Updated: Dec 29, 2025
Location and Projects
Address
Annapolis, MD, 21409
Use our bidding system to
request a quote
J&j Mechanical
J&j Mechanical at MD 21409, held a HVAC/Mechanical Contractor license (#CON-4719) with the Annapolis contractors license board with an expiration date of 05-28-2023. We last verified the license was expired on 06-11-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 58,058 Maryland contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
J&j Mechanical Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
J&j Mechanical
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are J&j Mechanical, click “This is My Business” to update your information.
Activity
|
6 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that J&j Mechanical has worked on at least
7.0 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
|
3 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that J&j Mechanical mostly works on
hvac project
projects.
Pricing
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential plumbing addition alteration permit
2025-03-20
Single family dwelling 1-lav 1-water closet 1-wet bar 1-electric water heater/**6.5.25 amendment request to addition 1-laundry box (no tray)**
Valuation:
N/A
Permit #:
P25001171
Status:
issued
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Sfd/re-pipe second floor bathroom (1-toilet 2 lavies 1 tub 1 shower)
Valuation:
N/A
Permit #:
P25002359
Status:
expired
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
New hood & duct installation
Valuation:
N/A
Permit #:
FIRE21-0339
Status:
final
Fee:
$3,668
Permit Type:
Existing building
Building Type:
N/A
New air conditioning heating refrigeration ductwork
Valuation:
N/A
Permit #:
MEC21-0639
Status:
final
Fee:
$2,950
Permit Type:
Existing building...
Building Type:
N/A
New hood & duct installation
Valuation:
N/A
Permit #:
FIRE22-0002
Status:
final
Fee:
$1,950
Permit Type:
New building
Building Type:
N/A
Alter existing nfpa 13 system
Valuation:
N/A
Permit #:
FIRE22-0007
Status:
filed
Fee:
N/A
Permit Type:
Existing building...
Building Type:
N/A
Residential plumbing addition alteration permit
2025-12-29
Single family dwelling finish portion of the basement install 1-lav 1-water closet 1-laundry tray 1-wet bar
Valuation:
N/A
Permit #:
P25005272
Status:
issued
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
2025-11-17
Single family dwelling adding plumbing fixtures an repiping existing fixtures - 2-bathtubs 2-showers 4-lavs 3-water closets 1-kitchen sink 1-washing machine connection 1-dishwasher 2-laundry trays 1-disposal 1-icemaker 2-pot fillers 1-propane fireplace
Valuation:
N/A
Permit #:
P25004737
Status:
issued
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Commercial hvac addition alteration permit
2025-10-28
Suite 650/ellie mental health • relocate two (2) vav boxes tagged v- and v-6. • furnish and install all air devices and accessories as shown on drawings. • utilize existing ductwork new duct shown as point of connection. • furnish and install galvanized rectangular round ductwork with required insulation and accessories. • furnish and install all transfer ducts with required fire dampers
Valuation:
N/A
Permit #:
M25001597
Status:
complete
Fee:
$527
Permit Type:
N/A
Building Type:
N/A
• furnish and install one split system tagged fcu hp-1 • furnish and install all refrigerant piping with required insulation • furnish and install all condensate lines within 5 ft. of units • furnish and install all air devices and accessories as shown on drawings • furnish and install galvanized rectangular round ductwork with required insulation and accessories • furnish and install... see more
Valuation:
$34,000
Permit #:
M02230779
Status:
filed
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
122
BZ Score
$300K
Avg Project
-
Projects
117
BZ Score
-
Avg Project
-
Projects
License # 100269
Gaithersburg, MD
120
BZ Score
-
Avg Project
-
Projects
J&j Mechanical Reviews
BuildZoom hasn't received any reviews for J&j Mechanical. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
J&j Mechanical License info
Inactive License
| License # | CON-4719 |
| Status | Inactive |
| City | Annapolis |
| Type | Contractor |
- According to the The City of Annapolis, MD, 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 J&j Mechanical at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are J&j Mechanical, click “This is My Business” to update your information.
8
Permits
- Building permit records show that J&j Mechanical has worked on 8 permitted projects.