Top-rated septic system installers and replacers.

Get matched with top septic system installers and replacers in Corvallis, OR

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Septic system installers and replacers in Corvallis

Avatar for Andrew Excavation & Septic, LLC
Andrew Excavation & Septic, LLC
5.0(
2
)

Serving Corvallis, OR and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

We are committed to understanding your unique needs and creating a plan to deliver a quality finished project. We pride ourselves on exceptional communication to provide understanding of all variables. In the PNW, drainage is the name of the game. We take on a variety of projects from preparing the site to build, to horse arena drainage systems, to septic system install. We are seasoned in working with utilities for power, water septic and to deliver to the site. As well as road building. Feel free to call with questions or concerns to ensure a good fit for all. 503830848\n

Septic Repair
Septic Repair
ATT Septic System Install
ATT Septic System Install
ATT Septic System Install

+10

Response time1 day
Response rate94%
3 neighbors recently requested a quote
Avatar for Hidden Gem Septic LLC
Hidden Gem Septic LLC
5.0(
1
)

Serving Corvallis, OR and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Servicing Lane, Linn, Benton, Marion, and Douglas Counties.\nCommercial and Residential. \nCcb# 245168\nDeq # 39716\nSpecializing in all your septic needs.\n?DEQ Certified Inspections.\n?Pump/Alarm Troubleshoots & Replacements.\n?24/7 Emergency Services.\n?Maintenance Contracts.\n?Camera Inspections.\n?Septic Tank & Drainfield Locating & Repairs.\n?Septic Line Repairs.\n?Drone Videography.\n?Snaking.\n?Hydro-Jetting.\n?Risers.\n?Baffles.\n?Root Removal.\n?Cleanouts/Rv Dumps.

Response time12 hrs
31 neighbors recently requested a quote
Fasco
3.6(
8
)

Serving Corvallis, OR and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

Fasco has a single mission: Complete Customer Satisfaction! We strongly believe in giving our customers the most for their money. So, we work with only the highest quality materials, experienced and professional craftsmen. We consistently focus on the needs of our customers, providing personalized attention and a stress-free experience. This approach sets us apart and makes us one of the leading handyman companies in Salem, OR.

 Rocks stairs
 Angel of Hope
 Retaining wall
 Front porch
 Retaining walls

+8

Response time1 day
Response rate94%
1 neighbors recently requested a quote
Russell's Excavation & Septic Pro's LLC
5.0(
2
)

Serving Corvallis, OR and surrounding areas

In business since 1994

Free estimates

Small jobs welcome

Family Owned and Locally Operated. We are small and we take great care of our customers. Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with RUSSELL'S EXCAVATION & SEPTIC PROS LLC, you'll notice that we're particularly focused on the principles of quality work, new equipment, timely completion, communicative, affordable pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

Septic Install
Septic Install
Preparing for Septic Install
Septic Install
Septic Install

+9

Response time12 hrs
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,676
)

Serving Corvallis, OR and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"I would highly recommend choice over any home warranty as a home owner i had a major problem with my hvac system and they got it replaced in a timely fashion much respect for them don't miss out on a great deal"
Recommended by82%of homeowners
Wind Rose Excavation, LLC
5.0(
3
)

Serving Corvallis, OR and surrounding areas

In business since 2022

Free estimates

Offers commercial services

"They did great work, in a timely manner, and it was great being able to leave it in their hands. He took the time to consult with me on how we could decommission my previous septic system, laid everything out and made himself available for questions, and then I was allowed to make an informed decision. That is just the kind of excellent customer service I needed considering it was a big job requiring extensive digging in order to set up a new drain field and tank for my septic. Definitely a great experience working with Nathan. I was so impressed I hired them for a second, smaller, project and I have offered to let them put a sign in my yard they did such a great job. I highly highly recommend them."
Response time2 days
Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Corvallis, OR and surrounding areas

In business since 1971

Credit card accepted

"I just pay $75 you never know who's going to come out. They do everything electrical. Just about everything is covered except the septic tank. I had an air conditioner replaced. It went great, all I had to do was pay for the freon. He didn't charge e more than what was needed."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Recommended by65%of homeowners
Small jobs by Mike
5.0(
2
)

Serving Corvallis, OR and surrounding areas

In business since 1992

Free estimates

Credit card accepted

Mike Arts is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.\n

Response time11 hrs
Recommended by100%of homeowners
Showing 1-10 of 22
FAQs for septic system installation and replacement projects in Corvallis, OR

The smallest standard septic system uses a 500-gallon tank, which costs between $875 and $1,150 installed. This size works well for single-occupant dwellings with minimal wastewater production. However, many local regulations specify minimum tank sizes, so check with your building department before committing to this compact option. Some jurisdictions require at least 750 gallons regardless of home size to ensure adequate waste processing capacity.

The installation timeline varies based on site conditions, permit processing, and contractor schedules. The process includes obtaining permits, conducting soil tests, excavation, tank placement, leach field construction, and final connections. Weather conditions, soil challenges, and inspection scheduling can all affect the overall timeline. It's wise to begin planning well in advance of when you need the system operational.

The most economical approach is to install a conventional anaerobic system with a plastic tank. To minimize costs while maintaining legality, obtain multiple quotes from licensed installers, consider scheduling during their slower seasons, and handle basic site preparation yourself. Never skip permits or required testing to save money—illegal installations can result in significant fines and mandatory removal, ultimately costing far more than doing it right initially.

Regular pumping helps prevent system failures and extends operational life. Most small systems require pumping every three to five years, though frequency depends on household size and usage patterns. Pumping services cost between $290 and $530, making this maintenance expense relatively minor compared to potential repair costs ranging from $500 to $2,600 for neglected systems. Establishing a regular maintenance schedule based on your installer's recommendations helps avoid costly emergency services.

The Corvallis, OR homeowners’ guide to septic system installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.