Plumbing, heating, and gas line services for residents and businesses throughout St. Catharines and the surrounding areas. At Oakleaf Home Services we are licensed and insured, and stand behind our work with an industry leading fifteen (15) month warranty on all workmanship. One phone call to Oakleaf Home Services takes care of all your pluming, heating and gas lines needs. Contact us to day to request an appointment. Our team of professionals is available to help you 24/7. SERVICE Areas: St.Catharines Thorold Welland Niagara Falls Niagara On The Lake Beamsville Grimsby Burlington Hamilton Oakville Stoney Creek Ancaster Binbrook Guelph Fort Erie Port Colborne Lincoln Waterdown Dundas.