Updated: Dec 26, 2025
Location and Projects
Address
3018 Gatehouse Court, Olney, MD, 20832
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Cool Land Tech Construction
Their BuildZoom score of 0 does not rank in the top 50% of Maryland contractors.
If you are thinking of hiring Cool Land Tech Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cool Land Tech Inc Services
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Cool Land Tech Inc Contact Information
Phone Number: (301) 774-4567
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Address: 3018 Gatehouse Court, Onley, MD 20832
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing old natural gas water heater with new one
Valuation:
N/A
Permit #:
P25000559
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2020-08-24
Nov install plumbing fixtures on second floor 1-jacuzzi tub 1-shower 1-lav 1-water closet (see cb200690)
Valuation:
N/A
Permit #:
P20003451
Status:
complete
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Troy farm liquors interior alterations to include expanding existing store into empty space
Valuation:
N/A
Permit #:
B17003774
Status:
complete
Fee:
$813
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2020-09-17
Nov single family dwelling interior alterations to 2nd floor full bathroom -non-bearing walls replace plumbing fixtures approximately 88 sq ft (see cb200689)
Valuation:
N/A
Permit #:
B20003043
Status:
complete
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition install hvac system energy prescriptive method
Valuation:
N/A
Permit #:
M15000213
Status:
complete
Fee:
$182
Permit Type:
N/A
Building Type:
N/A
Relocation of hvac unit
Valuation:
$1,200
Permit #:
MECH-8343-2015
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling replace hvac system
Valuation:
N/A
Permit #:
M13000378
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
The water heater in this house was replaced before but the county office has no record of it so we're applying for a permit.please also inspect the gas pipes for the water heater and gas furnace
Valuation:
N/A
Permit #:
P25003594
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Residential interior alteration single family dwelling permit
2013-02-21
Single family dwelling addition five (5) new windows and replace fourteen (14) existing windows (approximately 300 sq. ft. total)
Valuation:
N/A
Permit #:
B13000565
Status:
expired
Fee:
$53
Permit Type:
N/A
Building Type:
N/A
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Cool Land Tech Inc License info
License Not Verified
| License # | 129521 |
| Status | Active |
| State | Maryland |
| Type | Contractor (Corppart) Home Improvement |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Cool Land Tech Inc with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 103791 |
| Status | Inactive |
| State | Maryland |
| Type | Home Improvement |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Cool Land Tech Inc at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F179784-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- 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 Cool Land Tech Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
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7
Permits
- Building permit records show that Cool Land Tech Inc has worked on 7 permitted projects.
Cool Land Tech Inc Employees
BN
Byeongyeol Na
CI
Cool Land Tech Inc
Owner