Updated: Apr 22, 2025
Location and Projects
Address
684 Dobester Ave, Charleston, SC, 29412
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Keystone Construction
Keystone Construction, 684 Dobester Ave, Charleston, SC (Owned by: Susan Nussler) holds a Residential Builders Rbb - Residential Builders Builder license and 8 other licenses according to the South Carolina license board.
Their BuildZoom score of 107 ranks in the top 6% of 79,084 South Carolina licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keystone Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Keystone Construction Services
Start a project today:
Keystone Construction Contact Information
Phone Number: (706) 651-0075
Address: 684 Dobester Ave, Charleston, SC 29412
Keystone Construction Charleston
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Keystone Construction has a BuildZoom score of 107, which places them above 94% of 79,084 contractors in South Carolina.
Activity
|
11 projects
|
2025 |
|
26 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Keystone Construction has worked on at least
49.0 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
|
43 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Keystone Construction mostly works on
new construction
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
|
27 projects
|
$100k-$250k |
|
17 projects
|
$250k-$500k |
The typical size of their permits is approximately $191,590. 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 Keystone Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
1 single family dwelling no garage
Valuation:
$356,776
Permit #:
2300004716
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 single family dwelling no garage
Valuation:
$356,776
Permit #:
2300004716
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 single family dwelling no garage
Valuation:
$356,776
Permit #:
2300004716
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 single family dwelling no garage
Valuation:
$356,776
Permit #:
2300004716
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New residential construction
Valuation:
$345,320
Permit #:
RN-24-03441
Status:
complete
Fee:
$1,376
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$344,160
Permit #:
RN-24-01302
Status:
complete
Fee:
$1,289
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$314,160
Permit #:
RN-24-00159
Status:
complete
Fee:
$1,289
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$350,040
Permit #:
RN-24-00107
Status:
complete
Fee:
$1,445
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$339,948
Permit #:
RN-24-00102
Status:
complete
Fee:
$1,220
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$286,828
Permit #:
RN-24-00109
Status:
complete
Fee:
$1,445
Permit Type:
N/A
Building Type:
Single family
375/377 multi family duplex on new septic greer sc 2 bedroom/2bath
Valuation:
$200,000
Permit #:
BLDRESDNTL-0224-9263
Status:
complete
Fee:
$950
Permit Type:
N/A
Building Type:
N/A
New construction
Valuation:
$350,040
Permit #:
RN-24-00155
Status:
complete
Fee:
$1,445
Permit Type:
N/A
Building Type:
Single family
New construction
Valuation:
$361,300
Permit #:
RN-24-00114
Status:
complete
Fee:
$1,286
Permit Type:
N/A
Building Type:
Single family
New construction
Valuation:
$335,320
Permit #:
RN-24-00106
Status:
complete
Fee:
$1,352
Permit Type:
N/A
Building Type:
Single family
New construction
Valuation:
$291,160
Permit #:
RN-24-00157
Status:
complete
Fee:
$1,139
Permit Type:
N/A
Building Type:
Single family
New construction
Valuation:
$291,160
Permit #:
RN-24-00112
Status:
complete
Fee:
$1,139
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$253,110
Permit #:
RN-24-03995
Status:
issued
Fee:
$1,442
Permit Type:
N/A
Building Type:
Single family
No Description Available
Valuation:
$290,720
Permit #:
23-234/000 000 ELEC 00
Status:
issued
Fee:
$2,431
Permit Type:
New single family...
Building Type:
Residential singl...
New residential construction
Valuation:
$215,580
Permit #:
RN-24-06558
Status:
issued
Fee:
$1,235
Permit Type:
N/A
Building Type:
Single family
New residential construction
Valuation:
$222,235
Permit #:
RN-24-03999
Status:
issued
Fee:
$1,442
Permit Type:
N/A
Building Type:
Single family
Keystone Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Keystone Construction License info
License Not Verified
| License # | RBB.19171 |
| Status | Active |
| State | South Carolina |
| Type | Residential Builders Rbb - Residential Builders Builder |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CLG99128 |
| Status | Active |
| State | South Carolina |
| Type | General Contractor Bd2 - Building (Bd, Lb, Ub) With A Project Limit Of $100,000 |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23427 |
| Status | Active |
| State | South Carolina |
| Type | Home Builders, Bond On File,Carpentry,Drywall Install/Repair,Roofing |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23159 |
| Status | Active |
| State | South Carolina |
| Type | Home Builders, Carpentry,Drywall Install/Repair,Vinyl/Aluminum Siding |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23160 |
| Status | Active |
| State | South Carolina |
| Type | Home Builders, Carpentry,Drywall Install/Repair,Vinyl/Aluminum Siding |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 19171 |
| Status | Active |
| State | South Carolina |
| Type | Home Builders |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 5239 |
| Status | Active |
| State | South Carolina |
| Type | Home Builders |
- When BuildZoom last verified this license, it had an expiration date of June, 2006. Check the current license status of Keystone Construction with the South Carolina Contractor's Licensing Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 26189 |
| Status | Active |
| State | South Carolina |
| Type | Bond On File,Carpentry,Roofing |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Keystone Construction at the South Carolina Contractor's Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 45643 |
| Status | Active |
| State | South Carolina |
| Type | Carpentry,Drywall Install/Repair |
- BuildZoom has not verified this license since January, 2010.
Verify this license's status for Keystone Construction at the South Carolina Contractor's Licensing Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
703
Permits
- Building permit records show that Keystone Construction has worked on 703 permitted projects.
Keystone Construction Employees
CH
Clifford Hespenheide
Owner
CB
Clinton Brown
Owner
MG
Mark L Gilliam
Owner
SN
Susan Nussler
Owner
TH
Thomas Higerd
Owner