Updated: Nov 25, 2025
Location and Projects
Address
Ann Arbor, MI, 48103
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John Koselka Construction
Serving the Ann Arbor, Michigan area, John Koselka specializes in residential construction and remodeling projects. With five years of experience, John Koselka has managed projects that involve additions, renovations, and other home improvement services within the local community. The business focuses on working with homeowners in Ann Arbor and nearby neighborhoods, delivering a range of construction solutions tailored to the needs of each residence. Project types have included kitchen and bathroom remodels, as well as general renovations designed to enhance functionality and livability. By working directly with property owners, John Koselka facilitates efficient project coordination from initial concept through completion. With a portfolio centered on residential properties, the contractor ensures projects meet the requirements of Ann Arbor homeowners seeking reliable and knowledgeable building services.
John Koselka Services
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John Koselka Contact Information
Phone Number: (734) 649-0999
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John Koselka Ann Arbor
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John Koselka has a BuildZoom score of 99, which places them above 85% of 167,179 contractors in Michigan.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that John Koselka has worked on at least
6.0 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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $30,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
740 sq feet deck maximum 28 above grade set on 12 inch concrete piers (17 total) set 42 below grade simpson post brackets 4x4 posts support brackets (2) 2x10 beams spanning 7 with maximum 2 cantilever 2x8 joists spaced 16 oc covered with composite decking. three steps 7 risers and 11 treads
Valuation:
$38,000
Permit #:
BLDGR24-1033
Status:
final
Fee:
$689
Permit Type:
N/A
Building Type:
N/A
Covering/refacing existing concrete porch with composite decking. demolish existing concrete steps and building composite decking steps. installing timbertech railing on porch and stairs all spindles less than 4 inches apart vertically
Valuation:
$8,000
Permit #:
BLDGR24-2005
Status:
final
Fee:
$279
Permit Type:
N/A
Building Type:
N/A
Renovating/finishing partial area of basement
Valuation:
$36,000
Permit #:
BLDGR25-0495
Status:
final
Fee:
$605
Permit Type:
N/A
Building Type:
N/A
Adding a 5 x 8 deck w/stairs to a single family dwelling. 2-2x8 beams 2x8 joists with pergola 2x6 framing (no load or covering on pergola just decorative)
Valuation:
$1,562
Permit #:
PBLD2023-03572
Status:
issued
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Repairing damage to roof and interior rooms caused by fallen tree
Valuation:
$30,000
Permit #:
BLDGR23-2176
Status:
final
Fee:
$593
Permit Type:
N/A
Building Type:
N/A
Repairing damage from fallen tree-rafters-deck-kit ceiling
Valuation:
N/A
Permit #:
BLDG21-1949
Status:
final
Fee:
N/A
Permit Type:
Residence add/alter
Building Type:
N/A
Repair damage caused to roof and interior ceiling from fallen tree
Valuation:
$30,000
Permit #:
BLDGR23-2238
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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John Koselka Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
John Koselka License info
Verified License
| License # | 242100767 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for John Koselka at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 242100767 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Individual |
- BuildZoom has not verified this license since June, 2024.
Verify this license's status for John Koselka at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONT-216242 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, 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 John Koselka at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-210284 |
| Status | Inactive |
| City | Ann Arbor |
| Type | Contractor |
- According to the The City of Ann Arbor, MI, 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 John Koselka at the The City of Ann Arbor, MI.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
6
Permits
- Building permit records show that John Koselka has worked on 6 permitted projects.