A finished RYMAC Construction custom home in North Georgia at golden hour

Custom Homes · Remodeling · Cumming · Dawsonville · Gainesville

A Licensed Engineer Building Custom Homes in North Georgia

Owner-operated and built to code, checked the way an engineer checks it. You work directly with Ryan McDonald, PE — straight answers, transparent pricing, and one builder accountable from first drawing to final walkthrough.

PE Licensed Professional Engineer GA Licensed GA General Contractor Veteran-Owned RYMAC Construction, LLC BBB Business Review ★ 5.0 Rated on Angi

Built by a Licensed Professional Engineer

Most builders manage the people who understand the structure. Ryan understands it himself — he's a licensed Professional Engineer. That means your plans get read the way an engineer reads them: load paths, foundations, drainage, and framing checked on paper, before anything is poured or framed. The mistakes that cost the most are the ones caught early. That's the difference an engineer at the helm makes.

RYMAC is veteran-owned, and Ryan runs every job personally — no project managers, no handoffs, no anonymous company behind the name. The same person who reviews your drawings is the one who walks your site and answers your calls. From the first conceptual meeting to the final walkthrough, you deal with one builder — the same one, the whole way.

Meet Ryan
Ryan McDonald, PE — owner of RYMAC Construction

Our Process

1

Builder Interviews

2

Conceptual Meetings

3

Plan Finalization

4

Construction Management

5

Quality Assurance

Build with an engineer who answers his own phone.

Tell us about your project and Ryan will walk you through what it takes — no pressure, no obligation, just a straight conversation.