Updated: Feb 06, 2026
Location and Projects
Address
533 Fern Rd, Riva, MD, 21140
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Maximus Heating & Cooling of Md, LLC
Their BuildZoom score of 0 does not rank in the top 50% of Maryland contractors.
If you are thinking of hiring Maximus Heating & Cooling of Md, LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Maximus Heating & Cooling of Md, LLC Services
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Maximus Heating & Cooling of Md, LLC Contact Information
Phone Number: (410) 224-5686
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Address: 533 Fern Rd, Riva, MD 21140
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Maximus Heating & Cooling of Md, LLC Riva
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Maximus Heating & Cooling of Md, LLC, click “This is My Business” to update your information.
Activity
|
4 projects
|
2025 |
|
6 projects
|
2023 |
Our building permit records indicate that Maximus Heating & Cooling of Md, LLC has worked on at least
10.0 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
|
10 projects
|
Mechanical projects |
|
10 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Maximus Heating & Cooling of Md, LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
4 projects
|
$5k-$20k |
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 Maximus Heating & Cooling of Md, LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Change airhandler to cieling to floor. extend existing supply vents. addition 1 bathroom fan and vent
Valuation:
$5,500
Permit #:
M02226984
Status:
complete
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Complete heating and cooling with ductwork heating to be propane gas with air conditioning
Valuation:
$12,000
Permit #:
M02227228
Status:
filed
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Install new ducted mini s split system to heat and cool new addition
Valuation:
$10,000
Permit #:
M02226115
Status:
filed
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Install 2 new complete heat pump systems with air conditioning complete duct work 1 ductless mini-split for porch area
Valuation:
N/A
Permit #:
M02213237
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning replace oil heat with gas system place air conditioning addition two zone mini split supplement heating and cooling
Valuation:
N/A
Permit #:
M02207800
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Install new gas unit for addition with air conditioning and duct work replace existing furnace 1st floor 90%
Valuation:
$10,000
Permit #:
M02209123
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning 2 complete heat pump with duct work and install fl u for gas fireplace
Valuation:
N/A
Permit #:
M02204522
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning addition additional air conditioning and heat to 2 rooms. exhaust ho od for microwave. 1 bathroom fan
Valuation:
N/A
Permit #:
M02202748
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Heating and cooling for addition heat pump ducted. addition new heat pump to 2nd floor ducted
Valuation:
N/A
Permit #:
M02211789
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning remove oil furnace and replace with heatpump and d uct work
Valuation:
N/A
Permit #:
M02205694
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning addition new gas furnace to addition and kitchen
Valuation:
N/A
Permit #:
M02206421
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning install new duct work , heatpump unit and nonduct ed mini for basement area
Valuation:
N/A
Permit #:
M02206356
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Replace existing flex supply and return registers. no equipment. duct only
Valuation:
$4,500
Permit #:
M02212697
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning up grading existing heating and cooling extend duc t to new addition area
Valuation:
N/A
Permit #:
M02206410
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install single zone mini split no duct work
Valuation:
N/A
Permit #:
M02212534
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install one single zone mini split no duct work
Valuation:
N/A
Permit #:
M02212521
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning install 2 indoor nonducted mini split w one outdo or unit heatpump
Valuation:
N/A
Permit #:
M02206408
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning replace all duct work and units
Valuation:
N/A
Permit #:
M02207799
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Duct work only extend existing returns and supply to new floor la y out
Valuation:
N/A
Permit #:
M02207513
Status:
complete
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning adding mini split to 3 season room air conditioning heat
Valuation:
$11,000
Permit #:
M02205829
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
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Maximus Heating & Cooling of Md, LLC Reviews
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Maximus Heating & Cooling of Md, LLC License info
License Not Verified
| License # | PA117559 |
| Status | Active |
| State | Pennsylvania |
| Type | Full service, installation, repair, sales of full HVACR systems to include gas furnaces, oil furnaces, heat pumps, boilers and AC units. Sheet metal work to include duct work. |
- When BuildZoom last verified this license, it had an expiration date of June, 2017. Check the current license status of Maximus Heating & Cooling of Md, LLC with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2015600632 |
| Status | Inactive |
| State | New Castle County |
| Type | Contractor Non Resident |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Maximus Heating & Cooling of Md, LLC at the State of Delaware Department of Finance: Division of Revenue.
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 Maximus Heating & Cooling of Md, LLC, click “This is My Business” to update your information.
Insured
| Insurer | Main Street America |
| Insured up to | $1,000,000 |
526
Permits
- Building permit records show that Maximus Heating & Cooling of Md, LLC has worked on 526 permitted projects.
Maximus Heating & Cooling of Md, LLC Employees
MJ
Michael D. Johnson
Owner