Cornelius construction done right the first time.
Veteran-owned, CCB-licensed general contractor serving Cornelius and surrounding Washington County. 17 years building Oregon.
Why a Cornelius owner picks Green O
Quick drive from our Beaverton office. We know Washington County permit cycles and what local zoning will and won't allow. Bilingual EN/ES crews on every site.
Most-requested services in Cornelius
Neighborhoods we know
Cornelius Heights
Response time
24-hour callback. Same-day for emergencies.
ZIPs we cover
97113
Every service we run in Cornelius
Cornelius services, by category
Cornelius resources
Field notes and proof for Cornelius homeowners.
Free inspection — no obligation, written report yours to keep
Probably not the right move if you want the cheapest bid.
If you want this done once — by a CCB-licensed local who'll still answer the phone in year seven — we reply to every web inquiry inside 15 minutes during business hours (Mon–Sat 8 AM–7 PM PT). Storm damage or active leak? Call (971) 226-7751 — same-day callback.
Direct line
(971) 226-7751
Hours
Mon–Sat
8 AM – 7 PM PT
Office
20001 SW Tualatin Valley Hwy
Suite 208
Beaverton, OR 97006
Storm Response
24-hour callback
365 days/year