John J Cahill Evanston IL

Business Overview

John J Cahill Evanston IL is a family-owned plumbing, heating and general contracting firm serving Evanston and the North Shore since 1890. The company provides 24/7 emergency plumbing and HVAC response for homes and businesses. Licensed plumbers and NATE-certified HVAC technicians handle repairs, installations, inspections and routine maintenance.

Projects range from single-room fixes to commercial system work. Staff members average 20 years with the company, giving customers steady experience and a familiar crew on repeat calls. Free estimates and maintenance programs are available to help prevent larger failures and unexpected expense.

Key Services

• Plumbing: plumbing inspection, sewer rodding, drain cleaning, plumbing installation and replacement, toilet installation.
• Heating & Air Conditioning (HVAC): AC repair and installation, furnace service, seasonal tune-ups and emergency heating response in cold months.
• Remodeling & General Contracting: bathroom remodeling, shower installation, bathtub installation, kitchen and bath plumbing changes tied to remodeling projects.

Areas Served

The company works across Chicago's northern suburbs, including:

• Arlington Heights IL, Evanston IL, Skokie IL, New Trier IL, Mount Prospect IL
• Glenview IL, Wheeling IL, Moraine IL, Northbrook IL, Highland Park IL
• Wilmette IL, Vernon Hills IL, Morton Grove IL, Lake Forest IL, Deerfield IL
• Lincolnwood IL, Winnetka IL, Glencoe IL, Northfield IL, Highwood IL
• Rosemont IL, Riverwoods IL, Kenilworth IL, Bannockburn IL

Company History

Founded by Irish immigrant John Cahill in 1890, the business grew with Evanston and the surrounding suburbs. It remains the oldest plumbing company in Illinois still controlled by the founding family. Over four generations the firm added heating and remodeling services while keeping practical, hands-on workmanship at the core.

Many long-term customers are drawn back by continuity: crews who know local plumbing quirks, old home framing, and how lake-effect winters affect pipes and boilers.

Leadership

John J. Cahill III leads the firm as the fourth-generation owner. He keeps the business rooted in the local community and works with building contractors, property managers and business owners in Evanston and nearby towns. Leadership emphasizes licensed, certified staff and steady field experience rather than flashy advertising.

Specialties & Highlights

• Family-owned since 1890 with long employee tenure (average 20 years).
• Licensed plumbers and NATE-certified HVAC technicians on staff.
• 24/7 emergency service for plumbing and heating troubles during cold snaps and summer AC failures.
• Free estimates and maintenance programs to help manage long-term costs.

Why Locals Choose John J Cahill Evanston IL

Neighbors pick this company for steady workmanship, local knowledge of older homes and reliable emergency response. John J Cahill Evanston IL balances residential and commercial needs with staff who have deep experience in plumbing, heating and remodeling. For a free estimate or immediate service, homeowners and businesses in Evanston and the North Shore can call to arrange an appointment any time of day.