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Cornerstone Plumbing, Heating, & Cooling
In the heart of Farmington, we are Cornerstone Plumbing, Heating, …
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Browse businesses in Farmington, ME
Searching for Plumbing, Electrical, and HVAC in Farmington? Start with 6 active GigoPro listings covering Plumbing, Electrical, and more.
Browse by service type, check Plumbing first if you are in a hurry, or explore all 5 categories available in Farmington.
Selected listings in Farmington — today
We highlighted special offers and fresh plumbing listings in Farmington so you can find a pro faster. Every pick has verified reviews, clear terms, and direct contact.
New plumbing businesses join GigoPro in Farmington often. Bookmark this page or explore Plumbing, Electrical, and HVAC when your needs change.
What Farmington customers say about local pros
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Bruce Polaske
Cornerstone is a great company to deal with. They helped me get my heater going and their rates were very reasonable. I would highly recommend them to anyone.
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Dawn Nye
Cornerstone is wonderful. I have the utmost respect for their work. They diagnosed and fixed problems left by another plumber, and took the time to walk me through the process step by step. I would definitely recommend them.
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Laura Casey
These folks are absolutely amazing. I cannot praise their work, courtesy, availability more! We are two retired navy warship drivers — we didn’t fix plumbing or do heating/cooling, etc. We drove ships. We ran combat. So when anything water related happens in our 34 year old home, my first comment to my husband is “call them”…because I don’t need us and our amateur selves flooding our basement (or worse). These guys take it in stride, come in an *always* timely manner and do fantastic and trustworthy work. If you live in their service area, call them first.
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Mat Mallett
Had an awesome experience with Mark from A-1 today. Had some issues with the bathroom plumbing and our water heater. Mark was able to diagnose and fix the problem relatively fast, and then took the time to provide me with some education on how to manage my systems better going forward. I’d highly recommend their services to anyone! Will definitely be calling them again should I have any more plumbing or heating issues.
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Derek Hyde
A-1 plumbing and heating are the absolute best!!! I highly recommend them and their team of workers. Our hot water tank started go on us last week. We called them up and they had us scheduled for the following Thursday to replace it. Mark was at our house early in the morning and completed the job in a very timely fashion. Mark is a fantastic guy, super friendly, very empathetic and understanding about his customers needs and expectations. He took the time to explain things us and answered and questions and concerns we had. While he was here our well pump went and he recommend a company that could help us with that issue also. Mark wasn't able to complet all of his work do to the issues with the well pump, but stated that if we had a new well pump by the end of the day he would either come back to the house that afternoon or fit us in first thing in the morning the next day to finish things up. I'm happy to report that Mark was at the house the next day first thing in the morning like he said he would be. Within 30 minutes he completed all of the remaining work. We cannot recommend them enough.
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Stavroula Taylor
As a Property Manager we couldn't be happier to have A-1 Plumbing on speed dial. They are extremely professional, fair, prompt and informative. They have worked with us through simple fixes to more complex repairs and emergencies with nothing but clear communication and professionalism. Highly recommend!!
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Brian Muller
Fantastic company Matt and Mark are genuinely amazing guys who make a good name for plumbers. They always get the job done with the highest of standards. I wouldn't recommend anyone else but A-1 plumbing.
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Candece Marshall
Marc was very personable. I am very pleased with the prompt and efficient service. I called on a Tuesday and they got me in Thursday. I honestly thought they would have to come back another day. But it was fixed same day. Thanks so much, will definitely use you again and refer you to anyone in need of your services!
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Craig Dilman
We just had an On Demand system installed by A1 Plumbing and heating, they did a fantastic job. They were very professional yet friendly, efficient, and cleaned up before they left. Kept us posted throughout the process and were done in a very timely manner. I would definitely recommend them for any services you might need.
Stats for Farmington
Plumbing and more in Farmington: GigoPro currently lists 6 active businesses across 5 categories.
Tracking 5 categories in Farmington makes it easier to spot where the most plumbing options are right now.
Top pros in Farmington
In Farmington, Maine (ME), you'll find highly skilled pros in plumbing, electrical work, HVAC services, landscaping, and tree care. Whether it's fixing a leaky faucet, installing new wiring, or maintaining your heating system, these local service providers can handle the job. Explore the directory to connect with reliable experts in Farmington.
Verified Plumbing in Farmington, ME
We show only active businesses that pass moderation. Results are specific to Farmington and nearby service areas, and inactive profiles are removed to keep the list current.
Real reviews for plumbing
Ratings and reviews come from customers who used the service. Compare plumbing pros in Farmington by experience, responsiveness, and value before you reach out.
Local-first search in Farmington
Filter by city and category, check locations on the map, and find providers close to home or work. Listings are refreshed regularly — September 2026.
Farmington, ME offers a diverse range of local trades including plumbing, electrical, HVAC, landscaping, and tree services. Use this directory to find the perfect provider for your home needs.
Local trades in Farmington
In Farmington, plumbing contractors handle everything from leak repairs to complete system installations, ensuring your water runs smoothly without a hitch. Meanwhile, electrical services cover everything from installing new lighting fixtures to troubleshooting complex circuitry issues that can cause power outages.
HVAC professionals in the area specialize in heating, ventilation, and air conditioning systems. They perform maintenance checks, repair faulty components, or replace old units with modern, energy-efficient options to keep your home comfortable year-round.
Before you book
To choose a provider, start by reviewing detailed listings that highlight the types of services offered, including specific jobs like plumber for leak repairs, HVAC contractor for system replacements, and boiler supplier for installation or replacement. Consider the reviews left by previous customers to gauge satisfaction levels before reaching out to providers.
For broader coverage, know that many local service providers cover nearby cities such as New Vineyard, Avon, and Wilton, offering you the flexibility to find a provider even if your area isn't listed directly. This wider search can be especially useful for larger projects or when services are in high demand.
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Frequently asked questions
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Is GigoPro free to use?
Yes. Browsing businesses, reading reviews, and comparing plumbers is free for everyone. Business owners can create a basic listing at no cost.
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How do you verify businesses on GigoPro?
Every profile goes through moderation before it appears in search. We check that the business is real, actively operating, and actually performs the work it claims. For regulated trades, we look for proper credentials, and we automatically hide inactive listings.
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How do I choose the right plumber?
Start with ratings and recent reviews, then confirm the company performs your specific type of work and serves your area. Contact two or three providers, ask for written estimates, and compare what each quote includes, not just the bottom line.
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Can I list my business on GigoPro?
Yes. Create a free business profile to reach local customers searching for your category. You can update services, photos, and contact details anytime, and customers can book you directly from your profile.
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How often is the directory updated?
Business owners update their own profiles. Our team also refreshes hub pages and removes inactive listings to keep search results current. This page, for example, is reviewed and updated monthly.
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Repair or replace my water heater — how do I decide?
Ask each plumber for both a repair quote and an honest assessment of the unit's remaining life. As a general rule, if the repair costs more than half the price of a new unit, or the tank is past its expected lifespan and leaking, replacement is usually the better value. Get two or three opinions before a decision this large.
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Do plumbers provide written estimates or flat rates?
Reputable plumbers give written, itemized estimates after diagnosing the problem — and many quote flat rates for common jobs like drain cleaning or fixture repair. Always ask whether the quote is flat-rate or time-and-materials, and whether the diagnostic fee is credited toward the repair.
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Are plumbers on GigoPro licensed and insured?
Licensing and insurance requirements vary by state and by type of work - especially gas and sewer work. Ask each plumber for their license number and proof of insurance before work begins. Professional companies expect these questions and answer them without hesitation.
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How much does plumbing service cost?
Costs vary by job type, region, and time of day — there is no honest single number. Reputable plumbers give written estimates after diagnosing the problem, and comparing two or three of them is the best way to understand what your job should cost.
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Can I leave a review after booking through GigoPro?
Yes. After your job is done, you can rate the plumber and describe your experience. Verified reviews from recent jobs help the next homeowners in your city choose well — and keep listed professionals at their best.
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