April TurnerReady to turn your backyard into the ultimate outdoor retreat? Finding the best composite decking in San Antonio is the first step toward an elegant, lasting space that barely needs upkeep.
For a spot to host summer barbecues or a quiet place to unwind after a long day, the right material and contractor make all the difference.
Our local climate demands tough, resilient construction, so I dug into the top-rated deck builders around town. Let me walk you through my favorite picks to help you bring that dream patio to life.
How much does composite decking cost in San Antonio?
In San Antonio, professional composite decking installation generally runs from $12,000 to $32,000 for standard projects, depending on the square footage and material quality.
| Deck Size | Estimated Total Installed Cost |
| 8′ x 10′ (80 sq. ft.) | $3,200 – $6,400 |
| 12′ x 12′ (144 sq. ft.) | $5,750 – $11,500 |
| 16′ x 20′ (320 sq. ft.) | $9,600 – $19,200 |
| 20′ x 20′ (400 sq. ft.) | $12,000 – $32,000 |
1. Diamond Decks
Website: diamonddeckstx.com
Address: 20935 US Hwy 281 N #170
Contact: 210 383 8113 | [email protected]
Hours: Monday to Friday, 8:30 AM to 4:30 PM
Diamond Decks makes a backyard makeover feel more manageable by handling both the design and build side of custom outdoor structures. That full-service approach helps when you want a deck, patio cover, or pergola that feels planned.
What also helps is their focus on low-maintenance materials. They often favor boards that resist rot over time, so homeowners get more peace of mind after the project is finished.
While I was searching for reliable construction companies, I actually sat down with their team to sketch out a patio concept. Their grasp of local weather challenges came through right away.
The catch is that formal design consultations are strictly by appointment, so you can’t just walk in for a spur-of-the-moment planning session. It’s smart to book ahead before you visit.
Still, their knack for adding outdoor kitchens and pavilions turns a plain deck into a full backyard oasis.
Customer Reviews:
Amazing job
Diamond Decks was amazing; they built a deck extension, privacy wall, and reenforced deck for a jacuzzi. They did an amazing job and kept me informed the whole way and answered all the questions and where very accommodating to the plan additions that we had in the middle of building. They used composite wood that has a longer warranty and looks beautiful and very easy to clean.
Monique Escobar | Google Review
The end product is well done
Donnie and Kyle have completed two deck projects for us. Throughout both construction periods they were very helpful with design, selection of materials, placement of the bar, flower box, and other required decisions. We went with composite material on new construction. We recently had the other half of the deck cover installed. The construction crew were always mindful, helpful, and cleaned at the end of each day. Diamond Decks has built several decks in Sonoma Mesa. The end product is well done.
Richard S. Rios | Google Review
2. New Home Decks
Website: newhomedecks.com
Address: 7708 Wood Bluff
Contact: 726 233 0167 | [email protected]
Hours: Monday to Friday, 9:00 AM to 6:00 PM | Saturday, 10:00 AM to 5:00 PM
Finding a contractor who understands the architecture of a home is key to a seamless addition. New Home Decks shines here by building custom outdoor areas that blend into the existing structure, using high-grade manufactured materials made to last.
I love how they deliberately shape each build to complement the house, so the deck reads as a natural extension instead of an add-on.
The main drawback is that their service area is limited to Bexar and Comal counties. So if your property sits outside those lines, you’ll need to look elsewhere for the work.
It’s worth confirming your address falls in range before you reach out.
That said, their clear communication and strict code compliance make them a trustworthy pick for anyone inside their zone.
3. Creative Concept Decks
Website: creativeconceptdecks.com
Address: 6923 W Loop 1604 N Ste 216
Contact: 210 942 0323
Hours: Monday to Friday, 8:00 AM to 6:00 PM | Saturday, 9:00 AM to 12:00 PM
A big worry for many homeowners is balancing premium materials with an affordable install. Creative Concept Decks handles this well by offering tailored builds with strong material warranties and flexible financing for tight budgets.
I recently spoke with a neighbor who hired them for a backyard upgrade, and they called the easy payment options a huge relief.
The downside is that the deck boards carry long coverage, but the labor and materials only get a one-year warranty. That’s why you’ll want to watch the workmanship closely early on, much like you would when working with building inspectors on a bigger job.
Even so, two decades of local experience and add-ons like built-in seating make the value hard to beat.
Customer Reviews:
Attention to the smallest of details
Craig, Chris, and Juan have been great to work with. They listened closely to what I wanted to solve for and turned an awkward sloped yard off the porch into a comfortable, beautiful, and functionable extention in only a few days and at the right price. I appreciate their attention to the smallest of details in creating a space I will enjoy for years to come. I highly recommend Creative Concept Decks.
Sanja Sisk | Google Review
4. Decksteriors, LLC
Website: decksteriors.com
Areas Served: San Antonio, TX
Contact: 210 264 6341
Hours: Monday to Friday, 8:00 AM to 8:00 PM | Saturday, 8:00 AM to 1:00 PM
Creating an inviting outdoor space calls for a builder who treats each project as its own challenge. Decksteriors stands out because they design and install long-lasting structures with transparent pricing and weather-resistant techniques.
I appreciate how they step away from cookie-cutter templates and treat every residential build as a fully custom creation.
The main catch is that these projects usually run a two-to-six-week timeline from design approval to final install.
So if you’re aiming to finish before summer, early planning is a must. It pays to lock in your design well ahead of any deadline.
On the bright side, their three decades of focused experience and screened patio enclosures mean the wait ends in a stunning, bug-free space you’ll actually want to use.
5. River City Deck and Patio
Website: rivercitydeckandpatio.com
Address: 18771 FM 2252, Building 13
Contact: 210 823 3637
Hours: Monday to Friday, 9:00 AM to 5:00 PM
Protecting your investment is a huge part of any home project. River City Deck and Patio takes this seriously, building durable spaces with high-grade materials and warranties made to survive the local climate.
I find their 5-year warranty on finished work very reassuring, since it shows real faith in their craft.
The one real limit is that they focus on San Antonio homeowners, so it gets harder to book if you live outside the area.
As a result, it’s worth checking that you fall inside their service zone before you plan. If you do, you tap into four decades of custom design know-how.
Still, their skill at blending custom wood with decorative concrete makes them a strong pick for trickier layouts.
