J C Cannistraro Watertown MA

Business Overview

J C Cannistraro Watertown MA is a family-owned mechanical construction firm serving Watertown and nearby communities since 1963. The company provides plumbing, HVAC, and fire protection work for commercial, institutional, and select residential projects. Staffed around the clock, the team offers emergency service 24/7 and a guaranteed two-hour response window for urgent repairs.

Key Services

Services are grouped to make it easy to find what’s needed.

• Plumbing: drain repair, plumbing inspection, installation and replacement, water heater repair, pipe repair.
• Gas Services: gas line installation and gas line repair for labs, restaurants, and buildings.
• HVAC: HVAC installation or replacement, HVAC system repair, controls and mechanical system fit-outs.
• Fire Protection: design, installation, and maintenance of fire protection systems for commercial and institutional sites.

Areas Served

Their local service area includes Watertown MA, Watertown Town MA, and Belmont MA. Many projects extend into Greater Boston and other parts of New England for larger commercial and institutional work.

Company History

John Cannistraro, Sr. founded the business in June 1963 with modest savings and family support. From a small plumbing shop it grew into a mechanical construction firm known across the region. Over the decades the company added sheet metal, fabrication, and dedicated service teams, expanding from local service calls to large laboratory and institutional projects.

Leadership

The business has remained family-run with leaders who grew up in the trade. Leadership brings hands-on experience in mechanical construction and a steady presence in local industry groups. The company stays active in the community through workforce training and partnerships with building owners and construction managers in the Boston area.

Specialties & Highlights

• In-house fabrication capability that speeds up custom mechanical assemblies.
• Two-hour emergency response and technicians available 24/7.
• Experience with complex institutional projects like laboratory HVAC and gas system fit-outs.
• Long-standing relationships with building owners and construction teams across New England.

Why Locals Choose J C Cannistraro

Residents and building managers in Watertown and Belmont pick J C Cannistraro for consistent, practical work. The company combines decades of local experience with staff depth to handle both everyday repairs and larger system installs. In Watertown’s older housing stock and cold New England winters, quick heating and plumbing repairs matter; the team responds day or night and keeps projects moving.

J C Cannistraro Watertown MA keeps a local focus while drawing on regional resources for larger jobs. That makes the company a familiar option for ongoing maintenance, emergency calls, and planned mechanical upgrades.