Builder Lookup · Fairfax, Arlington and Alexandria permit record
Trademasters Service Inc
Virginia contractor license 2705022586, Class A (no limit on contract size), specialties Plumbing, Electrical, Home improvement contracting, Gas fitting contracting and HVAC. Licensed since November 16, 1993; expires November 30, 2027. Per the DPOR regulant list retrieved September 11, 2026.
Lorton, VA
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Fairfax County
Trademasters Service Inc has 87 jobs on Fairfax County permit records issued September 1, 2022 to September 12, 2026 (90 permits), mostly heating and cooling work. Retrieved September 12, 2026.
Jobs by year
Peer groups
In HVAC: 74 jobs.
Closes faster than most peers in this group, based on 37 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 74 permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
In Plumbing: 12 jobs.
Not enough closed permits to compare timing in this group.
Completion below the group median, based on 12 permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
In Electrical: 4 jobs.
Not enough record to compare. 4 jobs since September 1, 2022.
Works for
Worked for individual homeowners on 97% 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
- 220795 jobs
Zip codes and map cells with fewer than 3 jobs are not shown.
Map of Fairfax County showing where Trademasters Service 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.
Arlington County
Trademasters Service Inc has 23 jobs on Arlington County permit records issued September 1, 2022 to September 10, 2026 (25 permits), mostly heating and cooling work. Retrieved September 11, 2026.
Jobs by year
Peer groups
In HVAC: 15 jobs, median declared value $2,000 (group median $8,500).
About typical for this group, based on 13 closed permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
Completion about the group median, based on 16 permits in this group. County review cycles, owner decisions and final-inspection scheduling are all inside this number.
In Plumbing: Not enough record to compare. 2 jobs since September 1, 2022.
Works for
Worked for individual homeowners on 96% 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
- 222026 jobs
- 222014 jobs
- 222054 jobs
- 222033 jobs
Zip codes and map cells with fewer than 3 jobs are not shown.
Map of Arlington County showing where Trademasters Service 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.
City of Alexandria
Trademasters Service Inc has 15 jobs on City of Alexandria permit records issued September 1, 2022 to September 15, 2026 (15 permits), mostly heating and cooling work. Retrieved September 15, 2026.
Jobs by year
Peer groups
No jobs in any Alexandria peer group. Not enough record to compare. 15 jobs since September 1, 2022.
Works for
Worked for individual homeowners on 93% 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
- 2231411 jobs
- 223043 jobs
Zip codes and map cells with fewer than 3 jobs are not shown.
Map of City of Alexandria showing where Trademasters Service 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
- City of Alexandria APEX permit portal (public search and permit details), retrieved September 15, 2026
- Fairfax County PLUS permit portal, "Building Records Issued" report, retrieved September 12, 2026
- Virginia DPOR regulant lists (contractor and tradesman licenses), retrieved September 11, 2026
- Fairfax County: permits issued September 1, 2022 to September 12, 2026. First permit in window January 26, 2023; most recent September 10, 2026. 90 permits, 87 jobs.
- Arlington County: permits issued September 1, 2022 to September 10, 2026. First permit in window November 28, 2022; most recent August 4, 2026. 25 permits, 23 jobs.
- City of Alexandria: permits issued September 1, 2022 to September 15, 2026. First permit in window January 8, 2024; most recent August 18, 2026. 15 permits, 15 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. Fairfax County, Arlington County and City of Alexandria disclaim the accuracy of their data; so does this site.
Name as written on county permits:TRADEMASTERS SERVICE INC; TRADEMASTERS SERVICE, INC.. DPOR license number 2705022586.
Work by category (jobs): heating and cooling work 107; plumbing work 17; electrical work 5.