About Abacus Plumbing, Air Conditioning & Electrical
More than two decades of award-winning service, one satisfied customer at a time.
Built on Honest Work and Fair Pricing
When Alan O'Neill founded Abacus in 2003, his vision was simple: give Austin homeowners a home service company they could count on for honest work and fair pricing. More than two decades later, that vision drives everything we do.
What started as a plumbing company has grown into Austin's go-to team for plumbing, air conditioning, heating, electrical, and water quality services. Our founder is a licensed Master Plumber (M-20628) who built Abacus on the belief that every homeowner deserves straightforward service from trained professionals who treat your home like their own.
Led by Experience
Alan O'Neill
Founder, Master Plumber (License M-20628)
Founder Alan O'Neill, Master Plumber (License M-20628), leads a team of trained technicians who arrive on time, explain your options clearly, and stand behind their work.
Two Austin Locations
We serve the greater Austin area from two convenient locations - our primary office at 2106 Denton Dr in North Austin and our downtown location at 708 S Lamar Blvd. Whether you're in Round Rock, Cedar Park, Pflugerville, or anywhere in between, our team is ready 24/7.
Recognized for Excellence
Our commitment to quality has earned us recognition across the industry.
Experience the Abacus Difference
Available 24/7. One call covers plumbing, HVAC, electrical, and water quality.