24/7 Emergency Storm & Water Damage:314-916-6337
Premium residential home with beautiful roof

Licensed General Contractor • Missouri + Illinois

Built on Trust. Backed by Craft.

Every trade — under one roof. One contract. One crew accountable to the finish.

Cornerstone is a licensed general contractor coordinating every trade for restoration, build-out, and maintenance. From insurance claims to routine upkeep, you get one point of contact, one written contract, and one crew accountable from walk-through to punch list.

Licensed in Missouri + IllinoisOne warranty across all trades

Why Owners Choose Cornerstone

We turn construction into a single point of accountability.

Not a stack of scattered subcontractors. One contract, one crew, one team responsible to the finish.

One contract. Every trade.

All trades coordinated in-house — not scattered subcontractors you have to chase. One point of contact from the first walk-through to the final punch list.

Licensed MO + IL

A licensed general contractor working across state lines, serving Missouri and Illinois — with one written warranty covering every trade on the job.

Preventative Maintenance

Property upkeep isn’t optional — it’s scheduled. Maintenance contracts keep occupied properties running, backed by 24/7 emergency response.

How We Work

From the first walk-through to the final punch list.

How Cornerstone runs restoration, build-out, and maintenance work — one clear process, start to finish.

01

Walk-Through

We meet on site, document conditions, and listen to what the property actually needs.

02

Scope & Proposal

A clear written scope — defensible to owners, lenders, and insurance carriers.

03

Contract & Schedule

One agreement, one point of contact, and dates you can actually plan around.

04

Construction

Trades sequenced in-house — restoration, build-out, or maintenance work, all under one crew.

05

Punch & Warranty

Final walk-through, punch list closed, and a written warranty in hand.

Scope of Work

Three ways we work. One team accountable.

Whether it's an insurance claim, a commercial build-out, or keeping an occupied building running, Cornerstone coordinates every trade in-house under one contract.

Restoration

Insurance restoration, storm and hail damage, water mitigation, and mold remediation — scoped, documented, and sequenced the way carriers expect.

  • Insurance restoration — full scope
  • Storm & hail damage repair
  • Water mitigation & dry-out
  • Mold remediation

Build-Out

Commercial tenant improvements, renovations, and full new construction — drywall to flooring, cabinetry to exteriors, all coordinated in-house.

  • Commercial tenant improvements
  • Renovations & remodels
  • Full new construction
  • Drywall, paint, flooring, millwork

Maintenance

Preventative maintenance contracts that keep occupied properties running — plus 24/7 emergency response when something can’t wait.

  • Preventative maintenance contracts
  • 24/7 emergency response
  • Occupied-building upkeep
  • One call, one team

Explore Our Services

Every trade below is coordinated in-house as part of your single contract.

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.

National Roofing Contractors Association certification logo

NRCA

National Roofing Contractors Association

Member of the premier roofing industry association

Institute of Inspection, Cleaning & Restoration certification logo

IICRC

Institute of Inspection, Cleaning & Restoration

Certified in inspection and restoration standards

Associated Builders & Contractors certification logo

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: 314-916-6337

Ready to Start Your Project?

Contact us today for a free consultation and detailed quote. Our team is ready to bring your vision to life.

24/7 Emergency Services: 314-916-6337