McCandless Plumbing & Excavation brings over 30 years of experience to homes and businesses across Chautauqua County, NY. Whether you’re dealing with a broken water line, need a new septic tank, or planning site excavation for a new build, our team provides dependable, high-quality service with a local touch. As a family-owned and operated company, we take pride in doing the job right. Every time!

From repairs to new installations, we provide reliable water line and plumbing solutions to keep your system running smoothly.

We install and repair residential and commercial water lines with minimal disruption and long-lasting results.

Upgrading or replacing aging or damaged main lines? We use advanced equipment to ensure precise and safe installations.

Our team installs and services traditional water heaters to ensure your home stays comfortable year-round.
Save space and energy with efficient tankless water heater solutions, professionally installed and maintained.
We handle sewer system needs from diagnostics to full replacements, always with a focus on quality and care.

We replace and repair sewer lines to address leaks, blockages, and aging infrastructure.

Using state-of-the-art camera systems, we identify issues inside your sewer line quickly and accurately.

Keep your plumbing flowing smoothly with professional drain cleaning for homes and businesses.

We connect your property to the main sewer line with careful attention to grading, safety, and code compliance.
Our septic services are handled with precision and experience to ensure safe, code-compliant solutions for rural and residential properties.

We provide complete septic tank installation services, including site evaluation, system design, and setup.

From cracked tanks to clogged filters, we perform timely repairs and preventative maintenance to extend system life.

Buying or selling a home? We offer detailed inspections and reporting for septic system conditions and compliance.
We offer practical drainage and excavation services to manage water flow and prepare your site for construction.

Protect your property from water damage with properly installed French drains tailored to your landscape.

We install and service sump pump systems to keep basements and crawl spaces dry all year long.

Poor drainage can lead to erosion and flooding, we design and install systems that solve the problem for good.

From trenching to full-site preparation, we handle excavation projects safely and efficiently.
Heating and cooling services designed for comfort and energy efficiency, delivered by trained professionals.

Enjoy consistent, efficient warmth with custom-installed radiant floor heating for new and existing homes.

We install ductless mini-split systems for versatile, cost-effective heating and cooling in any space.
We proudly serve homeowners and businesses across Chautauqua County, NY.
From septic systems to water heater installations, we cover Bemus Point.
Local plumbing, excavation, and sewer support for properties in Dunkirk.
Serving Falconer with responsive water, sewer, and HVAC services.
Comprehensive drainage and plumbing solutions for Findley Lake residents.
Full-service plumbing and septic system installation in Fredonia.
Reliable plumbing, septic, and excavation services available throughout Jamestown.
Serving Lakewood with expert water line, drainage, and HVAC services.
Professional plumbing, heating, and excavation services available throughout Mayville.
Trusted excavation, water, and sewer services in Silver Creek.
Experienced plumbing and excavation work across Westfield.
FrequentlyAskedQuestions
Yes, we offer prompt emergency repair services for plumbing issues in homes and commercial buildings across the county.
We take on everything from trenching for utility lines to full-site excavation for new construction or grading.
Absolutely. We handle everything from brand-new installations to replacements and emergency water line repairs.
Yes. We install septic systems for both residential and commercial properties throughout the area.
Yes, we install and service large-capacity systems built to meet the demands of commercial buildings.
We do. Our team has experience working on larger systems for commercial clients across the county.
Yes. We provide customizable maintenance plans to help you avoid costly septic system problems down the road.
Yes. We work with developers and contractors to manage large-scale excavation for commercial builds and site prep.