FILE · PLUMBING x ARLINGTON x VIRGINIAPermit StackSpecs LedgerCostTimelineChecklistViolationsFAQ
PLUMBING x ARLINGTON x VIRGINIA

Plumbing contractors in Arlington, Virginia.

Plumbing contractors operating in Arlington, Virginia, must navigate a dual-layer regulatory environment consisting of state-level licensure through the DPOR and local enforcement via the Arlington County Inspection Services Division (ISD). Contractors must hold a valid Virginia contractor license with a plumbing (PLB) specialty and ensure that all work adheres to the Virginia Uniform Statewide Building Code (USBC).

Before commencing any project, contractors are responsible for securing the necessary permits through the Arlington County permit portal. Failure to obtain permits or schedule mandatory inspections can result in stop-work orders, fines, and potential revocation of licensure. Always verify specific project requirements with the county office, as local amendments to the building code may apply.

State License
STATE DPOR PLBClass A/B/C
Permit Issuer
Arlington ISDCounty Office
Avg. Plan Review
5-10 DaysVaries by scope
Typical Start-Up
RANGE 30-90 DaysLicensing process
FILE · PLUMBING x ARLINGTON x VIRGINIA
Compliance Dossier
Public
File
05 / 2026
State AuthorityDPOR Board for Contractors
CountyArlington County
City AuthorityArlington Inspection Services Division
Statute / CodeVirginia Uniform Statewide Building Code
Federal Cert.N/A
ReciprocityVerify with DPOR
FILE PLUMBINGLOCATION ARLINGTON, VIRGINIATYPE COMPLIANCE GUIDE
VERIFIED 05 / 2026STATUS PUBLIC REFERENCE
What's specific to ArlingtonWhat this leaf carries beyond the Virginia state file.
Urban Density Requirements
Arlington's high-density environment requires strict adherence to noise ordinances and site management plans during plumbing installations.
Historic District Overlays
Plumbing work in designated historic districts may require additional review by the Arlington Historical Affairs and Landmark Review Board.
Water Pollution Control
Specific mandates exist for grease trap installations and industrial waste discharge in Arlington's commercial corridors.
§ 01 · Permit Stack

Three layers govern Plumbing work in Arlington.

State licensing is the baseline; local county permits are the enforcement mechanism.

State — Floor
DPOR
Contractor LicenseMaster Plumber Certification
County — Overlay
Arlington ISD
Permit ApplicationBackflow Certification
City — Where you file
Arlington County
Business LicensePermit Fees

Read it bottom-up.

State licensing is the baseline; local county permits are the enforcement mechanism.

This file exists to show what changes when the trade is Plumbing and the jurisdiction is Arlington, Virginia.

Source · State, county, and city issuing authoritiesLast verified · 05 / 2026
§ 02 · Specs Ledger

Every requirement, with a number on it.

Each row names the issuing authority, cost, timeline, citation, and status behind the requirement.

RequirementIssued byCostTimeCitationStatus
DPOR Contractor LicensePLB Specialty
DPOR
Verify with DPOR
30+ days
VA Code 54.1-1100
REQUIRED
General LiabilityMinimum coverage required
Private Insurer
Market rate
Immediate
DPOR Regs
REQUIRED
Plumbing PermitRequired per project
Arlington ISD
Verify with ISD
1-3 days
USBC
REQUIRED
Surety BondRequired for certain classes
Surety
Verify with DPOR
Varies
DPOR Regs
REQUIRED
Master PlumberIndividual qualification
DPOR
Verify with DPOR
Varies
VA Code 54.1-1100
REQUIRED
Business LicenseArlington County
Arlington Commissioner of Revenue
Verify with County
Varies
Arlington Code
REQUIRED
§ 03 · Year-One Cost

What it costs to start Plumbing in Arlington.

A practical floor for Arlington, Virginia. Verify each amount with the issuing authority.

Year-one ledger
Arlington, Virginia · Plumbing
DPOR License FeeInitial applicationVerify with DPOR
Arlington Business LicenseAnnual feeVerify with County
Permit Base FeePer applicationVerify with ISD
Fixture FeePer plumbing fixtureVerify with ISD
Plan Review FeeFor commercial projectsVerify with ISD
Inspection FeeRe-inspection feesVerify with ISD
Year-one floorVaries by project scope
Excludes tools, vehicle purchase, payroll, and marketing.
Note
Fee Schedules

Always check the current Arlington County fee schedule as rates are subject to annual adjustment.

Note
Plan Review

Large commercial projects may incur additional costs for structural and fire safety plan reviews.

Note
Late Fees

Work started without a permit may be subject to double permit fees.

§ 04 · Path to First Job

From day zero to first inspection.

A practical path for Plumbing contractors in Arlington.

1
Day 0
Obtain DPOR License
DPOR
2
Day 15
Register Business in Arlington
Arlington County
3
Day 30
Submit Permit Application
Arlington ISD
4
Day 45
Permit Approval
Arlington ISD
5
Day 60
Rough-in Inspection
Arlington ISD
6
Day 75
Final Inspection & Closeout
Arlington ISD
§ 05 · Compliance Checklist

Check them off.

Each item names the issuing authority, cycle, and citation.

01
Verify License
Ensure your DPOR license is current.
LicenseComplianceDPOR
ContractorIssuing authority
02
Permit Application
File for plumbing permits via Permit Arlington.
PermitsArlingtonArlington ISD
ContractorIssuing authority
03
Site Safety
Post permit at the job site.
SafetyComplianceUSBC
ContractorIssuing authority
04
Code Compliance
Ensure all materials meet USBC standards.
CodeTechnicalUSBC
ContractorIssuing authority
05
Inspection Scheduling
Request inspections at key milestones.
InspectionsProcessArlington ISD
ContractorIssuing authority
06
Final Documentation
Keep records of all inspections and approvals.
RecordsComplianceArlington ISD
ContractorIssuing authority
§ 06 · Local Enforcement Data

Violations cited most in Arlington.

When confirmed local data is unavailable, this section stays marked for verification.

Commonly cited
Verify with agency

Unpermitted Work

Performing plumbing work without an active permit.

PenaltyStop-work order and potential fines.
Commonly cited
Verify with agency

Failed Inspections

Work not meeting code standards during rough-in.

PenaltyRe-inspection fees and delay.
Commonly cited
Verify with agency

Unlicensed Activity

Contracting without a valid DPOR license.

PenaltyLegal action and civil penalties.
§ 07 · Arlington-specific FAQ

Questions Plumbing contractors ask about Arlington.

Q01Do I need a permit for minor plumbing repairs in Arlington?+
Minor repairs like replacing a faucet or clearing a drain may not require a permit, but you should verify with the Arlington Inspection Services Division to ensure the work does not involve structural or system-wide changes.
PermitsExemptionsSource · Arlington County Inspection Services Division
Q02Who can pull a plumbing permit in Arlington?+
Only a licensed contractor or the property owner (if they reside in the home) may pull a plumbing permit.
LicensingPermitsSource · Virginia Uniform Statewide Building Code
Q03Is a state license enough to work in Arlington?+
Yes, the DPOR state license is the primary requirement, but you must also ensure your business is registered to operate within Arlington County.
LicensingRegistrationSource · DPOR Board for Contractors
Q04How do I schedule an inspection?+
Inspections can be scheduled online through the Arlington County Permit Arlington portal or by calling the automated inspection request line.
InspectionsProcessSource · Arlington County ISD
Q05What code does Arlington follow for plumbing?+
Arlington enforces the Virginia Uniform Statewide Building Code, which incorporates the International Plumbing Code.
CodeComplianceSource · Virginia Department of Housing and Community Development
Q06Are there specific requirements for backflow prevention?+
Yes, backflow prevention devices must be installed and tested annually by a certified backflow prevention device worker.
SafetyBackflowSource · Arlington County Water Pollution Control
§ 08 · Related

Adjacent files.

These are the documents Iris tracks for you.

Store licenses, permits, policies, and renewal dates in one place.