General Contractor in Hillsboro
De Marco Builders is a licensed general contractor in Hillsboro, that puts your price and schedule in writing, then delivers. We take on custom homes, remodels, ADUs and additions, and commercial projects, and one experienced team handles the work from design through the final walkthrough. We’re licensed, bonded, and insured, based in Portland, and we’ve been building across the metro for more than three decades. With more than 1,400 projects behind us, we know how to get the job done right.
Close to home
A Local Contractor in Hillsboro.
Where your contractor is based matters more than most people expect. De Marco Builders operates out of Portland, and Hillsboro sits inside the metro area we’ve worked in for decades. That means your project gets a team that can reach your site quickly, answer questions without delay, and stay involved day to day instead of managing things from a distance. When a decision comes up, you aren’t waiting days for an answer.
It also means we treat the work as part of a community, not a one-time stop. Homeowners and business owners hire a general contractor to take responsibility for a project, and that takes more than a license. It takes people who show up when they say they will, put the numbers in writing, and answer for the result. Ownership has been the same since 1996, so the people you meet at the start are the ones who stand behind the work at the end.
Licensed
Bonded
Insured
Highly Rated
we know the territory
Building Backed by Local Experience.
A general contractor’s value shows in parts of a project you rarely see: how permits move, how inspections get scheduled, and how quickly the right trade can be on site. Those details vary from one city to the next, and contractors who work in the same region year after year learn how to plan around them. We’ve kept our work focused on the Portland metro for that reason, and that focus supports the schedules we commit to.
The same applies to the people we build with. Over many years, we’ve worked alongside trusted subcontractors, specialty trades, and suppliers across the region, which makes it easier to line up the right crews and materials at the right time. Whether the job is home remodeling, a ground-up custom build, or commercial construction in Hillsboro, those relationships help keep the work organized and the budget on track.
Your Partner in Hillsboro
Hillsboro's Trusted General Contractor
When you hire De Marco Builders, you’re hiring a licensed, bonded, and insured team with more than three decades behind it. We’ve operated under the same ownership since 1996, and in that time we’ve completed more than 1,400 projects across the Portland metro. That history is why we can make commitments other contractors won’t.
What that experience gives you is accountability you can check. Your contract price and completion schedule are guaranteed, and our proposals are transparent, so you can see where your money goes. We’ve kept a 100% on-time record, and that standard applies to every project we take on. You’ll always know who is responsible for your project and how to reach them.
Our Services
Everything We Build in Hillsboro
Design-Build
Architecture and construction, one team.
Commercial Projects
Offices, retail, and tenant improvements.
Custom Homes
New homes built around your vision, from the ground up.
Residential Remodels
Room-by-room updates or full-home overhauls.
ADUs & Additions
New space added to your property.
WHY DEMARCO
Why Hillsboro Clients Choose Us.
Hillsboro's longest-serving custom builder
In business since 1996, we know Hillsboro's neighborhoods, soils, permits, and inspectors better than anyone.
Fixed price, fixed schedule
What we quote is what you pay. The date we give you is the date we hit. No surprise change orders, no surprises, no exceptions — not once in over 1400 construction projects in the Portland metro.
One team from start to finish
Design, permits, construction — same crew, same point of contact, from the first site walk to the day we hand you the keys. No gaps in accountability, no finger-pointing when something needs to be fixed.
Award-winning craftsmanship
Recognized by Portland Monthly, the NW Natural Street of Dreams, BuildZoom, Nextdoor, and BusinessRate.
Family-owned since day one
Same owners, same values, nearly three decades running. You work with the people whose name is on the door.
Serving all of Portland Metro
From Hillsboro to Lake Oswego, Beaverton, Cedar Hills and every Portland neighborhood in between.
Client Reviews
What Our Clients Are Saying.
★★★★★
It was an absolute pleasure working with De Marco Builders, Inc. The boss is great to work with and truly values both their clients and employees. The team is dedicated, professional, and ensures high-quality work every step of the way. Highly recommend this company!
SAIMEN M.
★★★★★
Joe and his team have done several projects for us, including a bathroom update. They are professional, and their work is at the highest standard. I recommend them with no hesitation.
NICOLE S.
★★★★★
We are over the moon with the work Joe and company did in our bathroom. High quality materials completed with expertise and ahead of schedule. We could not have asked for more!!! Thanks Joe!!!!
DAN M.
FAQ
Common Questions.
Can't find the answer you're looking for? Reach out and we'll get back to you within one business day.
Do you offer free estimates?
Yes
How long does a typical project take?
It depends on the size, scope, design complexity and permit process.
Typical project timelines include:
- ADUs: 45–60 days
- Home Additions: 45–90 days
- Remodels: 30–90 days
- Custom Homes: 90–160 days
- Commercial Projects: 90–160 days
How do you price a project?
Every proposal from De Marco Builders provides complete cost transparency. Our estimates clearly show the construction costs, company overhead, profit, and total project cost so clients fully understand where every dollar is allocated.
Do you require a deposit?
No. Never. We do not require an upfront deposit. The first payment is due only after a portion of the contracted work has been completed.
What happens if costs change during the project?
We guarantee the contract price through project completion unless the homeowner requests additional work beyond the original scope or unforeseen structural conditions are discovered that were not visible during the initial evaluation.
Can you work within a specific budget?
Absolutely. De Marco Builders is a budget-driven builder. We work within the client’s established budget throughout the design, engineering, permitting, and construction phases. We utilize value-engineering principles to maximize quality while maintaining budget goals.
Are you licensed, bonded, and insured?
Yes. De Marco Builders is fully licensed, bonded, and insured. We maintain all required certifications and operate in full compliance with state regulations.
How do you handle unexpected issues that come up mid-project?
Unexpected issues are rare because of our extensive experience and thorough planning process. If an unforeseen issue does arise, it is addressed immediately, typically within 24 hours. We resolve issues in a code-compliant manner while protecting the project schedule.
How often will I receive updates?
Communication is one of our highest priorities. Once a client signs a contract, we maintain frequent communication throughout design, engineering, permitting, and construction. Clients receive regular progress updates, photos, and end-of-day reports so they remain informed from start to finish.
Our Blog
From the Field.
Practical guides, honest advice, and construction insights for Portland homeowners and business owners — no fluff, no filler, just information that actually helps.
October 15, 2026
De Marco Builders Named #1 General Contractor in Portland by BuildZoom
De Marco Builders has been voted 2026 Nextdoor Fave Award winner by neighbors. Here’s what the award means in plain terms, and why it matters when you’re hiring a contractor.
October 1, 2026
Voted by Neighbors: De Marco Wins a 2026 Nextdoor Fave Award
September 23, 2026
Remodel or Renovate? What Your Portland Home Needs
September 14, 2026
How to Set a Realistic Budget for a Home Renovation in Portland
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You'll Love?
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