Top 6 Septic Tank Service in Portland, OR
The best septic tank services in Portland, OR for 2026 include Cornel's Plumbing, Heating & Air Conditioning (4.9), Service Plus Plumbing (5), D&F Plumbing, Heating and Cooling (4.5). All offer septic pumping, inspection, repair, and new system installation.
Goodman Septic Services
Speedy Septic
Scout Septic, Grease & Drain
West Side Drain and Septic
River City Environmental
Lil' Stinky Septic Service
How We Ranked These Portland Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Portland market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does septic tank pumping cost in Portland?
Septic tank pumping in Portland typically costs $300-$600 for a standard 1,000-1,500 gallon tank. Larger tanks and difficult access cost more. Pumping is recommended every 3-5 years.
How often should a septic tank be pumped?
Every 3-5 years for a typical household. Families with garbage disposals, more occupants, or smaller tanks should pump every 2-3 years. Never go more than 5 years between pumpings.
What are signs of septic tank problems?
Slow drains throughout the house, sewage odors indoors or outdoors, gurgling pipes, standing water or lush grass over the drain field, and sewage backup in the lowest drains.