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Onyx Building GroupOnyx Building Group
Onyx Building GroupOnyx Building Group
  • Home
  • About
    • Onyx Building Group
    • Tersigni Homes
    • DM Consulting & Construction
  • Services
    • Custom Home Builder
    • Renovations & Additions
    • Repairs & Restorations
  • Portfolio
  • Build Gallery
  • Financing
  • Design
  • Contact

We're Here To Help

Contact us for a free project quote.

1789 Merrittville Hwy
Lower Level
Welland, ON
L3B 5N5

Ian Tersigni: 905-324-1879

Daniel Mrseski: 905-380-4621

ian@onyxbuildinggroup.com

daniel@onyxbuildinggroup.com

Hours of Operation

Monday-Friday:  7:00am- 7:00pm
Saturday: By Appointment
Sunday: Closed

*After hours appointments available

Contact Us

Send us an email and we'll get back to you, asap.

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