Jennen Construction | Insulation and Septic Installation
Septic & Sewer
Serving Hawley, MN
From Google Business Profile
5.0
4 Google reviews
Hours
| Monday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| Wednesday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| Friday | 9 AM–5 PM |
| Saturday | 9 AM–5 PM |
| Sunday | 9 AM–5 PM |
Google categories: Septic system service, Construction company
View on Google Maps →Last checked October 20, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 18
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
5 out of 5 stars · Feb 2026 · Owner replied
Jim did a great job! Very easy to work with, timely, and does quality work. I'd recommend him and will use again if I have future projects.
5 out of 5 stars · Feb 2026 · Owner replied
Total professional! Very skilled, always met the timelines, making sure I was happy and satisfied with his work. Because of this I hired him to spray foam…same results. I had several comments from other trades complementing the quality of…
5 out of 5 stars · Feb 2026 · Owner replied
Very easy to work with and did a great job insulating my shop. Would highly recommend.
The owner replied to 4 of the 4 most recent reviews Google showed.
From Google Business Profile, last checked October 20, 2026.
About plumbers in Hawley
Plumbers install and repair water supply, drain, gas and fixture systems in homes and businesses. Plumbers fix leaks and clogs, replace water heaters, install sinks, toilets and showers, repipe old galvanized lines, run gas lines for appliances and handle frozen or burst pipes. Licensed plumbers also pull permits for new rough-ins during remodels.
Typical cost: $175–$550 for a typical service call and repair. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Confirm a state or local plumbing license: Plumbing is a licensed trade in most of the region — ask for the license number.
- Ask how pricing works: Flat-rate pricing is easier to compare than open-ended hourly billing.
- Describe the problem precisely: Photos of the leak or fixture help get an accurate quote over the phone.