Updated: May 15, 2026
Location and Projects
Address
9710 Royal Crest Cir, Frederick, MD, 21704
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Cochrane Construction
Cochrane Construction, 9710 Royal Crest Cir, Frederick, MD (Owned by: John Cochrane) holds a Home Improvement license and 1 other license according to the Maryland license board.
Their BuildZoom score of 92 ranks in the top 32% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cochrane Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cochrane Construction Contact Information
Phone Number: (215) 839-4317
Address: 9710 Royal Crest Cir, Frederick, MD 21704
Building Permits by Cochrane Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition/alteration of part of single family dwelling to replace what was demolished under permit #187684. addition to include: master bedroom 2 bathrooms 2 closets powder room living room office new deck (4 x 16') and new covered porch (7 4 x 4 11") alteration to include: bathroom turning into bedroom
Valuation:
$150,000
Permit #:
187685
Status:
complete
Fee:
N/A
Permit Type:
Resuses
Building Type:
N/A
Demolition of partial structure. leaving the main house and removing the front porch and previous addition. new addition (to replace what is demolished) is under permit #187685
Valuation:
$5,000
Permit #:
187684
Status:
complete
Fee:
$177
Permit Type:
Demolition
Building Type:
N/A
Residential interior alteration townhouse permit
2020-06-25
Sfth finish basement to include: bedroom with closet full bathroom family room & unfinished storage room approximately 575 sq ft
Valuation:
N/A
Permit #:
B20001954
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Basement finish to include: rec room and full bathroom
Valuation:
$24,600
Permit #:
183900
Status:
complete
Fee:
N/A
Permit Type:
Resuses
Building Type:
N/A
Finished basement
Valuation:
$127,000
Permit #:
145251
Status:
complete
Fee:
$275
Permit Type:
Resuses
Building Type:
N/A
Partially finish an unfinished basement to include a recreation room and a bathroom
Valuation:
$35,000
Permit #:
411453
Status:
complete
Fee:
$305
Permit Type:
Resuses
Building Type:
N/A
Bump out on side of house to house a direct vent gas fireplace. bump out is 56"w 30"d & 72"h. this is only the framing. fireplace & venting to be done by others. plumbing for gas is permit 54120
Valuation:
$3,000
Permit #:
56842
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential building uses permit
Finish basement to be a rec room, wet bar, , bathroom, gym rooms not on grid: & gym
Valuation:
$30,000
Permit #:
116984
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential building uses permit
Finish basement & removing an egress and creating a walkout
Valuation:
$40,000
Permit #:
116986
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential building uses permit
Basement finish to include new laundry/personal office/library/bathroom/den; move existing column|revision 10/13/17 - bedroom to be den (lw)
Valuation:
$53,000
Permit #:
165641
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential building uses permit
Basement finish will include a personal office
Valuation:
$24,475
Permit #:
129267
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential interior alteration single family dwelling permit
2018-03-13
Single family dwelling finish basement to include: recreation room 2 closets & unfnished storage/utility room approximately 400 sq ft
Valuation:
N/A
Permit #:
B18000543
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Existing garage - 2 opening to 1 garage door opening
Valuation:
$4,000
Permit #:
202589
Status:
complete
Fee:
$195
Permit Type:
Resuses
Building Type:
N/A
Finished basement for rec room and full bathroom
Valuation:
$40,000
Permit #:
RB-22-0135
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Residential building uses permit
860 sq.ft. concrete patio with 240 sq.ft.under roof; setbacks are porch roof to property
Valuation:
$8,000
Permit #:
94446
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
Single family dwe...
Removing dividing wall & door in bathroom to enlarge bathroom
Valuation:
$10,000
Permit #:
98048
Status:
Complete
Fee:
$80
Permit Type:
Alteration
Building Type:
Single family dwe...
Residential interior alteration single family dwelling permit
2018-05-15
Single family dwelling addition office to existing partially finished basement approximately 125 sq ft
Valuation:
N/A
Permit #:
B18001629
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Residential building uses permit
Covered porch over raised paver patio
Valuation:
$19,000
Permit #:
99226
Status:
issued
Fee:
N/A
Permit Type:
Addition
Building Type:
Single family dwe...
Demolition of dwelling and 2 sheds on property. seperate permits required to rebuild
Valuation:
$12,000
Permit #:
82259
Status:
complete
Fee:
$195
Permit Type:
Demolition
Building Type:
N/A
5x10 front porch on an existing slab
Valuation:
$3,000
Permit #:
88874
Status:
Complete
Fee:
$172
Permit Type:
Addition
Building Type:
Single family dwe...
Cochrane Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cochrane Construction License info
Verified License
| License # | 89093 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cochrane Construction 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 # | PA89093 |
| Status | Inactive |
| State | Pennsylvania |
| Type | Contractor |
- According to the Pennsylvania Office of the Attorney General, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Cochrane Construction at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
20
Permits
- Building permit records show that Cochrane Construction has worked on 20 permitted projects.
Cochrane Construction Employees
JC
John Cochrane
Owner