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Septic Design Sherwood

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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
3.7
Based on 13 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!
Lisa Rushing
Lisa Rushing
18:17 14 Mar 22
This company is 5+ stars! After getting very poor service from our previous septic service company, AOS came out and repaired and cleaned our system. 4 guys spent most of the day repairing, pumping, cleaning and camera all lines to make sure we were not going to have troubles down the line. They all were very friendly and hard working. Cleaned up after themselves and explained the workings of our very complicated septic system.The office was very customer service centered and called back and completed the estimate for repairs right away. Love that they are local and honest with what needed to be done to get our system back on track. Thank you Matt and team for all your expertise and hard work last week. I really appreciate the time spent explaining all that was done and how the system works.
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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Septic Design Sherwood

Septic Design in Sherwood

American On Site Septic provides innovative solutions to household wastewater problems in Sherwood that are often overlooked. Working within your budget, we aim to provide our clients with the most functional and economic technology to meet their needs.

We focus on:

  • Meeting the sewage disposal needs of our clients
  • Conducting continuous product and design research
  • Working with evolving systems

Why choose us for Septic Designing?

With our 18+ years of experience & extensive knowledge of septic system design , we offer a range of septic services, including septic system design, percolation tests, and hydraulic load tests, as well as field investigation services for homeowners, commercial businesses, and communities that need to upgrade or develop their existing wastewater systems.
Having worked in the industry for decades, we have extensive experience evaluating septic systems in terms of their functionality, water quality impacts, and code compliance, as well as expertise in overall septic design across the Sherwood area.

How to Contact Us?

Our team of septic system design professionals is the right choice if you need help with your system. Let American On Site Septic handle all your needs.

Give us a call today to learn more about our Septic Design services and how we can assist you with installation and upgrades.

American On Site
American On Site
4.4
Based on 18 reviews
review us on
American On Site
American On Site
3.7
Based on 13 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!
Lisa Rushing
Lisa Rushing
18:17 14 Mar 22
This company is 5+ stars! After getting very poor service from our previous septic service company, AOS came out and repaired and cleaned our system. 4 guys spent most of the day repairing, pumping, cleaning and camera all lines to make sure we were not going to have troubles down the line. They all were very friendly and hard working. Cleaned up after themselves and explained the workings of our very complicated septic system.The office was very customer service centered and called back and completed the estimate for repairs right away. Love that they are local and honest with what needed to be done to get our system back on track. Thank you Matt and team for all your expertise and hard work last week. I really appreciate the time spent explaining all that was done and how the system works.
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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Contact Us

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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