Updated: Jun 09, 2026
Location and Projects
Address
20700 LOUDOUN COUNTY PARKWAY, #192, Ashburn, VA, 20147
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Backflow Technology Construction
Backflow Technology LLC, 20700 Loudoun County Pkwy, Ashburn, VA holds a Gen Contr Construction Mngr license and 2 other licenses according to the District of Columbia license board.
Their BuildZoom score of 92 ranks in the top 32% of 131,387 Virginia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Backflow Technology LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Backflow Technology LLC Services
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Backflow Technology LLC Contact Information
Phone Number: (703) 450-5898
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Address: 20700 LOUDOUN COUNTY PARKWAY, #192, Ashburn, VA 20147
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Building Permits by Backflow Technology LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Building Permit
9908 South Park Ci, Fairfax Station, VA
2022-04-06
Replaced an unapproved asse 1015 ( double check valve ) with new asse 1015. also replaced (3) asse 1015 ( double check valve ) with asse 1013 ( reduced pressure principle ) on supply to common area irrigation. all per fairfax county corrective work order
Valuation:
$1,000
Permit #:
220960114
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Recreation/swim p...
Building Permit
8010 Towers Crescent Dr, Vienna, VA
2021-11-15
Replaced (2) asse 1015 (double check assemblies ) with (2) asse 1013 (reduced pressure principle assemblies) both on supply to decorative fountains. one located in p-1 garage pump room. one in p-1 fountain pump room. per corrective work order from inspector billy carper ( cross connection ) on september14 2021
Valuation:
$900
Permit #:
213190373
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Replacing asse 1015 (double check valve) with asse 1013 (reduced pressure principle) backflow assembly on supply to irrigation. per ipc 2018 608.17.5
Valuation:
$900
Permit #:
221590174
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
14102 Sullyfield Ci, Chantilly, VA
2022-06-08
Replacing asse 1015 (double check valve) with asse 1013 (reduced pressure principle) backflow assembly on supply to irrigation. per ipc 2018 608.17.5
Valuation:
$900
Permit #:
221590177
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
8020 Towers Crescent Dr, Vienna, VA
2021-11-15
Installed asse 1013 reduced pressure principle on supply to irrigation system per ipc 608.16.5a & corrective action letter sent by inspector billy carper ( cross connection ) on september 14, 2021
Valuation:
$900
Permit #:
213190360
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
15100 Lee Hy, Centreville, VA
2022-03-07
Replaced asse 1015 (double check valve assembly) with new asse 1013 (reduced pressure principle) on supply to boiler make-up. per 2018 ipc 608.17.2
Valuation:
$1,000
Permit #:
220660094
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Church/synagogue/...
Building Permit
14200 Park Meadow Dr, Chantilly, VA
2022-01-12
Replaced asse 1015 ( double check assembly) with asse 1013 ( reduced pressure principle) on supply to irrigation system. per 2018 ipc 608.17.5
Valuation:
$1,000
Permit #:
220120139
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Replaced 1 wilkins model 950 (double check valve) with 1 wilkins 720a pressure vacuum breaker on supply to irrigation @ 4792 southland ave. replaced 1 1/2 wilkins model 950 (double check valve) with 1 1/2 wilkins 720a pressure vacuum breaker on supply to irrigation @ 4719 southland ave. work performed per a fairfax county correction letter issued jan.10 2020 by paul hickman combinat... see more
Valuation:
$1,400
Permit #:
201180246
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Apartment/multi-f...
Building Permit
12750 Fair Lakes Ci, Fairfax, VA
2022-08-16
Replaced an asse 1015 (double check valve assembly) w asse 1013 (reduced pressure principle ) on supply to irrigation. per 2018 ipc 608.17.5
Valuation:
$1,000
Permit #:
222280129
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Replaced asse 1015 (double check valve assembly) w new asse 1020 (pressure vacuum breaker) on supply to irrigation. per ipc 2018 608.17.5
Valuation:
$1,000
Permit #:
221370069
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
3301 Woodburn Rd, Annandale, VA
2022-08-16
Replaced asse 1013 ( reduced pressure principle ) w new asse1013 (reduced pressure principle) on supply to instrument sterilizer
Valuation:
$900
Permit #:
222280110
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
3141 Fairview Park Dr, Falls Church, VA
2021-08-27
Replaced ( 2 ) asse 1015 (double check valve assembly) with asse 1013 (reduced pressure principle ) on supply to irrigation & decorative water feature. per ipc 608.17.5
Valuation:
$1,500
Permit #:
212390137
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
5821 Richmond Hy, Alexandria, VA
2021-04-19
Replacing asse 1013 (reduced pressure principle) backflow assembly with new asse 1013 (reduced pressure principle) backflow assembly on supply to soap dispenser
Valuation:
$900
Permit #:
211090218
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Hotel/motel trans...
Installed asse 1013 ( reduced pressure principle) on supply to yard hydrant. per county corrective work order
Valuation:
$900
Permit #:
221090147
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Restaurant/carry out
Building Permit
11600 American Dream Wy, Reston, VA
2021-11-16
Replaced asse 1015 ( double check assembly) with asse 1013 (reduced pressure principle) on supply to secondary cooling tower. per 2018 ipc 608.17.4.1
Valuation:
$900
Permit #:
213200230
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Replaced asse 1015 (double check valve ) with an asse 1013 (reduced pressure principle) backflow assembly on supply to irrigation per ipc code 608.17.5
Valuation:
$1,000
Permit #:
210840134
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
7950 Jones Branch Dr, Mclean, VA
2022-08-16
Replaced asse 1013 ( reduced pressure principle) w new stainless asse 1013 ( reduced pressure principle)
Valuation:
$1,000
Permit #:
222280119
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Building Permit
7511 Snowpea Ct, Alexandria, VA
2021-12-29
Replaced asse 1015 ( double check assembly ) which had no inlet or discharge isolation shut off valves with new asse 1015 ( double check assemby )
Valuation:
$1,000
Permit #:
213630149
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Apartment/multi-f...
Installed asse 1020 ( pressure vacuum breaker ) on supply to yard hydrant. per corrective work order
Valuation:
$900
Permit #:
220960123
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Apartment/multi-f...
Building Permit
3050 Chain Bridge Rd, Fairfax, VA
2021-11-08
Replaced asse 1015 ( double check valve assembly ) with asse 1013 ( reduced pressure principle ) on supply to irrigation per ipc 2018 608.17.5
Valuation:
$1,000
Permit #:
213120288
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
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Backflow Technology LLC License info
License Not Verified
| License # | 410522000051 |
| Status | Active |
| City | District Of Columbia |
| Type | Gen Contr Construction Mngr |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of September, 2025. Check the current license status of Backflow Technology LLC with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2705124842 |
| Status | Active |
| State | Virginia |
| Type | Plumbing (Plb) |
| Business Type | Llc |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Backflow Technology LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2705124842 |
| Status | Inactive |
| County | Spotsylvania County |
| Type | Contractor |
| Business Type | Llc |
- According to the Spotsylvania County, VA, 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 Backflow Technology LLC at the Spotsylvania County, VA.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
50
Permits
- Building permit records show that Backflow Technology LLC has worked on 50 permitted projects.