Updated: May 31, 2026
Location and Projects
Address
Dunkirk, MD, 20754
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Ralph Paul Sita HVAC/Mechanical Contractor
Ralph Paul Sita, Dunkirk, MD (Employee: Ralph P. Sita) holds a Hvacr license and 5 other licenses according to the Delaware license board.
Their BuildZoom score of 106 ranks in the top 7% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ralph Paul Sita, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ralph Paul Sita Contact Information
Phone Number: (301) 855-9387
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Ralph Paul Sita Dunkirk
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ralph Paul Sita has a BuildZoom score of 106, which places them above 93% of 58,058 contractors in Maryland.
Activity
|
12 projects
|
2025 |
|
8 projects
|
2024 |
|
13 projects
|
2023 |
Our building permit records indicate that Ralph Paul Sita has worked on at least
33.0 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
|
31 projects
|
HVAC projects |
|
28 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Ralph Paul Sita mostly works on
hvac project
and mechanical project
projects.
Pricing
|
5 projects
|
< $5k |
|
14 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $12,650. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install (1) 3 ton heat pump (1) 3 ton air handler (1) 10 kw electric heater all supply and return ductwork (2) bathroom exhaust fans and associated ductwork
Valuation:
$15,000
Permit #:
M02227615
Status:
filed
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install two (2) 3-ton new heat pump split systems complete with all new supply and return ductwork and one (1) 2-ton heat pump split system complete with all new supply and return ductwork five (5) bathroom exhaust fans and associated ductwork and two (2) laundry vents
Valuation:
$39,500
Permit #:
M02213190
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Residential hvac addition alteration permit
2024-03-01
1.) move one (1) 5 supply line by back door. 2.) move one (1) 5 supply line in dining room. 3.) remove all old return wall stack duct and patched old holes. 4.) install new 12x24 return in return duct trunk riser. 5.) addition one (1) new 4 supply line to 1st floor bathroom (10x4). 6.) addition one (1) new 4 wall stack supply to hall bathroom. 7.) addition one (1) new 4 wall stack sup... see more
Valuation:
N/A
Permit #:
M24000256
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install (1) 2 ton heat pump (1) 2 ton air handler (1) 7.5 kw electric heater and all ductwork for attic system. install (1) 2 ton heat pump (1) 2 ton air handler (1) 7.5 kw electric heater and all ductwork for a basement system. (3) exhaust fans and (1) dryer vent
Valuation:
$17,100
Permit #:
M02209013
Status:
complete
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
Relocation of thermostats after interior renovations addition of minimal flex duct and addition of new registers and grilles for office and bathroom (comm-210273)
Valuation:
$400,000
Permit #:
MECH-221322
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) 2 ton air handler 2 ton heat pump 5 kw electric heater all supply and return ductwork (1) bathroom exhaust fan and associated ductwork one (1) kitchen exhaust
Valuation:
$10,000
Permit #:
M02229918
Status:
filed
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Install (1) 3-ton 16 seer r-410a air conditioning condensing unit (1) 92% afue 80 000 btuh single stage ecm multi-poise gas furnace (1) 3-ton cased evaporator coil all supply and return ductwork all piping all low voltage wiring all control wiring. fire damage
Valuation:
N/A
Permit #:
M22000878
Status:
complete
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Demolish two (2) supply lines to upstairs and relocated one (1) supply register. relocated two (2) supply registers in master bedroom. install kitchen exhaust. re-locate bathroom exhaust fan
Valuation:
$1,300
Permit #:
M02211807
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Addition five (5) supply duct lines one (1) return duct and one (1) bathroom exhaust fan to basement
Valuation:
N/A
Permit #:
M25000030
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Remove and dispose of existing supply and return ductwork. install new supply and return ductwork registers and grilles. install exhaust fan and associated ductwork
Valuation:
$36,050
Permit #:
M02213997
Status:
complete
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
Replacement of existing heat pump system with new 2 ton heat pump 2 ton air handler 10 kw electric heater and 15 of new return ductwork installation of new 2 ton heat pump 2 ton air handler 10 kw electric heater all supply and return ductwork and two (2) bathroom exhaust fans
Valuation:
$10,000
Permit #:
M02230309
Status:
filed
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Install mechanical equipment for resd-230620. 1.) install three (3) 6 supply lines in basement bedroom and living room. 2.) install one (1) 8 low basement return duct. 3.) install all supply registers and return grilles
Valuation:
N/A
Permit #:
MECH-231060
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install one (1) 2-ton heat pump split system all supply and return ductwork and one (1) bathroom exhaust fan and associated ductwork
Valuation:
$14,800
Permit #:
M02228804
Status:
complete
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Install (1) 3 ton mini split heat pump system. install (1) 2 ton heat pump (1) 2 ton air handler (1) 8kw heater supply and return ductwork and (1) bathroom exhaust fan
Valuation:
$13,000
Permit #:
M02223559
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install new 3-ton air conditioning and furnace system complete with all new ductwork. two (2) bathroom exhaust fans and associated ductwork and two (2) laundry vents
Valuation:
N/A
Permit #:
M02220003
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install (1) 3.5 ton heat pump (1) 3.5 ton air handler (1) 10 kw heat package all supply and return ductwork (1) bathroom exhaust fans and (1) dryer vent
Valuation:
$16,500
Permit #:
M02223357
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install (1) 2.5 ton heat pump (1) 2.5 ton air handler 8kw heat package all supply and return ductwork all bathroom exhaust fans and (1) dryer vent
Valuation:
$16,500
Permit #:
M02222763
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Installation of one (1) 3 ton heat pump one (1) 3 ton air handler 10 kw electric heat all supply and return ductwork two (2) bathroom exhaust fans and one (1) dryer vent. (resd-221028)
Valuation:
N/A
Permit #:
MECH-221603
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new 3 ton heat pump system all supply and return ductwork two (2) bathroom exhaust fans and one (1) dryer vent (resd-240132/bcv-240130)
Valuation:
N/A
Permit #:
MECH-240282
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) 3.5 ton heat pump (1) 3.5 ton air handler 15 kw electric heater all wiring all piping all supply and return ductwork all exhaust fans and associated ductwork
Valuation:
$17,900
Permit #:
M02211105
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ralph Paul Sita License info
Verified License
| License # | HM-0001060 |
| Status | Active |
| State | Delaware |
| Type | Hvacr |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ralph Paul Sita at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2444 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ralph Paul Sita at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2701033626 |
| Status | Active |
| State | Virginia |
| Type | Heating Ventilation And Air Conditioning (Hva) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ralph Paul Sita at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2164 |
| Status | Active |
| City | Annapolis |
| Type | Mech Cont, Master |
- When BuildZoom last verified this license, it had an expiration date of September, 2013. Check the current license status of Ralph Paul Sita with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2018600991 |
| Status | Inactive |
| State | New Castle County |
| Type | Non Resident Contractor |
- 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 Ralph Paul Sita 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.
Inactive License
| License # | CON-2164 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech Cont |
- 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 Ralph Paul Sita at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
114
Permits
- Building permit records show that Ralph Paul Sita has worked on 114 permitted projects.
Ralph Paul Sita Employees
RS
Ralph P. Sita
Applicant
RS
Ralph Paul Sita
Owner