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6 Years In Business

Company Details


  • Mon: 8:00 AM - 7:00 PM
  • Tue: 8:00 AM - 7:00 PM
  • Wed: 8:00 AM - 7:00 PM
  • Thu: 8:00 AM - 7:00 PM
  • Fri: 8:00 AM - 7:00 PM
  • Sat: 8:00 AM - 7:00 PM
  • Sun: Closed
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Sunroom construction.
  • Roof cover and deck construction.
  • Garage construction.
  • ADU construction.
  • And much more!
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Credit Cards Accepted


17 Verified Reviews*
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
*Reviews imported from Google have not been individually verified by HomeAdvisor.
Showing 1-10 of 17 results
4.0 Kurt W. Golden, CO

It took a while to get the permit lined up, but once work actually started, it went pretty quickly. The deck looks great!

5.0 Curtis S. Highlands Ranch, CO

Great company to work with! Consummate professionals with lots of experience. Willingness to add to the project and fix as we went was key in our experience. These guys will do it right and are always available for questions when needed!!!

5.0 Phyllis Olsen Google Review

We are extremely pleased with our patio cover! Daniel provided spot-on design help and attentive oversight to keep to schedule, and watching Yurii do the framing with his obvious experience (and strength!) was a pleasure. All personnel who contyributed to the building were outstanding in ability, dependability, and friendly helpfulness. Other building professionals who've worked with Custom Sunrooms expressed confidence in the company's integrity, which we also observed and benefited from. Highly recommended.

5.0 Stacey Brown Google Review

Daniel and his team were AMAZING to work with! From the very first drawings of our new deck and roof to the very last stages they were all a pleasure to work with. The team worked so hard during the summer heat to complete all of the projects on time and to be prepared for inspection. We were impressed with not only their work ethic, but also their attention to detail and how they cleaned up after themselves every day so we could still enjoy our patio and back yard during construction. We would highly recommend working with Daniel and Custom Sunroom!

Response from Company:

Thank you, Stacey! We will be happy to work with you again!

5.0 Abr S. Loveland, CO

Very good dedicated skill worker. Efficient I am satisfied & pleased.

5.0 Craig B. Arvada, CO

Everyone that worked on the project was professional and skilled at their trade. Communication was fantastic even when the material shortages caused a delay on the windows and doors. They brought my vision to life! They left the site clean every day. I got 5 bids on the project, (including a friend and a contractor I used to remodel the kitchen.). Custom Sunrooms had the best price even with this year’s crazy price increases on wood. All work passed inspections with ease. Payments were set based on progress or passing inspections. Fair, honest, hard working, and skilled. I would hire them again!

5.0 Denversky Dee Google Review

We highly recommend Daniel Semeacov and his crew. We would hire them again in a second. They built 2 beautiful decks for us. We went with Tiki-Torch TREX Transcend with hidden fasteners (those are great). Tiki-Torch looks like redwood, and it is a composite material which is on our HOA approved list. We got a number of quotes before hiring Daniel, and as with all builders, we checked out his references. They were excellent as were the photos of previous projects. His estimate was fair and we didn’t have to wait forever to get a quote. He sent it a few days after he was here, just like he said he would. Several of the deck companies who contacted us and came out took weeks to send us a quote. We paid a reasonable deposit upfront for materials and then paid the rest in installments as the work was completed. That is so smart. We wish more contractors did this. It gives homeowners confidence that the builders are solvent and honest. The workmanship on the decks was excellent. Floor Boards were properly and evenly spaced. Stairs and railings were well built. Every worker respected our time and respected our property. The crew showed up when they said they would. If the weather forecast was going to be too inclement to work on a particular day, they let us know ahead of time. Btw, they finished our decks in about 7 days in mid-January. So, yes, they build year round. They definitely handle the cold weather better than most people. Maybe that’s because one of the carpenters used to work in Siberia. No kidding! Lol! That said, we also were fortunate with the weather. There were only 2 days in January where it was too cold or snowy for them to build. The work areas were cleaned up every single day, and every scrap of trash was hauled away at the completion of the project. In the past we served on our HOA Boards, and we hired builders for many capital improvements. It was always a treat to find a builder who did excellent work, who was conscientious, and who was affordable. Finding Daniel was a real treat. We highly recommend this deck builder and his crew. Dee in Denver

Response from Company:

Hi, Dyane! Thank you for such a detailed review! We were glad to work with you and hope to see you soon!

5.0 Jonathan Matthies Google Review

I would like to thank Daniel and all of the staff at Customsunroom for the amazing work. Daniel was a joy to work with and was always available to answer questions and discuss any concerns or changes throughout our project. Daniel and his team tore down our old elevated deck, put in a concrete patio and installed a beautiful new deck in a timely manner.

Response from Company:

You are welcome!

5.0 David M Google Review

Customsunroom is great. They were very responsive, professional, great value, got the job done quick. I love my new deck. It's GREAT.

Response from Company:

Thank you!

4.5 Steve R. Broomfield, CO

excellent quality, good communication and fair price. some delays due to permit process and subcontractor availability. Andrew and Daniel added a four season room to our house, matching the existing materials and style perfectly. New addition looks like it has always been a part of the home.


Custom Sunroom
Hot Tub Sunroom.
Roof cover.
Gazebo & Fireplace.
Elevated deck.
Sunroom construction.
Multi-level deck.
Roof cover and deck.
Hot tub sunroom enclosure
Deck balcony construction
Dining room addition.
Sunroom addition.
Roof canopy over a patio
Sunroom with balcony
Mudroom addition
Sunroom addition.
Polycarbonate roof canopy
Roof canopy and deck.
Roof canopy and deck.
Roof canopy and fireplace
Sunroom projects

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