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Commercial Deck & Patio.

We specialize in small commercial properties and local business spaces, as well as working with property managers, HOAs, and commercial owners to deliver code-compliant, low-maintenance deck and patio solutions. Owner-led from bid through punch list.

Commercial property with finished pedestrian deck coating system
What you get

What’s included.

Small commercial & local business specialists

Multi-family and HOA experience

Code-compliant at scale

Low-maintenance material options

Detailed documentation and reporting

Insurance and licensing current

Why Alta

Built on three commitments.

Owner-led

Miguel Altamirano is on every project start to finish. No subcontractors, no surprises.

Certified

Westcoat and TREMCO certified installer. ICC-ES rated systems for code compliance.

Warranty

5-year workmanship warranty plus manufacturer material warranty. Best Price Guarantee.

Our process

How it works.

01

Bid

Site walk and detailed scope of work.

02

Schedule

Coordinate with tenants and property managers.

03

Execute

Crew-led installation with daily reporting.

04

Closeout

Documentation, warranties, and punch list.

Materials

Industry-leading systems.

Pedestal systems

Westcoat commercial

TREMCO traffic systems

Common questions

Commercial Deck & Patio FAQ.

Yes. We bid multi-family, HOA, retail, and hospitality waterproofing and deck projects throughout the Portland metro. Detailed scopes and unit pricing available on request.

Free estimate

Get your free estimate today.

Tell us about your project. We’ll respond within one business day with a no-pressure, detailed estimate — and our Best Price Guarantee.

  • ✓ Free on-site consultation
  • ✓ Detailed written estimate
  • ✓ Best Price Guarantee
  • ✓ Owner-led, no subcontractors

Request Free Estimate