Updated: Nov 18, 2025
Location and Projects
Address
Grand Ledge, MI, 48837
Use our bidding system to
request a quote
Key Builders Construction
Founded by Bill Tanasse and John Hospodar, Key Builders Inc has been serving the greater Lansing area from Grand Ledge, Michigan for nearly three decades. The company specializes in custom homes and residential remodels, combining luxury, functionality, and sustainability in every project. Bill Tanasse brings a background in mechanical engineering and experience from building and remodeling in the Seattle area before relocating to Michigan in 1994. He is actively involved in both the design process and client education, focusing on maximizing project value beyond cost per square foot. John Hospodar, who began his construction career as a child on his family's framing crew, holds degrees in Residential Building and Engineering Technology. He joined Key Builders as a carpenter and now co-leads the company, utilizing his field experience to oversee projects of varying scales and ensure efficient execution.
Key Builders Inc Services
Start a project today:
Key Builders Inc Contact Information
Phone Number: (517) 622-4314
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Key Builders Inc Grand Ledge
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Key Builders Inc has a BuildZoom score of 104, which places them above 91% of 167,179 contractors in Michigan.
Activity
|
1 project
|
2025 |
|
8 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Key Builders Inc has worked on at least
11.0 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
|
6 projects
|
Home Additions |
|
5 projects
|
Kitchen remodels |
|
4 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Key Builders Inc mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $100,000. 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.
Construct 14 x 16 dining room addition main floor remodel to include new kitchen pantry laundry room garage entry room and master closet remodel of master bathroom and linen closet kids bathroom existing master closet and stair case new doors on main floor
Valuation:
$100,000
Permit #:
PB23-0177
Status:
final
Fee:
$1,428
Permit Type:
Single family ren...
Building Type:
N/A
Framing and installation of a dumbwaiter 2-stop system along with general remodeling of part of the home as shown on drawings
Valuation:
$60,000
Permit #:
PB25-0134
Status:
issued
Fee:
$985
Permit Type:
Single family ren...
Building Type:
N/A
Construct 302 sf bedroom full bathroom and breezeway addition crawl space foundation 302 sf construct 194 sf attached screen porch
Valuation:
$180,000
Permit #:
PB23-0412
Status:
final
Fee:
$2,281
Permit Type:
Single family add...
Building Type:
N/A
Removing the existing screen porch and adding a 495 sq ft two-story addition with a crawl space foundation. includes two bedrooms one full bathroom one walk in closet and one entry room
Valuation:
$150,000
Permit #:
PB24-0015
Status:
final
Fee:
$1,914
Permit Type:
Single family add...
Building Type:
N/A
Kitchen remodel with new layout: new beam between kitchen and living room new cabinets countertops backsplash flooring trim
Valuation:
$100,000
Permit #:
PB23-0007
Status:
final
Fee:
$1,358
Permit Type:
Kitchen remodel
Building Type:
N/A
302 sf bedroom full bathroom and breezeway addition crawl space foundation 302 sf 194 sf attached screened porch exempt from sesc due to project size. attachments and communication are included as external docs
Valuation:
N/A
Permit #:
PSER23-0006
Status:
suspended
Fee:
N/A
Permit Type:
Soil erosion
Building Type:
N/A
Remodel of existing kitchen construction of mudroom walk-in pantry and closet within existing space based on plans provided
Valuation:
$100,000
Permit #:
PB24-0116
Status:
issued
Fee:
$1,417
Permit Type:
Kitchen remodel
Building Type:
N/A
180 sf mudroom/office addition 75 sf porch addition kitchen dining pantry remodel
Valuation:
$100,000
Permit #:
PB22-0375
Status:
final
Fee:
$1,252
Permit Type:
Single family add...
Building Type:
N/A
900sf two car garage addition
Valuation:
N/A
Permit #:
PB230542
Status:
final
Fee:
$655
Permit Type:
Remodel/addition
Building Type:
N/A
First floor remodel includes: kitchen pantry dining mudroom rear entry porch living room doors
Valuation:
$110,000
Permit #:
PB19-0170
Status:
final
Fee:
$1,396
Permit Type:
Single family ren...
Building Type:
N/A
*expand kitchen/pantry *remodel living room & dining room *re-trim all of first floor *replace bay window with sliding glass door *demo old deck and addition new deck *demo wood fireplace and addition gas fireplace *replace air conditioning and furnace *reside entire house
Valuation:
N/A
Permit #:
PB180458
Status:
triage
Fee:
$1,018
Permit Type:
Remodel/addition
Building Type:
N/A
Soil erosion for new residential home watertown charter twp sec. 014 2, 200 sf excavated area bill tanassee (517) 622-4314
Valuation:
N/A
Permit #:
PS190149
Status:
issued
Fee:
$250
Permit Type:
New home
Building Type:
N/A
Soil erosion for new residential pole building eagle twp sec. 016 sf excavated area not given alan hoppes (517) 282-1573
Valuation:
N/A
Permit #:
PS170220
Status:
final
Fee:
$150
Permit Type:
Soil erosion
Building Type:
N/A
Bedroom addition/remodel
Valuation:
$100,000
Permit #:
PB21-0477
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential remodel
Valuation:
$150,000
Permit #:
PB20-1634
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sun room updates as follows: windows flooring fireplace roof line alteration
Valuation:
$20,000
Permit #:
PB200427
Status:
triage
Fee:
$199
Permit Type:
Remodel/addition
Building Type:
N/A
Soil erosion for new residential home watertown charter twp sec. 208 3, 600 sf excavated area bill tanasse (517) 202-7288
Valuation:
N/A
Permit #:
PS190227
Status:
issued
Fee:
$250
Permit Type:
New home
Building Type:
N/A
Soil erosion for new residential home eagle twp sec. 016 4, 000 sf excavated area william tanassee (517) 202-7288
Valuation:
N/A
Permit #:
PS170248
Status:
final
Fee:
$125
Permit Type:
Soil erosion
Building Type:
N/A
Soil erosion for residential addition dewitt charter twp section 007 1364 sf excavated area bill tanasse 517-202-7288
Valuation:
N/A
Permit #:
PS170014
Status:
final
Fee:
$75
Permit Type:
Soil erosion
Building Type:
N/A
Demolition single family s- single residential family
2024-05-16
Demolish home and detached garage
Valuation:
N/A
Permit #:
PBLD2024-01443
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # 2102222633
Chelsea, MI
143
BZ Score
$12.9K
Avg Project
-
Projects
131
BZ Score
$750
Avg Project
-
Projects
137
BZ Score
-
Avg Project
-
Projects
Key Builders Inc Reviews
BuildZoom hasn't received any reviews for Key Builders Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Key Builders Inc License info
License Not Verified
| License # | 2102137871 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Company |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Key Builders Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2102137871 |
| Status | Active |
| State | Michigan |
| Type | Residential Builder Company |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Key Builders Inc with the Michigan Department of Licensing & Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2102137871 |
| Status | Inactive |
| State | Michigan |
| Type | Builder Company |
- According to the Michigan Department of Licensing & Regulatory Affairs, 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 Key Builders Inc at the Michigan Department of Licensing & Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
137
Permits
- Building permit records show that Key Builders Inc has worked on 137 permitted projects.
Key Builders Inc Employees
TJ
Tanasse Jr, William Joseph
Owner
TJ
Tanasse, William Joseph
Employer