Updated: May 31, 2026
Location and Projects
Address
3606 Marmon Avenue, Gwynn Oak, MD, 21207
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Leon Alvin Peters Construction
Leon Alvin Peters, 3606 Marmon Ave, Gwynn Oak, MD (Owned by: Gary Robert Butson) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 3 other licenses according to the Maryland license board.
Their BuildZoom score of 101 ranks in the top 12% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Leon Alvin Peters, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Leon Alvin Peters Services
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Leon Alvin Peters Contact Information
Address: 3606 Marmon Avenue, Gwynn Oak, MD 21207
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Leon Alvin Peters Gwynn Oak
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Leon Alvin Peters has a BuildZoom score of 101, which places them above 88% of 58,058 contractors in Maryland.
Activity
|
26 projects
|
2025 |
Our building permit records indicate that Leon Alvin Peters has worked on at least
26.0 projects over the past year.
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
|
1 project
|
$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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical: install distribution ducts for one and two family dwelling install 3.0 tons air condensing unit electrical: install 200 amp service 20 branch circuits complete rewire of dwelling according to existing code (nfpa70) plumbing: reconstruct waste and water pipes install 13 plumbing fixtures gas: install 90%+ 90k btu furnace one gas range gas test
Valuation:
N/A
Permit #:
BRCM-25-008822
Status:
complete
Fee:
$440
Permit Type:
Interior trades only
Building Type:
N/A
Submitted to complete final inspections. all roughin inspections completed original permit record com2023-65578: nstall (15) # branch circuits/feeders (1) 200 amps electric service up to 600v (#amps) (1) 24000 btu air-con system heat pump (1) 72000 btu fuel-burning equip(furnace) (10) # plumbing fixtures (1) # water service pipe (reconstruction) (1) # sanitary connection (reconstructi... see more
Valuation:
N/A
Permit #:
BRCM-25-008798
Status:
complete
Fee:
$472
Permit Type:
Interior trades only
Building Type:
N/A
Submitting a new permit to try to help get things moving. record related to: com2024-74020. rough-in inspections already completed 1227 poplar grove install (15) # branch circuits/feeders (1) # new distribution system (1-2 family) (1) 80000 btu fuel-burning equip(furnace) (1) 40000 btu fuel-burning equip(hot water heater) (1) 36000 btu fuel-burning equip (1) 40000 btu fuel-burning equ... see more
Valuation:
N/A
Permit #:
BRCM-25-008783
Status:
complete
Fee:
$424
Permit Type:
Interior trades only
Building Type:
N/A
2513 francis st install (1) 200 amps electric service up to 600v (#amps) (18) # branch circuits/feeders (1) # new distribution system (1-2 family) (1) 36000 btu air-con system heat pump (1) 80000 btu fuel-burning equip (1) 40000 btu fuel-burning equip (hot water heater) as per code submitting a new permit for consideration. related records: com2024-70769 b-ext-25-01281. all roughins w... see more
Valuation:
N/A
Permit #:
BRCM-25-008301
Status:
complete
Fee:
$401
Permit Type:
Interior trades only
Building Type:
N/A
5216 florence ave several attempts have been made to extend this permit. related records: b-ext-25-01778 ba-con-25-0216 and b-ext-25-01312 to no avail. please help. all extensions were submitted prior to expiration of the original permit. all rough-in inspections were completed on the original permit change of contractor. reinstating com2024-86733 permit to allow for 30 days to final ... see more
Valuation:
N/A
Permit #:
BRCM-25-007798
Status:
withdrawn
Fee:
N/A
Permit Type:
Interior trades only
Building Type:
N/A
Install (18) # branch circuits/feeders (1) 200 amps electric service up to 600v (#amps) (1) btu air-con system heat pump (1) # electric water heater (15) # plumbing fixtures (1) # new distribution system (1-2 family) (1) # new distribution system (1-2 family) (1) # water service pipe (reconstruction) (1) # sanitary connection (reconstruction0 as per code
Valuation:
N/A
Permit #:
COM2024-88112
Status:
closed - void
Fee:
$396
Permit Type:
Other
Building Type:
N/A
Install shed; construct carport; demolish pool
Valuation:
$6,500
Permit #:
B02437305
Status:
triage
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Plumbing: reconstruct waste and water pipes install 8 plumbing fixtures electric: install 10 branch circuits to existing service mechanical: install distribution duct work for one two family install 3 ton heat pump
Valuation:
N/A
Permit #:
BRCM-25-004652
Status:
complete
Fee:
$230
Permit Type:
Interior trades only
Building Type:
N/A
3618 keswick (m p g): mechanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans gas: install 120k btu furnace one 40k btu water heater 40 gallons one 40k btu range (stove) one 40k btu dryer (laundry) gas test plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well per code
Valuation:
N/A
Permit #:
BRCM-25-018361
Status:
complete
Fee:
$419
Permit Type:
Interior trades only
Building Type:
N/A
716 n. monroe mechanical: and hvac install distribution ducts for one/two family dwelling install two bathroom exhaust vent fans install 3 tons air condition system electrical: one 200 amp electric service 20 branch circuits complete rewire plumbing: reconstruct waste and water pipes install 12 plumbing fixtures gas: install 90%+ gas furnace 80k btu one gas range 40k btu one 40 gallon... see more
Valuation:
N/A
Permit #:
BRCM-25-010896
Status:
complete
Fee:
$503
Permit Type:
Interior trades only
Building Type:
N/A
1504 holbrook (mpeg) mechanical permit and hvac: install distribution ducts for one/two family dwelling install two bathroom exhaust vent fans install 3 tons air condition system electrical permit: one 200 amp electric service 20 branch circuits complete rewire plumbing permit: reconstruct waste and water pipes install 12 plumbing fixtures gas permit: install 90%+ gas furnace 80k btu ... see more
Valuation:
N/A
Permit #:
BRCM-25-010892
Status:
complete
Fee:
$503
Permit Type:
Interior trades only
Building Type:
N/A
Mechanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans electrical: install new: 200 amps 120/240 volts service 30 branch circuits all new wiring through-out plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well gas: install 120k btu furnace one 40k btu water heater ... see more
Valuation:
N/A
Permit #:
BRCM-25-014564
Status:
payment due
Fee:
$619
Permit Type:
Interior alterati...
Building Type:
N/A
Mechanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans electrical: install new: 200 amps 120/240 volts service 30 branch circuits all new wiring through-out plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well gas: install 120k btu furnace one 40k btu water heater ... see more
Valuation:
N/A
Permit #:
BRCM-25-014561
Status:
payment due
Fee:
$587
Permit Type:
Interior alterati...
Building Type:
N/A
Mechanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans electrical: install new: 200 amps 120/240 volts service 30 branch circuits all new wiring through-out plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well gas: install 120k btu furnace one 40k btu water heater ... see more
Valuation:
N/A
Permit #:
BRCM-25-014560
Status:
payment due
Fee:
$619
Permit Type:
Interior alterati...
Building Type:
N/A
Echanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans electrical: install new: 200 amps 120/240 volts service 30 branch circuits all new wiring through-out plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well gas: install 120k btu furnace one 40k btu water heater 4... see more
Valuation:
N/A
Permit #:
BRCM-25-014554
Status:
payment due
Fee:
$619
Permit Type:
Interior trades only
Building Type:
N/A
Mechanical: install distribution duct work for one and two family install one 3.5 tons air condition unit install 3 bathroom fans electrical: install new: 200 amps 120/240 volts service 30 branch circuits all new wiring through-out plumbing: reconstruct water and waste pipes install 15 plumbing fixtures install one sump-pump well gas: install 120k btu furnace one 40k btu water heater ... see more
Valuation:
N/A
Permit #:
BRCM-25-014547
Status:
payment due
Fee:
$592
Permit Type:
Interior trades only
Building Type:
N/A
Mechanical: install one 3 tons air conditioning unit for the second floor alter distribution ducts to accommodate the new 3 tons air conditioning electrical replace all existing light fixtures with all new high efficiency led fixtures a total of 35 light fixtures replace 38 devices: switches and receptacles. no new wiring done plumbing: replace all plumbing fixtures in bathrooms and k... see more
Valuation:
N/A
Permit #:
BRCM-25-014546
Status:
complete
Fee:
$146
Permit Type:
Interior trades only
Building Type:
N/A
984 n franklintown rd 1 furnace 80 000 btus 1 stove 30 000 btus water heater 50 000 btus 1 hvac - 3 ton air conditioning unit 80 000 btus furnace ductwork
Valuation:
N/A
Permit #:
BRCM-25-014018
Status:
complete
Fee:
$178
Permit Type:
Interior trades only
Building Type:
N/A
This is a test
Valuation:
N/A
Permit #:
BRCM-25-002577
Status:
withdrawn
Fee:
N/A
Permit Type:
Interior alterati...
Building Type:
N/A
Residential electrical addition alteration permit
2018-05-04
Apartment. 201 huntington down apts. replace existing 100 amp panel 18 receptacles 6 switches 2 smoke detectors and 6 lighting outlets
Valuation:
N/A
Permit #:
E18001986
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Leon Alvin Peters License info
Verified License
| License # | 16458 |
| 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 Leon Alvin Peters 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 # | 9114 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Leon Alvin Peters at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Leon Alvin Peters at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 53, 16458 |
| Status | Active |
| State | Maryland |
| Type | Statewide Master Electrician Master Electrician, Limited License HVAC |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Leon Alvin Peters with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
50
Permits
- Building permit records show that Leon Alvin Peters has worked on 50 permitted projects.
Leon Alvin Peters Employees
AP
Alvin S. Peters
Owner
GB
Gary Robert Butson
Owner
LP
Leon Alvin Peters
Owner