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Location and Projects

Address
4 Nashua Ct, Essex, MD, 21221
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Sm Mechanical

Sm Mechanical, 4 Nashua Ct, Essex, MD (Owned by: Marvin Harris) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 5 other licenses according to the Maryland license board.

Their BuildZoom score of 109 ranks in the top 5% of 58,058 Maryland licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Sm Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

Sm Mechanical Contact Information

Phone: (410) 365-5013
Address: 4 Nashua Ct, Essex, MD 21221

Sm Mechanical Essex

Quality

109
95th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Sm Mechanical has a BuildZoom score of 109, which places them above 95% of 58,058 contractors in Maryland.

Activity

7 projects
 2025
5 projects
 2024
7 projects
 2023
4 projects
 2022
Our building permit records indicate that Sm Mechanical has worked on at least 23.0 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.

Experience

3 projects
 Home Additions
3 projects
 New Constructions
14 projects
 HVAC projects
6 projects
 Mechanical projects
Analyzing permits over the last 4 years shows that Sm Mechanical mostly works on hvac project and mechanical project projects.

Pricing

1 project
 < $5k
6 projects
 $5k-$20k
2 projects
 $20k-$50k
Value Not Public: 15.0 projects
The typical size of their permits is approximately $10,153. This graph shows the distribution of these job values.
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 Sm Mechanical

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

One and two family combo permit
1618 E Biddle St, Baltimore, MD, 21213
2025-07-29
To install new 125k btu 90+ gas furnace with 4 ton air conditioning system with all new ductwork throughout house to rough in waste and water for 3 full baths laundry and kitchen to install new 55gal electric water heater to install new water service
Valuation:
N/A
Permit #:
BRCM-25-013052
Status:
complete
Fee:
$220
Permit Type:
Interior trades only
Building Type:
N/A
Residential hvac addition alteration permit
5002 Centaurus Ct, Dayton, MD, 21036
2023-06-22
To install new 2 ton heat pump system in attic with full duct work rheem model numbers: - outdoor heat pump: rp15az24aj2na - indoor air handler: rh2tz2417stannj to install 3 to 1 2 1/2 ton ductless mini split system in basement with 3 12000 btu cartridges carrier model numbers: - outdoor heat pump: 38mghbq30da3 - indoor fan coils: (3) 40mahbq06xa3 40mahbq12xa3
Valuation:
N/A
Permit #:
M23000661
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Residential hvac new permit
5002 Centaurus Ct, Dayton, MD, 21036
2023-06-09
-in the attic we will supply and install a new rheem endeavor 2 ton 15.2 seer2 heat pump system to cool heat and dehumidify the 2nd floor to include new vents return air handler and outdoor air conditioning unit. - new supply trunk ductwork will be ran off the air handler and will run parallel to the attic floor and will be supported with proper hardware. - supply duct lines will bran... see more
Valuation:
N/A
Permit #:
M23000608
Status:
canceled
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
3079 Mullineaux Ln, Ellicott City, MD, 21042
2023-04-18
To supply and install all new ductwork throughout home for dual zone heat pumps to supply and install new 3 ton heat pump in upstairs of the home to supply and install new 2.5 ton heat pump in main level of the home
Valuation:
N/A
Permit #:
M23000409
Status:
complete
Fee:
$388
Permit Type:
N/A
Building Type:
N/A
Residential new plumbing permit
6281 Cobbler Ct, Columbia, MD, 21045
2023-07-31
Moving 3/4 copper lines out of wall and reconnect to second floor kitchen sink and dishwasher is moving from one side of kitchen approx. 15 to the opposite wall. install new refrigerator line and ice maker line rough in new kitchen sink move second floor risers
Valuation:
N/A
Permit #:
P23003136
Status:
complete
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
6284 Montgomery Rd, Elkridge, MD, 21075
2022-11-02
Sfd/add2 story addition slab on grade & addition 2nd floor addition 4r 3fb 1hb ( 3br ) 2 car garage inter alter to existing house 2 story slab on grade 4r 3fb 1hb 0fp other structure = attached garage 3br porch/deck = n/a energy method = prescriptive method * whole house required to have automatic fire sprinkler system* *11.01.22 amendment request to only addition framing & rough in t... see more
Valuation:
N/A
Permit #:
B21003877
Status:
complete
Fee:
$7,041
Permit Type:
N/A
Building Type:
N/A
Residential single family dwelling permit
488 Derussey Dr, Severna Park, MD, 21146
2024-04-10
Construct front porch
Valuation:
$45,000
Permit #:
B02421658
Status:
filed
Fee:
$305
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
616 Cotterill Rd, Gibson Island, MD, 21056
2023-01-23
To install (1) 3.5 ton heat pump with 100, 000 btu 90+ furnace with full ductwork. to install (2) 2.5 ton heat pumps with 60, 000 btu 90+ furnace with full ductwork
Valuation:
$45,889
Permit #:
M02209077
Status:
complete
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
One and two family combo permit
902 Lyndhurst St, Baltimore, MD, 21229
2025-04-23
To install new 3/4 water main piping from main water connection inside house to city meter
Valuation:
N/A
Permit #:
BRCM-25-006330
Status:
payment due
Fee:
$52
Permit Type:
Exterior trades a...
Building Type:
N/A
Residential addition single family dwelling permit
10236 New Forest Ct, Ellicott City, MD, 21042
2022-04-25
Single family dwelling workshop addition with pull down stairs to attic 1 story slab on grade 1r 0fb 0hb 0fp other structure = none 0br porch/deck = n/a energy method = prescriptive method
Valuation:
N/A
Permit #:
B22001073
Status:
complete
Fee:
$2,917
Permit Type:
N/A
Building Type:
N/A
One and two family combo permit
3742 Tudor Arms Ave, Baltimore, MD, 21211
2025-07-29
To install 2- 1 1/2 ton heat pump ductless minisplit systems with 2 cartridges
Valuation:
$11,000
Permit #:
BRCM-25-012078
Status:
complete
Fee:
$230
Permit Type:
Interior trades only
Building Type:
N/A
Express plumbing permit
3009 John Bernard Dr, Ellicott City, MD, 21042
2022-10-04
To replace existing 50 gallon powervent gas water heater with a new 50 gallon gas power vent water heater in basement of home
Valuation:
N/A
Permit #:
P22004046
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
1183 Latrobe Dr, Annapolis, MD, 21409
2023-04-26
To install a new rheem 2 ton 16seer heat pump in place of existing oil furnace
Valuation:
$11,919
Permit #:
M02214686
Status:
filed
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
476 Maple Leaf Dr, Edgewater, MD, 21037
2025-02-20
Update duct work to code
Valuation:
N/A
Permit #:
M02224483
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Mechanical permit
2200 Somerville Rd, Annapolis, MD, 21401
2025-01-03
To install 19 supplies and 19 returns including ceiling diffusers and tie into existing ductwork
Valuation:
$2,500
Permit #:
M02224819
Status:
complete
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
Residential plumbing addition alteration permit
9421 Dunloggin Rd, Ellicott City, MD, 21042
2024-05-23
Sfd/run new water and waste piping to 1-new sink location in kitchen to run 1-new ice maker line
Valuation:
N/A
Permit #:
P24002080
Status:
complete
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
One and two family combo permit
3011 Orlando Ave, Parkville, MD, 21234
2025-09-02
To install new sewer line from house connection to city connection
Valuation:
$8,500
Permit #:
BRCM-25-016156
Status:
payment due
Fee:
$52
Permit Type:
Exterior trades a...
Building Type:
N/A
Residential new plumbing permit
9421 Dunloggin Rd, Ellicott City, MD, 21042
2024-05-22
To run new water and waste piping to new sink location in kitchen to run new ice maker line
Valuation:
N/A
Permit #:
P24002043
Status:
canceled
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
9421 Dunloggin Rd, Ellicott City, MD, 21042
2024-05-28
Move 1 first floor return into floor move 3 supplies into floor draft hood in kitchen
Valuation:
N/A
Permit #:
M24000567
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Residential hvac new permit
9421 Dunloggin Rd, Ellicott City, MD, 21042
2024-05-22
Move 1 first floor return into floor move 3 supplies into floor draft hood in kitchen
Valuation:
N/A
Permit #:
M24000548
Status:
canceled
Fee:
$94
Permit Type:
N/A
Building Type:
N/A

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