
Northeast Tacoma · family-owned
Concrete contractor in Tacoma, WA
Driveways, patios, walkways, steps and slabs, poured to the standards of commercial work and finished with care. Residential and commercial, Tacoma, Federal Way and nearby.
Licensed, bonded & insured · WA L&I ONYXCC*756PA
Services
Built for homes, designed for everyday life
Flatwork is the backbone of the business: driveways, patios, walkways, steps and slabs, in whatever finish suits the house.

Concrete Driveways
From single-car drives to wide approaches, poured and finished with clean lines and real strength.
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Patios & Outdoor Living
Custom patios for gatherings, grilling or relaxing, in broom, sand, exposed aggregate, stamped or colored finishes.
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Walkways, Steps & Sidewalks
Safe, functional access built to code and designed to blend with your home’s layout.
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Garage, Shop & Slab Floors
Solid, level slabs ready for vehicles, tools and daily use, finished for strength and longevity.
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Decorative Finishes
Exposed aggregate, stamped patterns, sand finishes or integral color: a custom touch that stands out.
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Concrete Removal & Replacement
We break out and haul away old, cracked or unwanted concrete, then replace it with a new, durable surface.
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Commercial precision, neighborly careWhy Onyx
Concrete isn't just work. It's a craft.
Onyx Concrete is led by Sergio Martinez, who comes from a family of cement masons and spent more than a decade as a commercial foreman before bringing those standards home.
That means level bases, proper forms and steel, and finishes laid with precision. It also means clear communication, honest work, and jobsites the crew would be proud to walk their own kids across.
“He carefully etched the borders, refined the curves, perfected the lines, and adjusted every brushstroke …”William M., front porch extensionAbout Onyx
How it works
What working with Onyx looks like
Taken from what customers say in their Google reviews.
A site visit and bid
Sergio comes out, looks at the job and explains what it needs.
Sergio came out same day to do a bid and spent a considerable amount of time explaining everything …Kortney C.
Options, in plain terms
Finishes, layout and budget, talked through before anything is poured.
Took the time to explain all my options … worked with my budget.M. B.
On time, every day
The crew shows up when they say and takes care of your yard and plants.
They arrived every morning at the exact time that was quoted.Morgan S.
Clean finish, follow-up
A clean site at the end, and answers about curing and care afterward.
… has even stopped by several times afterward to make sure the concrete was curing properly.William M.

Finishes
Pick the surface that fits the project
From classic broom to exposed aggregate, stamped or machine-burnished, every surface is laid with precision. Integral color is available too.
01Broom
Light texture with fine lines. Slip-resistant and low maintenance. Best for driveways, sidewalks and patios.
02Exposed aggregate
Decorative stone revealed on the surface. Upscale look with excellent traction for patios, driveways and walkways.
03Sand
Smooth with a subtle sandy texture. Softer underfoot for patios, pool decks and decorative walkways.
04Stamped
Patterns that look like stone, slate, brick or wood. Decorative and customizable for patios and courtyards.
05Hard trowel
Smooth, dense surface for garages, shops and warehouses.
06Burnished
Polished, reflective surface with a sleek sheen.
Reviews
5.0 stars from every Google review
16 reviews, all five stars. A few of them:
Sergio and his team crafted a gorgeous concrete patio with sauna and shower pads for us! I highly recommend them for your concrete projects. Sergio is a knowledgeable craftsman and fantastic communicator, who consistently went above and beyond to ensure we understood our options at each step of the process. His recommendations were spot on and helped us design a space that far exceeded our expectations in appearance and quality. He took extra time on multiple occasions to educate me on the materials and care involved in maintaining the slab and continues to be available for questions on upkeep. His crew was super friendly and professional, leaving us with a spotless yard after huge prep and pour days. Overall, we had a fantastic experience working with Sergio's crew at Onyx!
We had several quotes on our driveway, we chose Onyx because Sergio offered professionalism and the most reasonable price. We were impressed with how fast and efficient they were and their willingness to answer any of our questions on the spot. They arrived every morning at the exact time that was quoted. We were also pleased with how the team took care of surrounding plants, roses, and rockery. The driveway looks fantastic down to every detail. We would absolutely use this company again for concrete projects and would highly recommend them friends and family.
I will forever recommend Onyx for concrete work! Sergio and his team totally saved me last minute. The company I was going to work with flaked, and I had another contractor coming that Saturday to start the framing for my motorcycle garage. I called Onyx on Tuesday. Sergio came out same day to do a bid and spent a considerable amount of time explaining everything to me very transparently. He and his crew were at my house 8am sharp on Thursday morning and got the slab I needed done. Not only was Onyx super quick to help me in this situation, but they did an excellent job. This was just for the foundation of my little garage but they still made sure that it looked nice and was aesthetically pleasing. Sergio was incredibly knowledgable and brings over a decade of experience in commercial concrete work to residential customers. He was professional and transparent, which I greatly appreciated. Concrete work isn’t cheap in general but it is something you probably shouldn’t skimp on. Onyx was reasonably priced for the quality of work they delivered and I’m confident that this foundation was built to last. Thanks again to everyone at Onyx! See y’all on my next project.
Onyx has far surpassed my expectations. I originally considered another option that was the cheaper choice. There was a huge lack of communication and the quality of work was significantly below my standards. My expectations were not met to say the least. I ended up going with Onyx and it was the best decision I could have made. Communication was clear, quality of work was top tier, and the customer service was amazing. Sergio and Jazzlyn have both been great from start to finish. Would absolutely recommend onyx.
I couldn’t be happier with the concrete installation from Onyx Concrete. From start to finish, the entire process was smooth, professional, and well-organized. I had a botched DIY concrete job done the summer prior which did not meet mine or my wife’s standards. Onyx Concrete put my mind at east with a quote that included tearing out the old slab without breaking the bank. The quality of the work truly stands out—the finish is clean, durable, and exactly what I was hoping for. It’s clear they take pride in their craftsmanship, and it shows in the final result. Age old saying of “You get what you paid for!” They also made sure everything was cleaned up and left in great condition when the job was done. If you’re looking for reliable, high-quality concrete work, I highly recommend Onyx Concrete. I’m extremely satisfied with how everything turned out.
Onyx Concrete, did a fantastic concrete patio,walkway, and large concrete pad for a shed and pavilion,in our backyard. Sergio and all his crew were here on time.They were very considerate to our property and our neighbors. I'm very happy with this project. We can't say enough about how professional Onyx Concrete is and how comfortable we feel about hiring them for our front yard ,walkway ,driveway project.
Our work
Recent pours
Patios, driveways, walkways and porches from Onyx's own project photos.
Commercial
Flatwork done right, every time
Onyx is led by a cement mason with over a decade as a commercial foreman, and commercial flatwork is where that experience comes from. Floors and exterior flatwork are placed and finished to industry standards.
- Slabs on grade for warehouses, retail spaces and shops
- Parking lots, sidewalks and loading areas
- Level, durable floors placed with precision
- Licensed, bonded and insured in Washington

Service area
Tacoma, Federal Way and nearby
Based in Northeast Tacoma, Onyx works across Tacoma and the surrounding area.
Tacoma
Onyx Concrete is a Tacoma business, based in Northeast Tacoma. Driveways, patios, walkways, steps, garage slabs and decorative finishes for Tacoma homes, plus commercial flatwork.
Concrete in TacomaFederal Way
Federal Way is right next door to Onyx’s Northeast Tacoma base. Driveways, patios, walkways, steps, garage slabs and decorative finishes for Federal Way homes, plus commercial flatwork.
Concrete in Federal Way




