Full-Service Design-Build · Est. 1996
We Build Portland's Finest Homes.
From the first sketch to the final nail, DeMarco Builders manages every phase of your project — design, permitting, construction, and beyond.
a Custom Home Built Around You
Your Vision, Built Exactly the Way You Imagined It.
Our custom homes begin with your vision — not a template, not a catalog, and not someone else's idea of what a home should be. From there, our team handles every phase of the process, translating your vision into permit-ready designs and then building it exactly as planned, from the ground up.
Every decision — layout, materials, finishes, and construction — is made with your vision at the center. The result is a home that is entirely, unmistakably yours.
Built To Last
Craftsmanship That Goes Beyond What You Can See
A custom home is one of the most significant investments you'll ever make. What separates a home that holds its value from one that doesn't isn't just the finishes you choose — it's what's behind the walls. At De Marco Builders, the same standard of quality that goes into your cabinetry and countertops goes into your framing, your insulation, your mechanical systems, and every structural decision made along the way. Because a home built correctly from the inside out is one that performs well for decades, not just on move-in day.
That level of quality doesn't happen by accident. It's the result of careful planning, experienced supervision, and a construction process that is managed closely at every phase — from foundation to final inspection. For us, quality isn't a selling point. It's a standard.
THE PROCESS
What to Expect.
Custom home construction moves through several distinct phases — design development, permitting, site preparation, and construction — each one requiring careful planning and precise execution. Clients receive a detailed project timeline and transparent estimate before work begins, establishing a clear foundation of expectations that carries through every stage of the build.
At every phase, clients receive regular progress updates and have direct access to our team whenever needed. If questions come up, they get answered promptly. If anything requires a decision, it is communicated clearly and documented before work proceeds. The goal at every phase is the same — to keep the project moving efficiently while ensuring the finished home meets the standard that was agreed upon from day one.
WHY DEMARCO
Why Portland Clients Choose Us.
Portland's longest-serving custom builder
In business since 1996, we know Portland'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 budget creep, no exceptions — not once in 30 years of Portland construction.
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 and the NW Natural Street of Dreams.
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 Lake Oswego and West Linn to Beaverton, Tigard, and every Portland neighborhood in between.
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 Projects
Recent Work
Design-Build Custom Home Portland | De Marco Builders
See how De Marco Builders transformed a 900 sq ft 1946 bungalow into a 2,400 sq ft custom home in just 120 days. Portland’s design-build general contractor.
Whole Home Remodel in NE Portland | De Marco Builders
Studs-out renovation: new electrical, plumbing, HVAC, two primary suites, relocated kitchen, and white oak finishes — completed in 120 days. Portland remodel contractor.
Backyard Cottage ADU Built in 89 Days | De Marco Builders
One of Portland’s most efficient ADU builds: an 800 sq ft craftsman backyard cottage, fully permitted and completed in just 89 days.
Ready to Build Something
You'll Love?
Get a free consultation with our team — no commitment, just a conversation about what's possible.
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