Paver pool patio and pergola built by Lagunas in Crystal Lake, IL
Lagunas Landscape & Construction

Building outdoor masterpieces across Northern IL & Southern WI

For over three decades, homeowners have trusted Lagunas to turn ordinary backyards into the best room in the house. We design every project in 3D, build it with Unilock-certified craftsmanship, and stand behind it for years to come. From the first consultation to the final stone, you work with one team — start to finish.

30+ Years of Experience Unilock Authorized Contractor 3D Design on Every Project BBB Accredited · A+
The Lagunas Difference

See your backyard before we build it

Every Lagunas project starts with a photorealistic 3D design. You'll walk through your new patio, kitchen or fire feature on screen — materials, colors and layout — before a single stone is laid. No guesswork, no surprises.

01

Free Consultation

We walk your property, listen to how you want to use the space, and talk through options.

02

3D Design

Your project comes to life in a detailed 3D render you can review and refine with us.

03

We Build It

Our Unilock-certified crew installs the design exactly as approved — start to finish.

Explore 3D Design
3D landscape design render of a paver patio and pergola 3D design render of an outdoor living space Finished paver patio built from the 3D design
Featured Transformations

Real backyards, transformed

A look at a few of the outdoor spaces we've designed and built across Northern IL & Southern WI.

Certified Craftsmanship

Why choose a Unilock Authorized Contractor?

The Unilock Authorized Contractor designation is earned, not given. It recognizes contractors who meet Unilock's standards for installation quality, technical skill and business integrity — and who stay current on the latest products and outdoor living trends.

  • Installation that meets Unilock's technical standards for base prep, drainage and freeze-thaw durability
  • Access to premium Unilock pavers, walls and coping — backed by their Transferable Lifetime Guarantee
  • Ongoing training on new products, patterns and outdoor living design
  • A vetted, established business you can trust with a major investment in your home
Client Reviews

★★★★★

What homeowners are saying

Where We Work

Serving Northern Illinois & Southern Wisconsin

McHenry County, IL

Crystal Lake, Algonquin, McHenry, Woodstock, Huntley, Lake in the Hills, Cary, Wonder Lake, Harvard & more

Lake & Cook County, IL

Barrington, South Barrington, Barrington Hills, Lake Zurich, Deer Park, Gurnee

Winnebago County, IL

Rockford, Roscoe, Rockton, Machesney Park, Loves Park

Walworth County, WI

Lake Geneva, Delavan, Elkhorn, Williams Bay, Fontana

Rock County, WI

Janesville, Beloit, Clinton

Not Listed?

We take on select projects beyond these areas — reach out and ask.

Start Your Project

Ready to transform your backyard?

Free consultation · 3D design · No pressure