Panel Upgrade in Arlington, VA: Cost, Permits & What to Expect

When You Actually Need a Panel Upgrade

Not every electrical issue is a panel problem. Before you commit to a $4,000 project, run through these signals.

Symptoms that point to an upgrade

• Breakers tripping under normal load. If running the microwave plus the toaster plus a hair dryer trips a breaker, you're either at panel capacity or the branch circuit is undersized.
• Lights dim when major appliances start. The HVAC compressor or electric dryer pulling enough current to dim other circuits means the panel can't handle simultaneous load.
• The panel feels warm to the touch or smells faintly burnt around the bus bar — that's not normal and warrants an immediate inspection.
• Breakers won't reset or feel "soft" when you reset them. Internal contacts may be welded or worn.
• The brand on the panel itself is FPE Stab-Lok, Zinsco / Sylvania, Pushmatic, or Federal Pioneer. These four panel families have documented safety issues and should be replaced regardless of capacity.
• You're planning to add a major load. EV charger, heat pump, hot tub, kitchen renovation with induction range, or a finished basement addition typically requires a panel upgrade if you're starting from 100-amp service.

Symptoms that don't require an upgrade

A single breaker that nuisance-trips on one specific circuit is usually a bad device or a damaged wire on that circuit, not a panel issue. An older panel with a recognized brand that still has spare capacity and no plans for new high-load equipment can keep running. The decision isn't "is the panel old" but "is the panel limiting you, unsafe, or both."

Sizing: 100A vs 200A vs 400A

The vast majority of Arlington homes built before the late 1980s came with 100-amp service. That was adequate for an electric range, central air, electric dryer, and standard lighting and outlets. It is no longer adequate if you've added — or plan to add — an electric vehicle charger, a heat pump, a tankless water heater, or a finished basement.

200-amp service is the new standard for any home with central HVAC, an electric range, and either an EV charger or a finished addition. It's the right answer for the large majority of Arlington single-family homes.

400-amp service is appropriate for larger estates, homes with two EV chargers and heavy electric heat, or homes with detached structures that draw their own significant loads — pool houses, workshops, ADUs. Most Arlington single-family homes don't need 400 amps. McLean estates often do, but that's a different conversation.

Why FPE, Zinsco, Pushmatic, and Federal Pioneer panels need replacement

These four brands have a documented history of failure-to-trip behavior — meaning a breaker may not interrupt an overload or short circuit when it should. The risk isn't theoretical. Independent testing in the 1980s and 90s flagged Federal Pacific Stab-Lok specifically; Zinsco panels have similar bus-bar overheating issues. Several insurance carriers either flag homes with these panels still installed or refuse to cover them. If your panel says any of those names, replacement is the right call regardless of capacity.

If your sizing math doesn't immediately push you toward an upgrade, but you have a related project on the horizon — EV charger, finished basement, or heat-pump conversion — read our Arlington EV charger guide or Arlington sub-panel guide for the load-calculation logic.

What a Panel Upgrade Costs in Arlington

A standard 200-amp main panel replacement in Arlington typically runs $3,500 to $5,500. A 400-amp upgrade runs $7,500 to $12,000 and is much rarer in Arlington single-family homes.

Most contractors quote in the same range for the same scope of work. Variance comes from these factors:

• Panel location. Interior basement is the lowest-cost install. Attached garage adds time. An exterior wall mount is the most expensive scenario because it usually requires a weatherhead and meter base replacement at the same time.
• Meter base condition. 1950s and 60s Arlington homes often have a meter base that's just as old as the panel. If the meter base is damaged, corroded, or undersized for the new service, replacement adds $400-$900 to the job.
• Service entrance cable. The cable running from the meter to the panel. Frayed cloth-insulated cable from mid-century builds adds $300-$700 to replace.
• Arlington County permit fee. Currently in the $75-$150 range for residential panel replacement (verify with the current Arlington County fee schedule). AJ Long Electric pulls the permit; the fee is included in your written quote.
• Grounding and bonding code-compliance. Pre-1990 Arlington homes often have a grounding electrode that doesn't meet current National Electrical Code (NEC 250). Bringing it to code typically adds $200-$500 — driving a new ground rod, replacing an undersized grounding electrode conductor, or both.
• Dominion Energy disconnect coordination. Free in Dominion's territory but requires scheduling. Adds half a day to project timeline, no dollar cost.

Be skeptical of any quote significantly below $3,500 for a 200-amp upgrade in Arlington — that price usually means the contractor isn't pulling a permit, isn't bringing grounding to code, or isn't replacing the meter base when it should be. Save the $500 now, pay $5,000 in two years when the inspector flags unpermitted work during your home sale.

Arlington County Permits & Inspection

Every main panel replacement in Arlington requires an electrical permit. Unpermitted electrical work shows up during home sales (county records are public) and during insurance claims. Don't skip this step.

Permit authority. Arlington County's Department of Community Planning, Housing and Development handles residential electrical permits, with applications processed through the county's online permit portal at permitarlington.com. (Verify current URL and authority name before publication — this changes occasionally.)

Who pulls the permit. AJ Long Electric pulls the permit as the licensed Master Electrician on the project. You don't need to apply yourself or visit the county office. The fee is included in your written quote.

Typical timeline. Permits issue same-day or next-business-day for residential panel work. The inspection happens within 1-3 business days after install. Total elapsed time from contract to closed permit is usually under two weeks.

What the inspector checks. Proper torque on the lugs, correct grounding electrode conductor sizing per NEC 250, current AFCI and GFCI requirements per NEC 210.12 and 210.8 (Arlington County is currently on NEC 2020; verify the current cycle before publication), bonding of service equipment to the grounding electrode, and proper labeling of every branch circuit at the new panel.

Common rejection reasons we've seen in Arlington over the years: missing AFCI breakers on bedroom branch circuits, undersized grounding electrode conductor on older homes where the existing ground was a #6 that should have been a #4, neutral and ground bonded incorrectly downstream of the main, and missing arc-fault protection on kitchen and laundry circuits when those were modernized in the same scope.

What Happens on Install Day

A residential panel upgrade is a one-day install for the vast majority of Arlington homes. Here's the typical flow:

• Morning arrival. The crew arrives between 8 and 9 AM, walks the panel and the service entrance, confirms the scope matches the quote, and lays drop cloths from the work area to the exit.
• Power off. Dominion Energy disconnects the service at the meter; the outage typically lasts 4-6 hours. We coordinate the disconnect window so you can plan around it (run laundry the day before, no thawing freezer).
• Out with the old. The old panel and its breakers come off the wall; existing branch-circuit conductors are tagged for re-landing in the new panel.
• In with the new. The new 200-amp panel is mounted, the service entrance cable is reconnected, the meter base is reinstalled or replaced, the grounding electrode conductor is run, and every branch circuit is re-landed and labeled.
• Power on, test, document. Dominion reconnects, we verify every circuit energizes correctly, we photograph the labeled panel for our records and yours, and we leave the work area broom-clean.

You don't need to be home for the install once we've confirmed access. Most Arlington customers leave for work in the morning and come home to a finished panel and a labeled directory.

For high-rise condos in Ballston, Clarendon, or Crystal City, the timeline includes a 2-week building-management coordination window: HOA notification, building-engineer scheduling for the unit power-down, and elevator-pad reservation for the equipment delivery. We handle the coordination; you sign one HOA notification form.

What Arlington's Housing Stock Means for Panel Work

Arlington's housing stock is heavily 1940s-1960s post-war ramblers, split-foyers, and brick colonials, with a wave of 1990s-2000s townhouse infill and high-rise condo growth in the Rosslyn-Ballston corridor and Crystal City. Each era has its own panel patterns:

• 1920s-1940s craftsman and colonial (Lyon Park, Lyon Village, Cherrydale, Westover, Bluemont): often original 60-amp or upgraded 100-amp panels. FPE Stab-Lok extremely common in any 1950s upgrade work that's still in place.
• 1950s-1960s brick ramblers and split-foyers (Aurora Hills, Arlington Heights, Glencarlyn): the heart of Arlington's panel-replacement work. Zinsco / Sylvania panels are common here, often showing heat damage on the bus bar.
• 1990s-2000s townhouses (Pentagon City, Shirlington, parts of Crystal City): generally 200-amp panels installed at construction. Upgrades here are usually about adding circuits or sub-panels, not replacing the main.
• High-rise condos (Ballston, Clarendon, Virginia Square, Rosslyn): unit-side panels are typically 100-amp subfeeds from the building's main service. Upgrades require building-management coordination and often the building engineer.

Common panel brands AJLE encounters in Arlington's older housing stock: Federal Pacific (FPE) Stab-Lok in 1950-72 builds, Zinsco / Sylvania in 1960-78 builds, Pushmatic in some premium 1960s-70s homes, and Federal Pioneer (the Canadian-import edition of FPE — same risk profile) occasionally.

Recent Arlington panel-upgrade projects

(Anonymized; details to be confirmed against AJLE project records before publication.)

• Cherrydale 1948 colonial. Replaced original 60-amp FPE Stab-Lok with a 200-amp Square D QO. Brought grounding to current code with a new ground rod and #4 grounding electrode conductor. Two-day job (day one install, day two for follow-up code items). Arlington County permit and inspection passed first try.
• Aurora Hills mid-1960s split-foyer. Zinsco panel was showing heat damage on the bus bar — homeowner had reported smelling something faintly burnt. Same-week emergency replacement with a 200-amp Eaton CH. Preserved the homeowner's existing AFCI breakers where compatible to keep cost down.
• Ballston high-rise condo, 2018 build. 100-amp subfeed needed upsizing to support a newly added EV charger plus existing electric range and HVAC load. Coordinated with building management and the resident-engineer for the unit power-down. In and out same day; building HOA notification handled in advance.

What to Look for in an Electrician

Whether you hire AJ Long Electric or someone else, this is what to look for and what to avoid.

• Virginia Master Electrician license. Verify the contractor's license number on the Virginia Department of Professional and Occupational Regulation site (dpor.virginia.gov). Panel work requires a Master, not a Journeyman, in Virginia.
• Bonded and insured. Ask for proof of general liability insurance and workers' compensation. Reputable contractors hand over a certificate of insurance on request without hesitation.
• Pulls permits. Never accept "we don't need a permit for that" on a panel job. They're wrong, and the work won't be inspected. Unpermitted electrical work surfaces during home sales.
• Written, itemized quote. The quote should specify the new panel make and model, breaker count, the permit fee, any meter base or grounding work, and the total. Vague flat-rate quotes hide the upsell.
• Warranty in writing. AJ Long Electric provides a 5-year workmanship warranty in writing on every panel job. Ask any contractor what they warrant and for how long, then get it in writing.

Avoid: cash-only deals, unwillingness to pull permits, no proof of insurance, lowball quotes that omit permit fees or meter base work that's clearly needed, and contractors who can't tell you the brand and model of the panel they'll install.

Frequently Asked Questions

How much does a 200-amp panel upgrade cost in Arlington?

$3,500 to $5,500 for a standard install in Arlington. The price moves based on panel location, whether the meter base needs replacement, the condition of the service entrance cable, the Arlington County permit fee, and whether the grounding electrode and bonding need to be brought up to current NEC.

Do I need an Arlington County permit for a panel upgrade?

Yes, every main panel replacement in Arlington requires an electrical permit. AJ Long Electric pulls the permit as the licensed contractor; you don't need to apply yourself. The permit fee is included in your written quote, not added separately. Typical fee range is $75-$150 (verify against current Arlington County fee schedule).

Will Dominion Energy need to disconnect my power?

Yes, Dominion disconnects service at the meter for any full main panel replacement and reconnects the same day. AJ Long Electric coordinates the disconnect window. Expect a 4-6 hour outage during install. There's no extra charge from Dominion for this in their service territory.

My 1950s Arlington home has a Federal Pacific (FPE) panel — is it really dangerous?

Federal Pacific Stab-Lok panels have documented failure-to-trip behavior, meaning a breaker may not interrupt an overload or short circuit when it should. The risk isn't theoretical — independent testing flagged this in the 1980s and 90s. Several insurance carriers either flag or refuse to cover homes with FPE panels still in service. Replacement is the right call regardless of whether you're at capacity.

Can I add an EV charger in Arlington without a panel upgrade?

Sometimes. It depends on your existing panel's spare capacity and a load calculation against NEC 220. On older Arlington homes with 100-amp service, a Level 2 EV charger usually pushes the panel past safe capacity, and an upgrade is the right move. On newer 200-amp panels with light existing load, an EV charger can often be added without an upgrade. Our Arlington EV charger guide covers the load-calc logic in detail.

How long does the whole project take?

A straightforward residential panel replacement is a one-day install — typically 4-8 hours of on-site work. The Arlington County inspection follows within 1-3 business days. Total elapsed time from signed contract to closed permit is usually under two weeks. High-rise condo work in Ballston / Clarendon / Crystal City adds about two weeks for HOA notification and building-management coordination.