Meet the designers
Established in 1978 by brothers Dennis and Sam Caliva, Earthworks Landscaping is now in its second generation of family ownership. The River Falls, WI-based landscape design company has been defining the art of outdoor living for over 40 years, providing backyard landscapes in the St Croix Valley. It’s our mission to help you create a uniquely personal outdoor space that not only fits your values and budget but also reflects your own personality and lifestyle. We are your professional full-service design and build landscape contractor serving WI and MN. Servicing River Falls, Hudson, Stillwater, Woodbury, Lake Elmo, Hastings, New Richmond, Somerset and surrounding communities in the St. Croix River Valley. From concept to completion, the designers and installers at Earthworks are committed to getting every detail perfect, whether it be your new retaining wall, paver driveway, or outdoor kitchen.
Owner/ Landscape Architect
Dennis is a 1974 graduate of the UW-Madison Landscape Architecture program, and has worked in the industry since he graduated. He started the business in 1976 with his brother Sam, later taking over sole ownership. Dennis has designed 1000’s of landscapes for homeowners and businesses in the St. Croix Valley and has been recognized in the industry with various landscape design awards. In his free time, Dennis enjoys reading, fishing, spending time at the cabin, and woodworking.
Landscape Architecture, UW-Madison (1974)
WI Dwelling Contractors License # 1000240
Blue Thumb Rain Garden Certified
MNLA Certified Professional
Landscape Designer/ Project Manager
Nick is a graduate of the Dakota County Technical College Landscape Design program, and also has attended the UW-River Falls Horticulture program. He has been involved in the green industry since a child, growing up working for the family business. He has worked his way up from nursery to construction, operations management to design and sales. Now, Nick specializes in designing and building creative and unique outdoor living spaces. His passion is leading his team of skilled craftsmen out on the job sites and creating beautiful landscapes that his customers truly love. In his free time, Nick enjoys spending time with his wife and two daughters, hunting, fly fishing, and mountain biking.
Landscape Design, Dakota County Technical College (2004)
Horticulture, UW-River Falls (2010)
Organizational Leadership, CVTC (2014)
ICPI Concrete Paver Installer – Residential Specialist
NCMA Certified SRW Installer – Level 2
MN PLT License # PL011207