Regardless of whether you’re a homeowner looking to schedule heating, air conditioning or plumbing services, require our mechanical or commercial services like fire protection, or are building homes from the ground up, we provide the best install, service and repair available in Delaware, Maryland, Pennsylvania and New Jersey.

We want you to feel comfortable and keep your home or property operating safely at peak efficiency to help keep your costs under control. If you’re a homeowner, a general contractor, facility manager, home builder or a business or property owner, Sobieski can help 24/7. Fill out our convenient “Contact us” form and learn how we can provide solutions for you.

Contact Our Offices Directly

Corporate Offices:

CORPORATE HEADQUARTERS

1325 Old Cooch’s Bridge Road
Newark, DE 19713

DESIGN, MANUFACTURING, DISTRIBUTION, AND PRODUCTION CENTER

1325 Old Cooch’s Bridge Road
Newark, DE 19713

CUSTOMER SERVICE CENTER

900 Uniqema Blvd, New Castle, DE 19720

Phone: 302-504-4116

Email: customerservice@sobieskiinc.com

SALES & MARKETING OFFICE

900 Uniqema Blvd, New Castle, DE 19720

Email: smssales@sobieskiinc.com

SATELLITE OFFICES – NEW HOME CONTRUCTION GROUP:

Phone: 866-957-7530

Email: nhcs@sobieskiinc.com

Southern Delaware

200 Business Park Lane, Suites E & F, Milton, DE 19968

Pennsylvania

148 Opportunity Lane, York, PA 17406

2008 Old Arch Road, East Norriton, PA 19401

Maryland

2109 Emmorton Park Road, Suite 114, Edgewood, MD 21040

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