Updated: May 26, 2026
Location and Projects
Address
N85w16110 Appleton Ave #943, Menomonee Falls, WI, 53052
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Gsi Builders Construction
Gsi Builders LLC, N85w16110 Appleton Ave, Menomonee Falls, WI (Owned by: David Graf) holds a Contractor license and 3 other licenses according to the Milwaukee license board.
Their BuildZoom score of 110 ranks in the top 4% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gsi Builders LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Gsi Builders LLC Services
Start a project today:
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Other Residential Remodel
Flatwork Concrete
Foundations
Other Concrete
Paving, Driveways, and Side...
Seismic Retrofit
ADU
Whole Home Remodel
Addition
Vertical Addition
Horizontal Addition
Vertical and Horizontal Add...
Single Room Remodel
Gsi Builders LLC Contact Information
Phone Number: (920) 395-8280
Address: N85w16110 Appleton Ave #943, Menomonee Falls, WI 53052
Gsi Builders LLC Menomonee Falls
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Gsi Builders LLC has a BuildZoom score of 110, which places them above 96% of 94,017 contractors in Wisconsin.
Activity
|
59 projects
|
2025 |
|
69 projects
|
2024 |
|
48 projects
|
2023 |
Our building permit records indicate that Gsi Builders LLC has worked on at least
176.0 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
|
12 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Gsi Builders LLC mostly works on
commercial renovation
projects.
Pricing
|
28 projects
|
< $5k |
|
124 projects
|
$5k-$20k |
|
12 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $8,906. 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.
Gsi Builders LLC Reviews
5 out of 5 stars, based on
1
review
-
By Ken P.August 20, 2015Basement repair$18,0005 daysBasement repair
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install full interior drain tile system
Valuation:
$10,025
Permit #:
P25-0078
Status:
final
Fee:
$120
Permit Type:
Foundation
Building Type:
N/A
Foundation repairs - partial drain tile and bracing of n e s walls
Valuation:
$14,424
Permit #:
PB24-0434
Status:
final
Fee:
$60
Permit Type:
Building
Building Type:
N/A
Foundation repair - full interior drain tile plus 48"x48 window into open basement
Valuation:
$17,095
Permit #:
PB25-0005
Status:
final
Fee:
$60
Permit Type:
Building
Building Type:
N/A
Single family- foundation repair
Valuation:
$18,215
Permit #:
RES-RPR-25-00258
Status:
complete
Fee:
$316
Permit Type:
N/A
Building Type:
N/A
Two family- basement repair
Valuation:
$30,929
Permit #:
RES-RPR-25-00148
Status:
complete
Fee:
$523
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$18,655
Permit #:
RES-RPR-25-00356
Status:
complete
Fee:
$323
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$18,445
Permit #:
RES-RPR-25-00355
Status:
complete
Fee:
$320
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$23,760
Permit #:
RES-RPR-25-00321
Status:
complete
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
Single family- basement repair
Valuation:
$9,440
Permit #:
RES-RPR-25-00147
Status:
complete
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$21,710
Permit #:
RES-RPR-25-00113
Status:
issued
Fee:
$373
Permit Type:
N/A
Building Type:
N/A
Basement foundation repair - partial bracing on north wall
Valuation:
$3,950
Permit #:
PB23-0150
Status:
final
Fee:
$60
Permit Type:
Building
Building Type:
N/A
Foundation repair - interior drain tile and bracing
Valuation:
$15,468
Permit #:
PB23-0124
Status:
final
Fee:
$60
Permit Type:
Building
Building Type:
N/A
Residential basement repair
Valuation:
$5,115
Permit #:
RES-RPR-25-00462
Status:
issued
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$8,268
Permit #:
RES-RPR-25-00461
Status:
complete
Fee:
$223
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$7,383
Permit #:
RES-RPR-25-00400
Status:
issued
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$10,461
Permit #:
RES-RPR-25-00318
Status:
complete
Fee:
$317
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$7,825
Permit #:
RES-RPR-25-00314
Status:
complete
Fee:
$299
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$9,165
Permit #:
RES-RPR-25-00244
Status:
complete
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Residential basement repair
Valuation:
$14,670
Permit #:
RES-RPR-25-00179
Status:
complete
Fee:
$258
Permit Type:
N/A
Building Type:
N/A
Commercial foundation repair
Valuation:
N/A
Permit #:
COM-RPR-25-00011
Status:
complete
Fee:
$223
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Gsi Builders LLC License info
Verified License
| License # | 1249383 |
| Status | Active |
| City | Milwaukee |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gsi Builders LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1249383 |
| Status | Active |
| State | Wisconsin |
| Type | Dwelling Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2019. Check the current license status of Gsi Builders LLC with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- According to the City of Milwaukee License Search, the status of this license was at one point cancelled. However, this information may have changed.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
386
Permits
- Building permit records show that Gsi Builders LLC has worked on 386 permitted projects.
Gsi Builders LLC Employees
DG
David Graf
Owner
My wife and I got their name from a friend who was a realtor who told us that we could save money and still get a quality job. She was right, not only did they do a great job, but they gave great advise along the way. Not all of us look at a house from a resale point of view. Thanks GSI!!!!!