
Janitorial Services
Nightly, weekly, or on-demand office cleaning tuned to your building's rhythm. Consistent teams, documented checklists, zero surprises.
- Offices & lobbies
- Restrooms & breakrooms
- Restocking & waste
Star Building Services LLC is the Portland-metro janitorial partner trusted by small & medium businesses, high-tech, government offices, and Fortune-500 property managers. Family-owned. Insured. Cost-efficient. Available 24/7/365.

Originally founded in 2003 as Star Janitorial, Star Building Services is a licensed, bonded, and insured property-services contractor rooted in Portland. We specialize in industries where quality and safety are non-negotiable — government, high-tech, corporate offices, and warehouses — and we keep clients through the boring virtue of showing up, doing the work, and doing it consistently.
Background-checked, uniformed, badge-ready staff on every job.
Night crews, day porters, and emergency response when you need it.
Low-VOC, third-party-certified products, applied by trained hands.
1,000 sq ft studios to million-sq-ft campuses — one point of contact.

Nightly, weekly, or on-demand office cleaning tuned to your building's rhythm. Consistent teams, documented checklists, zero surprises.

Hardened protocols for high-tech, government, healthcare, and data-center environments where downtime and dust aren't options.

Visible, on-site porters and day crews who keep lobbies, restrooms, and common areas presentable while your building is open and busy.
“The floors look fantastic. Every single visit — dependable, thorough, and professional.”
“Our Portland offices are always in great shape. Star is a genuine extension of our team.”
“Excellent service. Extremely reliable. They've never let us down in years of partnership.”
“They go above and beyond to meet my expectations — 5-star service, every time.”
From downtown high-rises to Clackamas warehouses and Vancouver campuses — one team, one standard, whichever side of the river you're on.

Send us your address and a few photos, or book a 15-minute walk-through. You'll have a scoped, itemized quote in under 72 hours — no pressure, no filler.