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*The Angi rating for Septic Tank Service companies in Pendleton, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Pendleton, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on July 02, 2026

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Avatar for Speedy Septic
Speedy Septic
5.0(
1
)
Septic System - RepairSeptic System - Repair - For BusinessSeptic Tank - Clean or Pump Out+1 more

Serving Pendleton, OR and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

Your home septic system isn't something you want to worry about and Speedy Septic makes sure you won't have to! The Speedy Septic values are speed, quality and value. When your toilet won't flush or your drains won't drain, every minute counts. Speedy Septic has the largest truck fleet in Oregon and offers 24/7 emergency service. Our technicians receive continuing education, making them master troubleshooters with the expertise you can trust. They're often called in to solve problems other companies couldn't handle. Save time, money and hassle by calling Speedy Septic first! With Speedy Septic, you pay only for what we pump and our trucks have advanced measuring equipment to determine precise gallon extraction. While some companies conceal charges until it's too late to do anything, we will never perform additional work until you see and approve the estimate.

Response time3 hrs
Response rate100%
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Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Pendleton, OR and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Well. Only problem was delay in response time after claim was filed online. Water tank started leaking Thanksgiving morning and no reply until I called the Regional Manager."
Recommended by81%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Pendleton, OR and surrounding areas

In business since 1971

Credit card accepted

"Takes for ever to get a return a call. Also took a week to get someone out for repairs. They said they would reimburse me for septic repairs and it took over 3 months for that to happen."
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+2

Recommended by65%of homeowners
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Avatar for M and M Bro's
M and M Bro's
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Pendleton, OR and surrounding areas

In business since 2019

M and M, Bro's Specializes in debris removal, lawn-care, landscaping, and carpentry work. Various other services.

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Septic Tanks questions, answered by experts

The average cost to replace a septic tank or install a new system is typically around $7,350, with a broader average range of $5,000 to $12,000. However, total project costs can vary widely, from $5,000 to as much as $22,500. Key factors influencing the price include the size and type of the septic system, the tank material, and the size of your house.

It's important to distinguish between the cost of the tank itself and the cost of the entire system installation, which is significantly more. For the tank alone, costs vary by size:

  • A tank for a one-bedroom house typically costs $500 to $900.

  • A 1,000-gallon tank, suitable for most one- to three-bedroom homes, costs between $900 and $1,500.

  • A tank for a five- or six-bedroom home generally costs $1,200 to $1,600.

You can add three rotten tomatoes or 1/4 ounce of yeast to your septic tank to speed up the decomposition of sludge. You can add the tomatoes by way of your garbage disposal and the yeast by way of your toilet. You can do either of these additives once every three months as needed.

A septic tank always has some amount of liquid in it—which should usually be 8 to 12 inches from the top of the tank. If the liquid level is higher than that or is overflowing the drainage pipe that leads out to the leach field, the tank may be too full and in need of pumping.

You can put yogurt in your septic tank, but it will not increase the bacteria in your septic tank. In other words, it won't harm your tank, but it won't get rid of a septic smell or boost the performance of your septic system. While yogurt contains helpful bacteria, you would need to buy an extraordinary amount of yogurt to make any difference. Adding yogurt is not a helpful or cost-effective strategy.

Getting well water tested costs $100 to $350 if done by a pro. You can also buy DIY test kits for $20 to $100, but professional tests are more reliable. You can get a comprehensive well inspection, which includes advanced water testing, for $700 to $750, which you should do yearly anyway.

The Pendleton, OR homeowners’ guide to septic tank services

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

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