Updated: Jan 26, 2026
Location and Projects
Address
6245 PARTNERS AVE, Marion, IA, 52302
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Koelker Excavating Inc
Koelker Excavating Inc, 6245 Partners Ave, Marion, IA (Owned by: Ron Koelker, Sandra Koelker) holds a Contractor license and 1 other license according to the Iowa license board.
Their BuildZoom score of 108 ranks in the top 5% of 39,764 Iowa licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Koelker Excavating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Koelker Excavating Inc Contact Information
Phone Number: (319) 373-2287
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Address: 6245 PARTNERS AVE, Marion, IA 52302
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Koelker Excavating Inc Marion
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Koelker Excavating Inc has a BuildZoom score of 108, which places them above 95% of 39,764 contractors in Iowa.
Activity
|
27 projects
|
2025 |
|
32 projects
|
2024 |
|
30 projects
|
2023 |
Our building permit records indicate that Koelker Excavating Inc has worked on at least
89.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
37 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Koelker Excavating Inc mostly works on
new construction
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$100k-$250k |
|
75 projects
|
$250k-$500k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $350,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Koelker Excavating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
New single family dwelling (lower landing with two risers)
Valuation:
$485,000
Permit #:
20250384
Status:
triage
Fee:
$4,088
Permit Type:
N/A
Building Type:
N/A
New single family dwelling (lower landing with two risers)
Valuation:
$490,000
Permit #:
20250302
Status:
filed
Fee:
$4,116
Permit Type:
N/A
Building Type:
N/A
Building a house
Valuation:
$400,000
Permit #:
20250530
Status:
filed
Fee:
$3,612
Permit Type:
N/A
Building Type:
N/A
New family dwelling
Valuation:
$438,876
Permit #:
20250608
Status:
filed
Fee:
$3,829
Permit Type:
N/A
Building Type:
N/A
Building a house
Valuation:
$450,000
Permit #:
20250732
Status:
filed
Fee:
$3,892
Permit Type:
N/A
Building Type:
N/A
Building a house
Valuation:
$450,000
Permit #:
20250731
Status:
filed
Fee:
$3,892
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250138
Status:
filed
Fee:
$3,182
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250137
Status:
filed
Fee:
$3,332
Permit Type:
N/A
Building Type:
N/A
Construction of 1584 s.f. single family dwelling & 1386 s.f. adu - includeds attached 2 stall garage: single family dwelling - 3 bedrooms & 3 baths adu - 3 bedrooms & 3 baths please call 286-5831 for footing framing & final inspections
Valuation:
$250,000
Permit #:
SEWR-003393-2022
Status:
issued
Fee:
N/A
Permit Type:
Install
Building Type:
N/A
Building single family home
Valuation:
$530,179
Permit #:
20240444
Status:
issued
Fee:
$3,527
Permit Type:
N/A
Building Type:
N/A
New single family home
Valuation:
$600,000
Permit #:
20240930
Status:
triage
Fee:
$4,647
Permit Type:
N/A
Building Type:
N/A
New sf detached 5 bedroom 3 bathroom 3 car ranch style dwelling
Valuation:
$300,000
Permit #:
BLDR22-0073
Status:
complete
Fee:
$3,300
Permit Type:
N/A
Building Type:
N/A
New construction 1645 sq ft single famliy home
Valuation:
$380,000
Permit #:
20220632
Status:
complete
Fee:
$3,459
Permit Type:
N/A
Building Type:
N/A
Construct 48 x 56 morton building on north side of lot. call for required inspections. **permit revised: this permit does not include the living space to be completed at this time - additional plans/permits will be required for any work not listed on this permit**
Valuation:
$250,000
Permit #:
SEWR-019569-2021
Status:
issued
Fee:
N/A
Permit Type:
Install
Building Type:
N/A
New construction of a single family home
Valuation:
$380,000
Permit #:
20220643
Status:
complete
Fee:
$3,459
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250737
Status:
filed
Fee:
$3,182
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250730
Status:
filed
Fee:
$3,182
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250728
Status:
filed
Fee:
$3,332
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250727
Status:
filed
Fee:
$3,332
Permit Type:
N/A
Building Type:
N/A
Building a duplex
Valuation:
$350,000
Permit #:
20250726
Status:
filed
Fee:
$3,182
Permit Type:
N/A
Building Type:
N/A
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Koelker Excavating Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Koelker Excavating Inc License info
Verified License
| License # | C145833 |
| Status | Active |
| State | Iowa |
| Type | Contractor |
| Date Issued | 07-16-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Koelker Excavating Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C086756 |
| Status | Inactive |
| State | Iowa |
| Type | Contractor |
| Business Type | Corporation |
- According to the Iowa Workforce Development Agency, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Koelker Excavating Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
770
Permits
- Building permit records show that Koelker Excavating Inc has worked on 770 permitted projects.
Koelker Excavating Inc Employees
BW
Benjamin Weatherwax
Owner
RK
Ron Koelker
Owner
RK
Ron Koelker, Sandra Koelker
Owner