it\’s time to look forward to the renewal of spring. For some, spring is a time of cleaning to make their homes look and function their best – inside and out. If you’re this type of person, read on for more information on spring cleaning your roof!

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Referring Your Friends, Family, and Colleagues

Giving referrals can be a rewarding experience. When you refer someone to a business or service with whom you\’ve had a positive experience, you\’re sharing your satisfaction and helping them potentially have a similar experience. This can make you feel good and also strengthen your relationships with the friends, family, and colleagues you refer.

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House Door Installation

How Can I Use My Tax Refund Wisely?

This tax season, many homeowners are eager for their refund (we\’ll be checking the mail often!). But, this year, instead of a trip to Atlantic City, why not invest in something to benefit you and your home? Exterior remodeling is an excellent way to use your refund wisely.

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Gray vinyl siding panels shown midinstallation on a home’s exterior

Should I Consider New Siding?

Once upon a time, there was a homeowner named Jane who had been living in her house for over a decade. Her home was a beautiful bungalow-style house in Central Maryland she\’d purchased when she was just starting her career. Over the years, Jane had taken good care of her home, but the siding was starting to look a little worse for wear.

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Are You Neglecting Your Old Windows?

Do you need to put on an extra pair of socks when you’re watching a movie on the couch? Do you haul out a heap of blankets when the weather turns cold outside? Remember, heat rises and cold air drops to the floor. If your feet are cold, that’s a good sign your windows aren’t working as well as they should.

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Schedule an Appointment

Contact Us

Diligent Exterior Remodeling
6336 Davis Rd
Mt Airy, MD 21771
Phone: (301) 238-5113