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Custom General Service LLC

Free on-site estimate


Responds within a day


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About
Custom General Services LLC was established in 2022 with an extensive roofing experience. A company highly committed to customer service, always thinking of the customer with optimal, fast and professional service. We specialize in roofing installations as well as repairs siding and windows. We focus on quality, attention to detail, and customer service. We stand out for quality and customer service. We look forward in working with you.
Overview

Serves Silver Spring, MD

Background checked

License verified

3 employees

3 years in business

Business hours

SunClosedMon8:00 am - 8:00 pm

Payment methods

This pro accepts payments via Cash, Check, and Zelle.

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Services offered
Work needed
Building height

Single-level

Two-story

Three-story

High-rise

New roof type

Asphalt shingles

Metal

Clay or concrete tile

Wood shingles or shakes

Projects and media

15 photos

Projects and media

15 photos

Reviews

Customers rated this pro highly for work quality, responsiveness, and professionalism.

Exceptional 5.0

5 reviews

5

100%

4

0%

3

0%

2

0%

1

0%


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Robert E.

3 days ago

I’ve had Custom General Services do two jobs for me now, and a third is planned. They have been exceptional in every sense of the word. The roof job they did for me was top-notch and they completed it timely, without interruption and left the grounds spotless. They recently redid the flashing around my very large chimney in copper and it’s a showpiece. Mario is extremely professional, responsive and competitively priced — and a super nice fellow besides. I wholeheartedly recommend him without hesitation.
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Mauricio S.

4 days ago

Mario was on time, friendly, and explained everything clearly. The repair was done fast and looks perfect. Good price and excellent service — I’ll definitely hire him again!
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Nick D.

4 days ago

Mario and his team have done work for me for many years. He’s very talented and has been an asset for me for years. He really cares about the jobs and goes beyond what is expected to make sure that the customers are satisfied and well taken care of. A standard not seen with many other small companies.
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Juan R.

4 days ago

They did great job and there are very clean.
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Carol A.

4 days ago

I recommend it, they did an excellent job.
Credentials
License

License type: Home Improvement Contractor

License state: MD

License verified on 10/21/2025

Background Check

Mario Machado Castellon