Landscape Maintenance
Consistent, professional care that keeps commercial and multifamily properties looking their best year-round.
The Keane family story
From Jonmar to Keane Landscaping—and home again.
1970
Murphy & Joan establish Jonmar
Irish immigrants Murphy and Joan Keane founded Jonmar Services in Dallas, building a company around hard work, dependable service, and pride in every job.
02
The next generation learns the trade
Their sons—John, Maurice, and Kevin—grew up in the business, working in the field, operating equipment, and learning how to serve customers from the ground up.
03
Kevin & Amy build Keane Landscaping
Starting while still in high school, Kevin and Amy carried those lessons forward and built one of DFW's largest privately owned family landscape companies.
2026
The family companies reunite
Keane Landscaping acquired Jonmar, bringing the original family company together with the organization it helped inspire—and opening a new chapter of growth.