General Contractor — Portland, OR Since 1996
One Contractor. Every Project.
From custom homes and commercial builds to ADUs, remodels, and design-build projects — DeMarco Builders has been Portland's trusted general contractor for 30 years.
LICENSED
BONDED
INSURED
PORTLAND METRO AREA
503-574-0659
OUR SERVICES
What We Build
From the ground up or renovation down to the last detail — DeMarco Builders brings over 30 years of experience to every project we take on.
Design-Build
One team from concept sketch to final walkthrough. Our design-build model delivers faster timelines and a single point of accountability.
Custom Homes
Bespoke residential builds tailored to your land, your lifestyle, and the legacy you want to leave behind for generations.
Residential Remodels
Full kitchen and bath remodels, whole-home transformations that respect what's there and elevate what's possible.
Commercial Projects
Office buildouts, retail spaces, restaurants, and tenant improvements — we bring the same precision and schedule discipline to commercial work that Portland businesses depend on.
ADUs & Additions
Backyard cottages, garage conversions, and second-story additions — designed to add value and keep families close.
What sets us apart
Why Clients Keep Calling Us Back.
01
We've never missed a project deadline. In 30 years, not once. That's not a marketing claim — it's a record that clients verify when they call our references.
02
One team handles design, permits, and construction — so there's no gap between what was promised and what gets built, and no finger-pointing between contractors when something needs to be resolved.
03
We build faster than the industry standard without cutting corners. A proven critical path system means less disruption and lower overall cost for you.
04
Award-winning work, recognized by Portland Monthly and the NW Natural Street of Dreams.
Service Area
We Build All Across the Portland Metro.
De Marco Builders service the entire city of Portland including the surrounding areas -all of Saint Johns/N Portland, NE Portland /Laurelhurst, SE Portland/East Moreland Area, NW/SW Portland, Tigard, Beaverton, Hillsboro, St Helens, Warren, and Scappoose. De Marco Builders will travel for quality substantial projects to the Oregon Coast and as far as Salem.
That focus also means established relationships with local suppliers, trusted subcontractors, and specialty trades throughout the area. Better sourcing, better pricing, and crews who show up on time because they're not driving in from across the state.
WHY SPEED MATTERS
Fast Builds. Three Decades of Proof.
Most Portland contractors drag projects out for months longer than necessary. Not because the work demands it — because they lack the systems to manage it. DeMarco Builders has spent three decades perfecting a critical path build process that consistently delivers custom homes faster than the industry standard.
Less rent overlap
Fewer months paying rent while your home is being built.
Less disruption
Less time living out of boxes and waiting on your life.
Lower material risk
Less exposure to mid-build material cost increases.
30-year track record
Not a promise — a record built since 1996 by the same family.
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.
Ready to Build Something
You'll Love?
Get a free consultation with our team — no commitment, just a conversation about what's possible.
Get in Touch