Premium residential home with beautiful roof

Construction General Contractors

Build • Restore • Transform

We don't take every job. We take the right ones. Cornerstone specializes in premium roofing, historic restoration, and complex commercial projects across St. Louis — for clients who expect more and projects that demand it.

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Our Services

Premium Construction Services

Cornerstone handles the work most contractors won't touch — or can't. From premium residential roofing to historic landmark restoration and full commercial builds, we bring the experience and accountability that complex projects demand.

Our Specialty

General Contracting

Full-service general contracting for premium residential and commercial projects. From new construction and renovations to complex build-outs — we manage every detail so you don't have to.

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Featured Service

Landscape • Hardscape • Land Development

Transform your outdoor spaces with premium landscape design, hardscape installation, and complete land development — from elegant patios and retaining walls to full site grading and drainage solutions.

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Premium Roofing

High-end residential roofing with premium materials and expert craftsmanship.

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Commercial Roofing

Complete commercial roofing systems for buildings of all sizes.

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Storm Restoration

Expert storm damage assessment and restoration services.

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Water Mitigation

24/7 emergency water damage response and restoration.

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Mold Remediation

Professional mold inspection, removal, and prevention.

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Historic Restoration

Preserving St. Louis heritage with expert masonry, woodwork, and period-accurate restoration.

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Financing Available

Flexible financing options for residential and commercial projects. Insurance claim assistance included.

Why Cornerstone

The Cornerstone Standard

We believe in delivering excellence, not just meeting expectations.

Premium Materials

We spec materials for longevity, not margin. Every project gets the same level of detail — whether it’s a $15K roof or a $2M commercial build.

Expert Craftsmanship

Kirk Apazeller oversees every project personally. You get direct access to the decision-maker — not a rotating crew of subcontractors.

Full Service

One point of contact. Full accountability. We don’t disappear after the contract is signed.

Industry Certified. Field Proven.

Cornerstone holds active memberships and certifications from the industry's most respected organizations — because the clients we work with don't settle, and neither do we.

NRCA

National Roofing Contractors Association

Member of the premier roofing industry association

IICRC

Institute of Inspection, Cleaning & Restoration

Certified in inspection and restoration standards

ABC

Associated Builders & Contractors

Member of the construction industry association

AI-Powered Project Assessment

Upload a Photo. Get an Instant Assessment.

Snap a photo of storm damage, your kitchen, bathroom, or any project space — our AI specialist Sarah will analyze it instantly. Free, no obligation.

Drag & drop a photo here

or click to browse · JPG, PNG, HEIC up to 20MB

📸 Tip: On mobile, tap to take a photo directly

🔒 Your photos are analyzed securely and never shared. This is a preliminary assessment — a professional on-site inspection provides the most accurate evaluation.

Emergency Storm or Water Damage?

Our team is available 24/7 for immediate response to protect your property.

Call Now: (314) 328-0973

Ready to Start Your Project?

Get Your Free Quote (314) 328-0973

24/7 Emergency Services: (314) 328-0973