Phone:
(631) 585-4444
270 Ronkonkoma Avenue
Ronkonkoma, New York 11779
• Free Estimates
• Licensed & Insured
• Notary
• Blue Prints
• Permits
• Expediting
• Family Owned
• Since 1958
Residential Improvement Specialists





Before and After
Fireplaces
Porches & Porticos
___________________________________________________________________
Double Check Builders, Inc.
Office Address: 270 Ronkonkoma Avenue
Ronkonkoma, New York 11779
Phone: (631) 585-4444
Fax: (631) 585-4567
Hours of Operation:
Monday - Friday: 7:30 AM to 5:00 PM
Saturday by appointment
We Accept:
Affiliations & Certifications:
License #16843-HI
NARI Certified Remodeler











2010 EPA CERTIFIED
BEFORE/AFTER
-Home Additions -Remodeling -Alterations
NARI CERTIFIED REMODELERS
-FREE ESTIMATES- EXPEDITING/PERMIT SERVICE

