Updated: May 15, 2026
Location and Projects
Address
13500 CRISPIN WAY, Rockville, MD, 20853
Use our bidding system to
request a quote
Karl Construction Corp
Karl Construction Corp, 13500 Crispin Way, Rockville, MD (Owned by: Billy Karl Boone Jr) holds a Home Improvement license and 3 other licenses according to the Maryland license board.
Their BuildZoom score of 94 ranks in the top 24% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karl Construction Corp, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Karl Construction Corp Services
Start a project today:
Karl Construction Corp Contact Information
Phone Number: (703) 929-5888
Edit
Address: 13500 CRISPIN WAY, Rockville, MD 20853
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Karl Construction Corp Rockville
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Karl Construction Corp has a BuildZoom score of 94, which places them above 76% of 58,058 contractors in Maryland.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Karl Construction Corp has worked on at least
2.0 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-$20k |
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 Karl Construction Corp
This is a sample of this contractor's permits. Click here to access their complete permit history.
Suite g petwell clinic interior alteration for a new pet wellness clinic hvac electrical and plumbing alterations. no boarding surgical or xray procedures
Valuation:
N/A
Permit #:
B23001139
Status:
complete
Fee:
$518
Permit Type:
N/A
Building Type:
N/A
*suite b-2307 forest dr* new tenant for 3384 sf child development/gym trianing center
Valuation:
$200,000
Permit #:
B02393210
Status:
complete
Fee:
$1,390
Permit Type:
N/A
Building Type:
N/A
Single family dwelling 1 story detached garage 3 car energy code prescriptive method **1.10.19 revised plot plan lod setback shiown exist. shed to be demolished shown garage shown as existing as requested by dpz**
Valuation:
N/A
Permit #:
B19000032
Status:
complete
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Construct portico over existing front steps
Valuation:
$7,250
Permit #:
B02431760
Status:
complete
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2019-10-03
Single family dwelling 1 story addition on crawl space interior alterations to convert garage into a 2r 1gb 1hb 1br energy code prescriptive method
Valuation:
N/A
Permit #:
B19002052
Status:
complete
Fee:
$87
Permit Type:
N/A
Building Type:
N/A
Residential single family dwelling (new addition alteration demolition accessory dwelling unit) perm
2020-11-23
Construct porch roof over existing concrete patio
Valuation:
$25,000
Permit #:
B02389854
Status:
complete
Fee:
$182
Permit Type:
N/A
Building Type:
N/A
Commercial building improvement/renovation - interior fit up
2014-07-23
Interior alterations for tenant fit out; permit includes building electrical and mechanical/hvac work as shown on city stamped plans. reference use & occupancy permit cmis-4353-2013
Valuation:
$200,000
Permit #:
CIMP-4089-2013
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Suite #j kidstrong interior alterations for new children's gym
Valuation:
N/A
Permit #:
B21004973
Status:
complete
Fee:
$1,429
Permit Type:
N/A
Building Type:
N/A
Ste. 700 orange theory fitness interior alteration
Valuation:
N/A
Permit #:
B17003723
Status:
complete
Fee:
$1,133
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
141
BZ Score
$8.5K
Avg Project
-
Projects
142
BZ Score
-
Avg Project
-
Projects
176
BZ Score
$20K
Avg Project
-
Projects
Karl Construction Corp Reviews
BuildZoom hasn't received any reviews for Karl Construction Corp. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Karl Construction Corp License info
Verified License
| License # | 32621 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karl Construction Corp at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2705023262 |
| Status | Active |
| State | Virginia |
| Type | Residential Building (Rbc), Commercial Building (Cbc) |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karl Construction Corp at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F217961-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection 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 Karl Construction Corp at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LBP-F217961-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Lead Abatement, Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection 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 Karl Construction Corp at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
7
Permits
- Building permit records show that Karl Construction Corp has worked on 7 permitted projects.
Karl Construction Corp Employees
BJ
Billy Karl Boone Jr
Owner
BJ
Billy Karl Boone, Jr.