Top Building Addition Services in Mercer Island, WA

Right up front, I will say that they do good work. As long as it doesn’t matter if and when they complete that work. And that’s asking a lot of Corvid. We hired Corvid for a DADU extension to our Queen Anne house. Paid the down payment in October of 2019 ...

Carlos and his team have done a great job on our yard, on budget and on time. What else could you ask for? :)

We were very impressed with the professionalism shown by Carlos and his team. He responded to our request for proposal in a timely manner, was on time for all appointments, and delivered a top quality project on time and on budget. We look forward to work...

CSC has done two separate retaining walls for us. The prices were reasonable and the quality was high. The team they had come on time, work late, and never went over on the duration of the job. They are highly recommended as competitive to superior in ...

It was a pleasure to work with Carlos on our kitchen remodel. When we say 5 star outstanding we truly me it! We live in a older resident condo building and understand the stress Carlos had to put up with by the (nonappointed) community watchpeople conti...

After meeting with several remodeling contractors, I met Carlos to discuss a full remodel on 2 floors of a rental property including the kitchen and main bath. I was immediately impressed by his knowledge of what needed to be done, his ability to see my v...

I am an engineering student at the University of Washington and I called up Carlos to ask him a few questions about the procedure of building a retaining wall. Carlos was kind enough to spend his lunch break carefully detailing a general procedure for con...

Shortly after we moved into our 1968 built Twin Lakes home I had Carlos and crew clean/shape up all the old rhododendrens, remove old and moss covered shrubs. They removed the overgrown arborvitae and replaced with new. They also put in a sprinkler syst...

Of the many contractors I've hired while doing projects on my 100+ year old Victoria home, Carlos is without a doubt the most professional, timely, courteous, problem-solving, and creative. Carlos was enjoyable to work with, catered to my work schedule fo...

Can't say enough good things about our experience working with Carlos and his team. We were looking for a contractor to help us fix a water issue in the back of our house and also get a patio installed at the same time. Carlos was prompt to reply to my pr...

Carlos (and team) are top notch. I am trying not to use the cliche adjectives like "awesome", "fantastic", "amazing", etc. as it will just sound like the hundreds/thousands of other reviews out there and I don't want to downplay how great Carlos/CSC is (a...

Carlos was great to work with. He showed up when he said he would, made changes to his quote (as requested) in real time, and completed the work on time. I would definitely use him again.