Builder Lookup · Arlington permit record
William J Root Inc
Virginia contractor license 2705001581, Class B (single contracts up to $120,000 and up to $750,000 a year), specialties Electrical. Licensed since May 20, 1991; expires May 31, 2027. Per the DPOR regulant list retrieved September 11, 2026.
Woodbridge, VA
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William J Root Inc has 89 jobs on Arlington County permit records issued September 1, 2022 to September 10, 2026 (90 permits), mostly electrical work. Retrieved September 11, 2026.
Jobs by year
Peer groups
In Electrical: 77 jobs, median declared value $1,500 (group median $3,000).
Closes faster than most peers in this group, based on 52 closed permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
Completion below the group median, based on 78 permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
Works for
Worked for individual homeowners on 100% of jobs; the rest were company-owned properties (builders, investors, LLCs).
Crew
No electrical, plumbing or mechanical firm shares 3 or more permitted sites with this firm on record.
Where they work
Jobs by zip code
- 2220525 jobs
- 2220723 jobs
- 2220417 jobs
- 222029 jobs
- 222037 jobs
- 222064 jobs
- 222013 jobs
Zip codes and map cells with fewer than 3 jobs are not shown.
Map of Arlington County showing where William J Root Inc has submitted permits, as shaded cells; the zip code list gives the same information.
Each shaded cell is about 0.7 km²; darker means more jobs there. No addresses are shown.
Sources and notes
- Arlington County permit records (open data API), retrieved September 11, 2026
- Arlington County permit portal, retrieved September 11, 2026
- Virginia DPOR regulant lists (contractor and tradesman licenses), retrieved September 11, 2026
- Arlington County: permits issued September 1, 2022 to September 10, 2026. First permit in window September 7, 2022; most recent August 24, 2026. 90 permits, 89 jobs.
- Jobs are distinct permitted sites; a site with several permits counts once.
Permit records show what was permitted, when, and by whom. They do not show workmanship, price fairness, or unpermitted work. Declared values are entered by applicants and are commonly understated. Completion figures reflect the county's closing process and are shown only relative to peers in the same window. Arlington County disclaims the accuracy of its data; so does this site.
Name as written on county permits:WILLIAM J ROOT INC; WILLIAM J ROOT INC/ROOT ELECTRIC. DPOR license number 2705001581.