Updated: Jul 23, 2026
Location and Projects
Address
4157 MOUNTAIN ROAD PMB 264, Pasadena, MD, 21122
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Callahan Improvements
Callahan Improvements, 4157 Mountain Rd, Pasadena, MD (Employee: Michael Callahan) holds a Home Improvement license according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Callahan Improvements, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Callahan Improvements Services
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Callahan Improvements Contact Information
Address: 4157 MOUNTAIN ROAD PMB 264, Pasadena, MD 21122
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Callahan Improvements Pasadena
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Callahan Improvements has a BuildZoom score of 90, which places them above 47% of 58,058 contractors in Maryland.
Activity
|
1 project
|
2025 |
|
3 projects
|
2023 |
Our building permit records indicate that Callahan Improvements has worked on at least
4.0 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
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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 Callahan Improvements
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish deck; construct irreg shaped deck w steps to grade
Valuation:
$32,000
Permit #:
B02418557
Status:
filed
Fee:
$214
Permit Type:
N/A
Building Type:
N/A
Remove existing deck; construct new deck w steps
Valuation:
$12,000
Permit #:
B02439803
Status:
complete
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Remove existing and construct new deck
Valuation:
$8,418
Permit #:
B02418171
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Construct deck
Valuation:
$5,200
Permit #:
B02418558
Status:
complete
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
Residential single family dwelling (new addition alteration demolition accessory dwelling unit) perm
2023-06-09
Construct deck
Valuation:
$12,900
Permit #:
B02417353
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Construct a 24x24 1-story detached garage
Valuation:
$22,968
Permit #:
B02196472
Status:
complete
Fee:
$140
Permit Type:
Addition
Building Type:
Residential garage
Construct a 28x24 irregular shaped deck
Valuation:
$7,200
Permit #:
B02200844
Status:
complete
Fee:
$95
Permit Type:
Addition
Building Type:
Deck
18'x20 irregular shaped deck w/steps
Valuation:
$7,200
Permit #:
B02194735
Status:
complete
Fee:
$95
Permit Type:
Addition
Building Type:
Deck
Deck w/steps & french door
Valuation:
$3,500
Permit #:
1996229B0320
Status:
Issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
B8901719
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Callahan Improvements Reviews
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Verified License
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Callahan Improvements License info
Verified License
| License # | 82670 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Callahan Improvements at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
9
Permits
- Building permit records show that Callahan Improvements has worked on 9 permitted projects.
Callahan Improvements Employees
MC
Michael Callahan