Updated: Jun 16, 2026
Location and Projects
Address
21730 RED RUM DR, Ashburn, VA, 20147
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Modern Mechanical LLC
Modern Mechanical LLC, 21730 Red Rum Dr, Ashburn, VA (Owned by: Shawn Mitchell) holds a Alternative Energy Systems (Aes), Plumbing (Plb), Electrical (Ele), Home Improvement (Hic), Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva) license and 1 other license according to the Virginia license board.
Their BuildZoom score of 107 ranks in the top 6% of 131,387 Virginia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Modern Mechanical LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Modern Mechanical LLC Contact Information
Phone Number: (703) 878-1110
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Address: 21730 RED RUM DR, Ashburn, VA 20147
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Modern Mechanical LLC Ashburn
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Modern Mechanical LLC has a BuildZoom score of 107, which places them above 94% of 131,387 contractors in Virginia.
Activity
|
9 projects
|
2025 |
|
6 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Modern Mechanical LLC has worked on at least
26.0 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
|
20 projects
|
HVAC projects |
|
8 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Modern Mechanical LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
7 projects
|
< $5k |
|
18 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,410. 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 Modern Mechanical LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing 3 ton air conditioning and 70k btu gas furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$11,832
Permit #:
MEC2025-00348
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 70k btu gas furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$6,134
Permit #:
GAS2025-00147
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 90k btu gas furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
$4,600
Permit #:
GAS2025-00671
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 70k btu gas furnace provide a copy of the manufacturer's specifications on site at the time of inspection
Valuation:
N/A
Permit #:
GAS2025-00609
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 40 gal gas water heater exact replacement like for like manufacture specifications required at site
Valuation:
$3,329
Permit #:
GAS2025-00075
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 2 ton air conditioning (ac only) exact replacement exact location manufactures specifications required on site
Valuation:
$8,280
Permit #:
MEC2024-00394
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
11901 Democracy Dr, Reston, VA
2020-12-17
Relocate existing exhaust on exterior wall for connection to existing interior (no change) dishwasher and toilet exhaust. the exhaust will be raised 3 higher to comply with the 10 above grade regulation. the relocation adds 3 of new connecting exterior duct with round duct straps for support. there is no interior work within the scope of this application
Valuation:
$3,500
Permit #:
203520151
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Restaurant/carry out
1 gas pipe; 1 furnace; 1 gas water heater ** remediation of foundation wall with application of carbon fiber strap system. per revision cfrp (cabron fiber) is no longer used in the strengthening of foundation wall. steel struts are used now. county inspection for struts and connections. (no special inspections)
Valuation:
$1,200
Permit #:
P2000951
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing gas furnace and air conditioning and 50 gallon gas water heater in basment
Valuation:
$22,860
Permit #:
LTD2023-02253
Status:
withdrawn
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Goodman 14 seer 3 tonac goodman 80k btu 2 stage variable speedgas furnace, goodman mgsx140361 single stage air conditioning goodman mgmvc80803bn 2 stage variablespeed gas furnace 3 ton matching evap coil
Valuation:
$8,900
Permit #:
201900237
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Townhouses
Replace 50 gallon water heater - direct replacement like for like
Valuation:
$5,600
Permit #:
GAS2023-01253
Status:
withdrawn
Fee:
$164
Permit Type:
N/A
Building Type:
N/A
Install new bradford white 50 gallon natural gas power direct vent water heater with expansion tank drain pan new shut off valve on cold inlet and new shut off valves and 3/4¿ check valves on both supply and return line to heat exchanger repipe supply return hot and cold water lines re-pipe intake and exhaust vents to accommodate new water heater
Valuation:
$4,000
Permit #:
193230125
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Townhouses
Exact replacement of 2-45k btu furnaces and 2-2ton ac's no change in location
Valuation:
$24,134
Permit #:
MEC2024-00650
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
946 Seneca Rd, Great Falls, VA
2021-04-01
Direct replacement of 3 hvac systems: 80k btu gf/3t air conditioning 5t hp/5t ah 100k btu gf/4t air conditioning
Valuation:
$32,750
Permit #:
210910015
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
Replacing 45k btu furnace and 2 ton ac/coil
Valuation:
$10,959
Permit #:
MEC2024-00526
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*email permit status* replacing gas furnace and air conditioning with humidifier
Valuation:
$12,000
Permit #:
LTD2023-01431
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing gas furnace and air conditioning
Valuation:
$15,752
Permit #:
LTD2023-02152
Status:
withdrawn
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Replacing gas furnace and air conditioning
Valuation:
$19,752
Permit #:
LTD2023-01430
Status:
final
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Replacing gas furnace and air conditioning
Valuation:
$12,490
Permit #:
LTD2023-02986
Status:
withdrawn
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Direct replacement of air conditioning unit and gas furnace.sbt//rolled back to residence mechanical on 3/28/18/web permit//amend to addition the replacement of gas water heater and run gas line from the meter and stubbing it for a future gas fireplace/stove/jh/3-28-18
Valuation:
$1
Permit #:
180820218
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family dwe...
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Modern Mechanical LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Modern Mechanical LLC License info
Verified License
| License # | 2705134143 |
| Status | Active |
| State | Virginia |
| Type | Alternative Energy Systems (Aes), Plumbing (Plb), Electrical (Ele), Home Improvement (Hic), Gas Fitting (Gfc), Heating Ventilation And Air Conditioning (Hva) |
| Business Type | Llc |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Modern Mechanical LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 2705134143 |
| Status | Unable To Verify |
| County | Spotsylvania County |
| Type | Contractor |
| Business Type | Llc |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
362
Permits
- Building permit records show that Modern Mechanical LLC has worked on 362 permitted projects.
Modern Mechanical LLC Employees
SM
Shawn Mitchell
Owner