- Central Maryland
- Howard County
- Montgomery County
- Prince George's County
About All In One Contractors
A Family-Owned Team Serving Central Maryland
All In One Contractors started with a simple frustration many Central Maryland homeowners know well. You hire one company for your roof, another for your basement, and a third for your kitchen, and by the time the work wraps up, you have spent more time managing contractors than enjoying your home. We built our brand to fix that problem, combining interior remodeling, exterior upgrades, and waterproofing under one roof.
That means the person who gives you a quote is the same person who stands behind the finished work. We are based in Olney and work throughout Montgomery, Howard, Frederick, and Carroll counties. We know these neighborhoods because we live in them too, and we have watched Maryland winters and summer storms take a toll on the same homes we now repair.
When you are ready to start your next project, call us at (301) 880-9927 or contact us online to book an appointment with our family team.
Service With Peace of Mind
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Tailored Solutions
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One-Stop Shop
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Quality Workmanship
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Statewide Expertise
The Story of All In One
Our founder grew up watching contractors treat clients like a line item instead of a neighbor. Homeowners were left guessing about pricing, waiting weeks for callbacks, and hiring separate crews for every part of a single project. We wanted something different for Olney and the towns around it, so we combined interior, exterior, and waterproofing work under one accountable team instead of three unrelated companies. That decision still shapes how All In One Contractors runs every project today.
Here is what that approach means for you:
- All In One Contractors is licensed and insured
- Free estimates with no pressure to sign
- Financing through HFS Financial
- Warrantied work you can rely on
- One crew for interior, exterior, and waterproofing projects
Every technician on our crew carries the required license and insurance, and every estimate reflects the true scope of your project. We also hold Better Business Bureau accreditation, which gives you one more way to check our record before you invite us into your home. That kind of consistency is what built our reputation in Central Maryland, one referral at a time.
Backed By The Best
Our Awards & Certifications
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“The communication was clear and concise. They took the time to find the problem and explained exactly how they were going to fix it and what the cost would be. They were punctual, respected our home, and solved the issue.”Seth N.
They Respected Our Home
"The communication was clear and concise. They took the time to find the problem and explained exactly how they were going to fix it and what the cost would be. They were punctual, respected our home, and solved the issue."- Seth N. -
“Overall, working with All In One Contractors was a very good experience, and I would recommend using them again for jobs that need a quick turnaround. The price was fair, and the work was handled with quality and very professionally.”Isaac P.
Quick Turnaround
"Overall, working with All In One Contractors was a very good experience, and I would recommend using them again for jobs that need a quick turnaround. The price was fair, and the work was handled with quality and very professionally."- Isaac P. -
“Juan is an honest, decent, respectful, fair-priced businessman. His entire crew follows his work ethic. I highly recommend Juan and All In One Contractors.”Gary S.
Honest & Fair-Priced
"Juan is an honest, decent, respectful, fair-priced businessman. His entire crew follows his work ethic. I highly recommend Juan and All In One Contractors."- Gary S. -
“Juan and his crew did an excellent job sealing cracks on our brickwork, repainting, caulking, power washing, and all the other tasks we agreed upon.”Harvey R.
Excellent Job
"Juan and his crew did an excellent job sealing cracks on our brickwork, repainting, caulking, power washing and all the other tasks we agreed upon."- Harvey R. -
“Juan and his team repaired some leaking pipes for me a while back and did an excellent job. They were very responsive and let me know every step of the way what was going on. I would highly recommend this company.”Linda J.
Very Responsive
"Juan and his team repaired some leaking pipes for me a while back and did an excellent job. They were very responsive and let me know every step of the way what was going on. I would highly recommend this company."- Linda J. -
“Juan and his team did a wonderful job with our bathroom. On the last day of completing my bathroom, both men left the area very clean. I would recommend All In One Contractors to anyone!”Paulette S.
Clean Work
"Juan and his team did a wonderful job with our bathroom. On the last day of completing my bathroom, both men left the area very clean. I would recommend All In One Contractors to anyone!"- Paulette S. -
“Juan and his crew did what they said they were going to do when they said they were going to do it. The work was done right and at a good price. I would definitely recommend Juan and his crew!”Kimberly C.
Work Done Right
"Juan and his crew did what they said they were going to do when they said they were going to do it. The work was done right and at a good price. I would definitely recommend Juan and his crew!"- Kimberly C. -
“They did everything exactly the way I asked them to do it. Great communication, with a focus on customer service and customer satisfaction. I plan to hire All in One Contractors again for some more exterior repairs and improvements!”Tony T.
Great Communication
"They did everything exactly the way I asked them to do it. Great communication, with a focus on customer service and customer satisfaction. I plan to hire All in One Contractors again for some more exterior repairs and improvements!"- Tony T. -
“Juan and his crew are very professional, reasonably priced, and knowledgeable. The construction areas always look better than they did prior to the work being done! I would highly recommend All In One Contractors.”Joseph L.
Highly Recommend
"Juan and his crew are very professional, reasonably priced, and knowledgeable. The construction areas always look better than they did prior to the work being done! I would highly recommend All In One Contractors."- Joseph L. -
“They displayed professionalism and confidence in all of their work. The results were outstanding, and their attention to detail could be seen throughout the project. I would not hesitate to use them again.”George S.
Outstanding Results
"They displayed professionalism and confidence in all of their work. The results were outstanding, and their attention to detail could be seen throughout the project. I would not hesitate to use them again."- George S.