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Since 2003 American On Site has been providing the greater Willamette Valley with professional and affordable septic services. If you are currently in the process of building your home, give us a call to come and inspect your plot, help you select the right location for your septic system, and educate you on one of our quality septic system brands. From septic installation to septic maintenance, we want to be your trusted go-to resource for all of your septic system needs. 

 

American On Site
American On Site
4.4
Based on 18 reviews
review us on
American On Site
American On Site
3.6
Based on 12 reviews
review us on
Dawn D.
Dawn D.
06:37 17 Nov 24
We called for a second opinion and American On Site was so responsive, did a thorough inspection and talked us through the entire process. They saved me...
chris lewis
chris lewis
01:39 30 Oct 24
We had a septic tank emergency, and American On site responded immediately quickly fixed our problem. We’ve used American On Site for over 15 years. Their level of service and value is unmatched. Dave always picks up his phone and is there to solve your problem. The folks that came out on site, John and Shane did great work and were very professional. Another great experience with American On Site.
Kristi
Kristi
01:06 13 Sep 24
American On Site applied Hydroseed to our 10,000SF lawn area and did a great job! Shane and Dave were professional and polite. Super easy to work with. Shane did a very precise application and we are very happy with the result.
Michael Perkins
Michael Perkins
16:21 01 May 24
Quick response time, they book up quick.
Chanda Buck
Chanda Buck
21:12 13 Nov 23
Diagnosed and repaired our issue quickly!
Keith Stewart
Keith Stewart
00:09 02 Jun 23
I was referred to AOS, and it's the best one I've ever had! Replaced my failed home sewage pump on the same day in record time. With competitive costs and great service, I'll never use anyone else. A true "customer service" business!
Chad “Charlie” Burnett
Chad “Charlie” Burnett
23:03 01 Sep 22
We have used these guys a few times over the years. This last experience was even better than the great service we’ve had in the past.I briefly explained my problem, they worked out a schedule to be here the next day.Amanda was great, but I have to give a huge thanks to Josh. He remembered us from a few years past, identified my issue quickly and gave me great advice to solve it quickly to avoid bigger issues later.I highly recommend them!!Thanks again.Chad BurnettNewberg
Kari Lundell
Kari Lundell
04:50 22 Apr 22
So grateful to Jim & John who came to the house. The lady on the phone listened, asked a few questions about the clean out pipe and yard. Drains had been working all day then did a load of laundry in the evening and suddenly everything is backing up. We made a few calls around immediately the next morning when it was obvious we couldn't clear it ourselves. American came to the house a few hours later, friendly, helpful, didn't just do the job but took the time to review out septic maintenance practices so they could get a good idea of how it may be flowing, or not, and why. Got the clog cleared and came in considerably less $ than I expected to pay. Definitely will call them again, just hopefully not too soon. Thank You!
Steve R
Steve R
02:10 20 Nov 21
Excellent service. Great pricing. Fast and efficient I wish I could give them six stars.
Malina D.
Malina D.
10:45 15 Jul 21
We needed to replace our septic tank and although we had to wait a month or so (other companies were longer (end of covid)). They had a reasonable bid. They...
Brett N Mary F.
Brett N Mary F.
13:12 27 May 21
We were impressed with the quality and professionalism all the employees we have come in contact with at American On Site. Quick and courteous, a pleasure...
D C.
D C.
14:43 28 Aug 20
Came home to an alarm sounding on our septic panel. Called Speedy Septic (previous servicer and latest inspector to our system). They wanted $225 for...
Dee R
Dee R
22:01 23 Apr 16
If anyone ever needs septic system help these are the people to call. We had a recent septic emergency. A company we had used before pumped the tank. Within 3 days tank was full again. The "X" company we had used to pump tank told us drain field needed replaced, an 8K-16K expense.A friend suggested we call Dave at American On Site to get a second opinion. What a different story, he confirmed that our drain fields were fine and within a short time had men out that cleared the blockage to drain field and did a simple repair on septic tank. Total bill was extremely reasonable. I never do reviews, but for Dave I needed to take the time as he kept us from emptying our bank account for repairs not needed.
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Testimonials

American On Site
American On Site
4.4
Based on 18 reviews
review us on
American On Site
American On Site
3.6
Based on 12 reviews
review us on
Dawn D.
Dawn D.
06:37 17 Nov 24
We called for a second opinion and American On Site was so responsive, did a thorough inspection and talked us through the entire process. They saved me...
chris lewis
chris lewis
01:39 30 Oct 24
We had a septic tank emergency, and American On site responded immediately quickly fixed our problem. We’ve used American On Site for over 15 years. Their level of service and value is unmatched. Dave always picks up his phone and is there to solve your problem. The folks that came out on site, John and Shane did great work and were very professional. Another great experience with American On Site.
Kristi
Kristi
01:06 13 Sep 24
American On Site applied Hydroseed to our 10,000SF lawn area and did a great job! Shane and Dave were professional and polite. Super easy to work with. Shane did a very precise application and we are very happy with the result.
Michael Perkins
Michael Perkins
16:21 01 May 24
Quick response time, they book up quick.
Chanda Buck
Chanda Buck
21:12 13 Nov 23
Diagnosed and repaired our issue quickly!
Keith Stewart
Keith Stewart
00:09 02 Jun 23
I was referred to AOS, and it's the best one I've ever had! Replaced my failed home sewage pump on the same day in record time. With competitive costs and great service, I'll never use anyone else. A true "customer service" business!
Chad “Charlie” Burnett
Chad “Charlie” Burnett
23:03 01 Sep 22
We have used these guys a few times over the years. This last experience was even better than the great service we’ve had in the past.I briefly explained my problem, they worked out a schedule to be here the next day.Amanda was great, but I have to give a huge thanks to Josh. He remembered us from a few years past, identified my issue quickly and gave me great advice to solve it quickly to avoid bigger issues later.I highly recommend them!!Thanks again.Chad BurnettNewberg
Kari Lundell
Kari Lundell
04:50 22 Apr 22
So grateful to Jim & John who came to the house. The lady on the phone listened, asked a few questions about the clean out pipe and yard. Drains had been working all day then did a load of laundry in the evening and suddenly everything is backing up. We made a few calls around immediately the next morning when it was obvious we couldn't clear it ourselves. American came to the house a few hours later, friendly, helpful, didn't just do the job but took the time to review out septic maintenance practices so they could get a good idea of how it may be flowing, or not, and why. Got the clog cleared and came in considerably less $ than I expected to pay. Definitely will call them again, just hopefully not too soon. Thank You!
Steve R
Steve R
02:10 20 Nov 21
Excellent service. Great pricing. Fast and efficient I wish I could give them six stars.
Malina D.
Malina D.
10:45 15 Jul 21
We needed to replace our septic tank and although we had to wait a month or so (other companies were longer (end of covid)). They had a reasonable bid. They...
Brett N Mary F.
Brett N Mary F.
13:12 27 May 21
We were impressed with the quality and professionalism all the employees we have come in contact with at American On Site. Quick and courteous, a pleasure...
D C.
D C.
14:43 28 Aug 20
Came home to an alarm sounding on our septic panel. Called Speedy Septic (previous servicer and latest inspector to our system). They wanted $225 for...
Dee R
Dee R
22:01 23 Apr 16
If anyone ever needs septic system help these are the people to call. We had a recent septic emergency. A company we had used before pumped the tank. Within 3 days tank was full again. The "X" company we had used to pump tank told us drain field needed replaced, an 8K-16K expense.A friend suggested we call Dave at American On Site to get a second opinion. What a different story, he confirmed that our drain fields were fine and within a short time had men out that cleared the blockage to drain field and did a simple repair on septic tank. Total bill was extremely reasonable. I never do reviews, but for Dave I needed to take the time as he kept us from emptying our bank account for repairs not needed.
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what-are-the-different-ways-to-fix-septic-tank-problems

Service Area

At American On Site, we get requests from a large geographic area, but it’s important to us, to help control our costs, to only serve a specific geographic area of Oregon. If you are in these counties, please call us to schedule an appointment for a free estimate!

  • Clackamas
  • Marion 
  • Washington
  • Yamhill 
  • Multnomah
  • Linn
  • Polk 
  • Tillamook
  • Lincoln
  • Columbia 

We’re Here To Help! Call Us When You Need Us!

If you are in need of a quote or just have questions about your septic system, please give us a call. We understand that your septic system is critical to the health and comfort of your home and family, and it’s a point of pride for us to be there for our customers when they need us! Call us today or fill out our form on our Contact Us page and we will get back to you as quickly as possible! 

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About Us

If you are in need of a bid or just have questions about your construction project, please call us. We understand that demolition needs are critical to the beginning of a project, and it’s a point of pride for us to be there for our customers when they need us!

Licensed & Bonded

We are  licensed, bonded and insured. We maintain all the necessary documentation you need to confidently hire a contractor.

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31881 OR-213 Molalla, OR 98038

Phone numbers:
Molalla: 503-829-7600
Newberg: 503-538-8808
Fax: 503-829-7676

Email: [email protected]

We are open: Monday – Friday 7 AM –4 PM

License Numbers: CCB #158543, DEQ #38346

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