J B Holland Construction Inc.
excavation
Serving Calmar, IA
From Google Business Profile
4.2
5 Google reviews
Hours
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Excavating contractor
View on Google Maps →Last checked October 4, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible entrance
- Wheelchair accessible parking lot
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 · Mar 2024
I've had these guy's do a couple projects for us. They did a great job! Highly recommended them!
5 out of 5 stars · Sep 2020
Very informative people
1 out of 5 stars · Aug 2019
I was really surprised to be spoken to in the manner that Gary Mahr spoke to me over the phone . Very rude man
The owner replied to 0 of the 5 most recent reviews Google showed.
From Google Business Profile, last checked October 4, 2026.
Iowa Contractor Registration
- Reg. #
- C095563
- Expires
- January 19, 2027
Source: Iowa Division of Labor contractor registration data, licensed under CC BY 4.0. Look up this registration
About excavation contractors in Calmar
Excavating contractors handle digging, grading, trenching and site preparation. Excavators dig foundations and basements, grade lots for drainage, trench for utilities and drain tile, install culverts, remove stumps and prepare sites for driveways and building pads.
Typical cost: $2,000–$15,000 for residential site work. 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 utility locates: Contractors must call 811 before digging.
- Ask about drainage planning: Grading should move water away from structures.
- Clarify hauling: Confirm where excess soil goes.