Testimonials
What people say about us
Don´t just take our word for it. Read what our customers have to say
Convert Your Basement Into a Functional Family Space or a Smart Financial Asset
We are only taking 2 clients per month.
Secure Your Spot Before We’re Fully Booked!
Licensed, Insured, & Backed by a 5-Year Warranty
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Customer Reviews
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Satisfied Customers
Your Basement Transformation in 6 Easy Steps
Contact Us
Tell us about your basement project
Get an Estimate
We provide a rough cost over the phone or by email
Site Visit
We measure, help with selections, and send your final quote
Permits
We take care of all approvals and scheduling
Construction Begins
Once permits are approved, we start the work
Enjoy Your New Basement
Ready in just 4-8 weeks (after permits are approved-Please note legal suites may take longer)
Why Onyx Basements?
Tailored Solutions for Every Need
Whether you’re a homeowner looking for more space or an investor maximizing returns, we customize our approach to fit your goals.
Specialized Basement Experts
We specialize only in basements, ensuring your renovation is handled by a team that understands construction and legal suite compliance.
Clear Communication
We keep you informed every step of the way. No surprises, no hidden costs—just a seamless process.
Onyx was great with a basement development of mine. They’re timely and communicate well. They are reliable and very honest working. And their painter is amazing! The basement looks so good. 10/10 would work with again!
Onyx Construction did a fabulous job with our basement. Andreas was there every step of the way ensuring that the contractors kept on schedule and worked so hard himself. We can't say enough about how much effort he put in and we are very happy with the results.
Andreas was exceptional in creating what I envisioned into reality. He detailed the steps that he will take from start to finish and kept me in the loop throughout the entire process. Thank you Andreas!
I’m extremely impressed with Andreas and his team for developing my basement! They were professional, attentive, and delivered high-quality work on time. The transformation is exactly what I envisioned, and I couldn’t be happier with the final result. Highly recommend them.
Andreas and his team builds for us an amazing basement exactly as my son wanted with beautiful finishing he was following up with us with every small detail which was amazing and cleaning up after every work at the end he gives a beautiful basement and his work was unique, thank you so much Andreas and to all your support your a man that count on always I am so proud of you .
I hired Onyx for my basement development. Andreas & Sikander met all my needs & standards.
I’m really satisfied with the finishes especially with the bathroom. I would highly recommend them. I will hire them in the future again. Thank you guys
Still Have Questions?
We’ve gathered the most common questions to help you out!
Yes, our design team will handle all the drawings, permits and city
correspondence to ensure everything is done properly
Yes, in our 1 hour site visit we will go over the lay out and finishing options for your basement. You are also free to hire our interior designer or your own interior designer if you wish. If you decide to go with products that are not part of our selections, there is a chance of delay in delivery of the products.
Get a Free Consultation Today!
We make basement renovations simple, stress-free, and fully compliant.
We are only taking 2 clients per month
Secure Your Spot Before We’re Fully Booked!
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