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Find Septic system installers and replacers in Windsor

Avatar for Peak Plumbing & Drain Repair, LLC
Peak Plumbing & Drain Repair, LLC
4.9(
57
)

Serving Windsor, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Credit card accepted

"They conducted a thorough review of my aerobic septic system and spent an hour or so explaining what they found and my alternatives. They also pumped the settling and overflow tanks."
Before
Sewer Repair
Response time6 hrs
97 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Crow Creek Septic Services LLC
Crow Creek Septic Services LLC
5.0(
11
)

Serving Windsor, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"Crow Creek did an amazing job pumping and cleaning my septic tank. They showed up on time and were very professional. They also were respectful of my property and cleaned up after the job was done. I will definitely hire them again. Thank you!!!"
Response time11 hrs
Response rate94%
13 neighbors recently requested a quote
Avatar for Brett Barton Plumbing
Brett Barton Plumbing
5.0(
15
)

Serving Windsor, CO and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Brett installed a whole home water filtration system and now I have crystal clear crisp water! So thankful to hire him 10/10 would recommend "
Sewer install
Sewer install
Sewer install
Sewer install
Sewer install

+4

Response time4 hrs
Response rate100%
16 neighbors recently requested a quote
Jake's Mini Excavation
4.8(
16
)

Serving Windsor, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Customers say: Quick response

"They installed gutters on our horse barn. They were mindful of the horses' safety as we brainstormed ideas for the downspout that led into the horse paddock. Super easy to work with from the estimate to the install. Everyone I encountered was very kind and professional. Their pricing was also very competitive. Finally,"
Response time2 days
16 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Gallegos Constructions, Inc.
Gallegos Constructions, Inc.
5.0(
6
)

Serving Windsor, CO and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"We had Jim and his team dig a crawl space hole in our backyard for an ADU for my wife’s parents. I had constructed dozens of homes in years past but the space in my personal back yard was extremely limited. I was completely amazed on how they dug, stored the dirt, and back filled the new foundation with proper compaction! I would definitely recommend and hire Jim and his guys every time!"
Project Photos
Project Photos
3 neighbors recently requested a quote
Silverline Landscape & Excavation, LLC
4.8(
14
)

Serving Windsor, CO and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Tanner and his crew were absolutely amazing. Tanner was able to get me an estimate in a timely manner and very reasonably priced. I couldn't believe how nice and fun his crew was they had my driveway installed in no time, actually a day early! I have no doubt its going to last for years to come. I would recommend these guys to anyone who needs an excavator!"
Response time2 days
27 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Wrangler Excavation LLC
Wrangler Excavation LLC
5.0(
2
)

Serving Windsor, CO and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.\nYou will find us to be competitively priced with close attention to the details.\nOur reputation is based on service, safety, and quality, regardless of how large or small the job.\nWe look forward to building a lasting relationship and guarantee your satisfaction!\n

Demo Red Barn
Demo Shop
Cheyenne Airport
Canopy Removal
8 neighbors recently requested a quote
Avatar for Tatum Works Inc.
Tatum Works Inc.
5.0(
1
)

Serving Windsor, CO and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

Tatum Works Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Sewer repair
4 neighbors recently requested a quote
Showing 1-10 of 13
FAQs for septic system installation and replacement projects in Windsor, CO

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 Windsor, CO 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.