X Cabinet & Stone Showroom
Full commercial interior buildout including showroom display systems, countertop fabrication workspace, and client consultation area.
Licensed general contractor serving Arizona since 2005. New construction, commercial builds, multi-family development, and residential remodeling — delivered on schedule and on budget.
From ground-up new construction to residential remodeling — we handle every phase of your project, licensed and insured across Arizona.
Ground-up builds for residential, commercial, and multi-family projects. We manage permits, subcontractors, and every phase through final delivery.
Offices, retail spaces, warehouses, and mixed-use facilities from the ground up. Full-service from permit to final walkthrough.
Duplexes, housing projects, and multi-unit residential developments built to spec. Licensed for both residential and commercial across Arizona.
Interior buildouts for office suites, retail fit-outs, and medical spaces. $80–$250/SF. 4–16 week timelines.
Restaurants, medical offices, and custom commercial spaces. Full buildouts from shell to opening day with health code and ADA compliance.
Kitchen and bathroom remodels, additions, and renovations for homeowners in Flagstaff and Northern Arizona. Same team. Same quality.
Sergio founded Multiple Builders Inc. in Flagstaff in 2005 with one standard: deliver what you promise, on time and on budget. Today it's a family business — his daughters are now part of the team — and that same standard is why clients come back project after project and refer us to their colleagues.
We hold two active AZROC licenses (#288594 and #291477), carry full insurance, and build everything from residential remodels and multi-family developments to ground-up commercial construction across Arizona. Every project gets direct access to Sergio from first call through final walkthrough.
From restaurant interiors to commercial office buildouts — real projects, real results across Northern Arizona.
Full commercial interior buildout including showroom display systems, countertop fabrication workspace, and client consultation area.
Full restaurant tenant improvement — commercial kitchen, dining room, custom bar, and ADA-compliant restrooms. Passed health inspection first try.
Ground-up commercial warehouse construction including framing, roofing, dock doors, and build-out of office space within the facility.
Reach us at (928) 707-1651 or complete the online form. We respond within 2 hours.
Sergio visits your location within 1–3 days to assess the scope and review your plans.
Detailed written quote delivered within 48 hours of the site visit. No obligation.
Licensed team handles permits, subcontractors, and every phase through final delivery.
4.9 stars across 25+ Google reviews from business owners, property managers, and homeowners in Northern Arizona.
"It was great working with Sergio and his crew. Sergio walked us through everything on our office building remodel in Prescott and even made suggestions on some changes. They were very versatile — they demoed some walls but also did some work in our warehouse."
"Sergio was out the day I called to give us an estimate. Sergio and crew worked diligently, expertly and efficiently. Everyone was very knowledgeable, courteous, and friendly. The finished work was exemplary. I would have no hesitation in hiring them again. Give Sergio a call, I don't think you'll be disappointed."
"We completed a master bathroom remodel and just finished a kitchen remodel. Both are stunning — the attention to detail is pretty amazing. They arrive when they say they will and even worked overtime to finish within the original time frame. I would recommend him all day for contracting services."
Reviews from Google Business Profile
Read All Reviews on Google →Get a free commercial construction estimate within 48 hours. Sergio personally reviews every project and responds within 2 hours of your inquiry.