General Contractors in Petrolia, ON
Find and compare top-rated general contractors serving Petrolia and surrounding Lambton County communities.
Whether you are planning a home addition, a basement finish, or a major renovation, finding the right general contractor in Petrolia is the most important decision you'll make. With 7 general contractors listed for the Lambton County area, you can compare experienced professionals who manage everything from permits and subcontractor coordination to finishing touches. A skilled GC acts as your project manager β handling scheduling, trades, inspections, and quality control so you don't have to. Before hiring, always verify proof of general liability insurance, WSIB clearance, and references from recent comparable projects. Browse listings, read reviews, and request free consultations from 7 general contractors serving Petrolia and surrounding Lambton County communities.
Naus Drywall
Professional general contractors serving Lambton County and surrounding areas. Contact us today for a free estimate.
Concrete Systems
Established in 1981, Complete Concrete Construction is a multifaceted concrete contracting company delivering specialized concrete design and construction services. With over four decades of experience, the company is committed to customer satisfaction, providing tailored concrete solutions for a wide range of residential and commercial projects.
Universal Rail
Universal Rail Systems is Canada's largest provider of turnkey track maintenance, construction, and railway operational services. As a proud member of the North American Rail Solutions group, the company delivers comprehensive rail infrastructure solutions nationwide, serving industrial track owners, Class 1 and short line freight rail operators, and transit systems. With an uncompromising commitment to safety, sustainability, and quality execution, Universal Rail Systems plays a critical role in keeping Canada's economy and transportation networks moving smoothly forward. From full-spectrum track construction and rehabilitation to signal installation, rail car maintenance, and specialized training programs, Universal Rail Systems offers end-to-end railway solutions across multiple Canadian locations. Supported by experienced personnel, progressive Indigenous partnerships, and advanced equipment, the business ensures reliable, safe, and efficient rail operations tailored to diverse sector needs.
Jg Paving
Professional general contractors serving Lambton County and surrounding areas. Contact us today for a free estimate.
Pranges Mini-Ex Service
Prange's Mini Ex Services is a professional excavation and property maintenance contractor providing comprehensive exterior and site preparation solutions. Specializing in basement waterproofing, custom yard drainage, and precision excavation, the company utilizes advanced equipment designed to navigate tight spaces for both residential properties and large estates. From complete yard regrading, sodding, and stump removal to pool excavation and utility installations for water, gas, and hydro lines, their team ensures dependable structural integrity and long-lasting performance. In addition to specialized excavation work, Prange's Mini Ex Services handles a wide array of concrete and demolition projects, including old pad removal, new concrete installation, building tear-downs, and debris cleanup. They also offer full-service yard careβsuch as routine lawn mowing, trimming, and seasonal leaf cleanupβproviding tailored solutions to keep outdoor spaces functional, dry, and visually appealing.
Jaques Farm Drainage
Professional general contractors serving Lambton County and surrounding areas. Contact us today for a free estimate.
Bluewater Glass Contractors
Professional general contractors serving Lambton County and surrounding areas. Contact us today for a free estimate.
Frequently Asked Questions β General Contractors in Petrolia
How do I verify a general contractor is legitimate in Ontario?
Ask for proof of general liability insurance and WSIB coverage, check for any trade licences required for the work (electrical, plumbing, gas), verify their business registration, and request references from recent projects in Petrolia or the surrounding Lambton County area.
Do I need a building permit for my renovation in Petrolia?
Most structural renovations, additions, and significant interior changes require a permit from your local municipality. A reputable general contractor will know what permits are needed and will pull them on your behalf before work starts.
How much does a home renovation cost in Petrolia?
Renovation costs vary enormously by project scope. A kitchen or bathroom refresh might run $10,000β$30,000; a full addition or basement finish can range from $50,000 to $200,000+. Always get a minimum of three written quotes and confirm what is and is not included.
What should a contractor's written contract include?
A solid contract should specify the scope of work in detail, materials and brands to be used, start and end dates, payment schedule tied to milestones, warranty on workmanship, and a process for handling changes or overruns. Never pay more than 10β15% upfront.

