A.L. Boulden & Son, Inc. Heating and Cooling, Warwick, MD

Call 410-755-6860 or 410-648-6796 or 302-378-3509 to schedule a free estimate!

Serving Cecil County MD, Kent County MD, and the Middletown, Odessa, and Townsend (M.O.T) area in Delaware since 1972

When Maryland and Delaware residents and businesses need prompt, expert plumbing and heating services, they turn to A.L. Boulden & Son, Inc.-the first time and every time.

For more than 50 years, A.L. Boulden & Son has been the most trusted name in installation, repair, and maintenance for plumbing, water treatment, heating, and air conditioning. We’re masters of our craft who put the needs and satisfaction of our customers first, and we look forward to serving you and taking care of your needs.

Call 410-755-6860, 410-648-6796, or 302-378-3509 to schedule a free estimate!

Welcome to A.L. Boulden & Son, Inc.

Your One-Stop Plumber & HVAC Contractor

Whether you own a home or business, A.L. Boulden & Son, Inc. is the team that’s always there when you need us most.

We’re licensed, bonded, and insured in both Maryland and Delaware. We’re proud to serve Cecil County MD, Kent County MD, as well as Middletown, Odessa, and Townsend and surrounding areas in Delaware.


Contact us today to schedule an estimate for our services!

Heating Repair in Warwick, MD | A.L. Boulden & Son, Inc.


Plumbing in Warwick, MD | Heating Repair in Warwick, MD | A.L. Boulden & Son, Inc.


Glass filling up with water | Water treatment services by Heating Repair in Warwick, MD | A.L. Boulden & Son, Inc. in Warwick, MD

Water Treatment & Other Services

About Us

Providing Expert Plumbing & HVAC Services for 50+ Years!

A.L. Boulden & Son, Inc. is a small, family-owned and operated business founded in 1972 by Arthur L. Boulden, Sr. His son, Andy Boulden, is the current owner and president of A. L. Boulden & Son, Inc. Andy and his son, Scott, both hold master plumber and master HVACR licenses in Delaware and Maryland.

We’re family-oriented in everything we do, and we pride ourselves on delivering results-driven services and leaving you satisfied-every time.


“Family owned and operated business that provides timely responses, reasonable pricing, and top notch customer service. They have done everything from busted pipes and sump pump placement, to a complete well pump replacement on our horse farm. We highly recommend A.L. Boulden & Son, Inc. for your needs.”
– Jason Hall


“My well failed unexpectedly, and we were in a tight spot finding professional assistance. Scott from A.L. Boulden & Son made it a priority to help us resolve our emergency issue. In much less time than expected, and for a fair price, we had our well, tank, and treatment system all replaced. Everything works great! Great customer service, and I highly recommend them to anyone.”

– David Dilanni


“Don’t use anyone else! This family owned business is absolutely awesome. We have used them several times and they are always on time, courteous, and clean up after themselves. Their plumbing work is professional and they come prepared to finish the job. I have done quite a bit of home plumbing work and I know what is quality work is. These folks are true caring craftsmen.”

– Mark


Andy showed up quickly and cleared a profound, completely blocked septic line problem. I was in a panic as we already had guests and were hosting dinner for 18 within 24 hours of discovering the issue. Very reasonable bill, could not have been happier”

– Laura


“Scott Boulden came out to remove an exterior faucet and add another. He did a great job; very professional, great cleanup after, looks great! Spreading the word to the neighbors.”

– Shawn H.


“This family run business exceeds all expectations!! They have amazing customer service and were available for all of the emergencies I have had. They came out in a timely manner and have never let me down. Highly recommend!!!!”

– Amanda W.

A.L. Boulden & Son, Inc
1131 Old Telegraph Rd
Warwick, MD 21912
Business Hours:

Monday - Friday: 7:30 AM - 5:00 PM
Closed Saturday & Sunday