Electrical Panel Upgrade · Houston, TX

Electrical Panel Upgrade in Houston, TX: 2026 Costs & Local FAQs

Updated 2026-10-18 · Reviewed by the HomeServiceBud Editorial Team

Quick answer

An electrical panel upgrade in Houston typically costs about $1,300–$3,000 nationally, with 100-to-200-amp upgrades in the same range. Adjusted for Texas prices, plan on roughly $1,200–$2,700. In Houston, the biggest local factors are long, hot cooling season, flooding and high humidity.

Key takeaways

  • Typical cost in Houston: $1,200–$2,700 (per installed panel); national range $1,300–$3,000.
  • Biggest local factors: long, hot cooling season, flooding and high humidity.
  • How long it takes: Most panel upgrades take about 4–8 hours of labor, plus utility scheduling.
  • Permits: A permit is required, typically $50–$300; the electrician usually pulls it.
  • Best timing: Upgrade before summer, when AC loads are highest.
  • Before you hire: get at least three written, itemized quotes from licensed, insured Texas contractors.

What Houston homeowners should know

Houston combines heavy Gulf Coast clay soils, extreme humidity and some of the highest flood risk of any U.S. city. Hurricane Harvey flooded well over 100,000 homes in Harris County in 2017, and tropical downpours still swamp streets and low-lying neighborhoods.

Most homes sit on slab foundations that move as the clay shrinks in drought and swells after rain, and the long, humid cooling season makes AC and mold problems year-round concerns. The February 2021 winter storm also burst pipes in thousands of homes built for mild winters.

How much does electrical panel upgrade cost in Houston, TX?

An electrical panel upgrade typically costs $1,300–$3,000, with an average around $2,150. Amperage, meter and service changes, and subpanels drive the price. Texas prices run 11% below the U.S. average, so a typical Houston job lands around $1,200–$2,700. Local labor rates, permit fees and your home's specifics move the final number.

ItemTypical costNotes
100-amp panel installed$800–$1,500
150-amp panel installed$1,300–$1,600
200-amp panel / 100→200 amp upgrade$1,300–$3,000
400-amp service$2,000–$4,000
Meter box$200–$800Must match the new service
Subpanel$400–$1,750
Permit$50–$300Electrician usually pulls it

As a large city, Houston has plenty of contractors competing for work, which helps on price, but busy seasons can mean longer waits. Book early after major storms.

How we calculate costs

National ranges come from published cost surveys (cited below). Local estimates apply an approximate state cost index. Read our methodology.

Electrical Panel Upgrade cost questions for Houston, TX

  • What is the cost of 100-amp panel installed in Houston, TX? The typical cost of 100-amp panel installed in Houston, TX is $710–$1,300, adjusted for Texas prices (national $800–$1,500).
  • What is the cost of 150-amp panel installed in Houston, TX? The typical cost of 150-amp panel installed in Houston, TX is $1,200–$1,400, adjusted for Texas prices (national $1,300–$1,600).
  • What is the cost of 200-amp panel / 100→200 amp upgrade in Houston, TX? The typical cost of 200-amp panel / 100→200 amp upgrade in Houston, TX is $1,200–$2,700, adjusted for Texas prices (national $1,300–$3,000).
  • What is the cost of 400-amp service in Houston, TX? The typical cost of 400-amp service in Houston, TX is $1,800–$3,600, adjusted for Texas prices (national $2,000–$4,000).
  • What is the cost of meter box in Houston, TX? The typical cost of meter box in Houston, TX is $180–$710, adjusted for Texas prices (national $200–$800). Must match the new service.
  • What is the cost of subpanel in Houston, TX? The typical cost of subpanel in Houston, TX is $360–$1,600, adjusted for Texas prices (national $400–$1,750).
  • What is the cost of permit in Houston, TX? The typical cost of permit in Houston, TX is $40–$270, adjusted for Texas prices (national $50–$300). Electrician usually pulls it.
  • What is the cost of move the panel in Houston, TX? The typical cost of move the panel in Houston, TX is $710–$2,700, adjusted for Texas prices (national $800–$3,000).
  • What is the cost of main breaker replacement in Houston, TX? The typical cost of main breaker replacement in Houston, TX is $180–$270, adjusted for Texas prices (national $200–$300). $500–$2,000 if the bus bar is damaged.
  • What is the cost of AFCI/GFCI breakers in Houston, TX? The typical cost of AFCI/GFCI breakers in Houston, TX is $30–$50 each, adjusted for Texas prices (national $35–$60 each). Often required by code.

What affects electrical panel upgrade in Houston

Long, hot cooling seasonLong cooling seasons around Houston push AC and heat pump loads, a common reason older homes move to 200-amp service.
FloodingPanels that have been underwater in Houston floods must be replaced, not dried out.
High humidityHumid air around Houston can corrode panels; rust is a common upgrade sign.

Houston has hot, humid summers and mild winters. Upgrade before summer, when AC loads are highest.

Signs you need a panel upgrade

  • Breakers trip often
  • Lights flicker or dim when appliances run
  • You rely on power strips or can't run appliances together
  • The panel buzzes, feels hot or smells burnt
  • Rust or visible damage
  • A Federal Pacific or Zinsco panel, or plans for an EV charger or heat pump

Common questions about electrical panel upgrade in Houston

How much does an electrical panel upgrade cost in Houston, TX?

Most panel upgrades cost about $1,200–$2,700 in Houston, TX. A 100-to-200-amp upgrade typically runs $1,300–$3,000 nationally.

Do I need a 200 amp panel?

Most modern homes with central air, electric appliances or an EV charger are planned around 200 amps. A load calculation tells you for sure.

Is a Federal Pacific or Zinsco panel dangerous?

Both are widely flagged as outdated, and many electricians recommend replacing them.

How much does a subpanel cost?

A subpanel typically costs $400–$1,750 installed and can add circuits for a garage, addition or EV charger.

Timeline, permits and DIY in Houston

How long it takes

Most panel upgrades take about 4–8 hours of labor, plus utility scheduling.

Permits

A permit is required, typically $50–$300; the electrician usually pulls it. Check with the Houston building department for local rules.

DIY or hire a pro?

Not a DIY job: a licensed electrician must do the work and coordinate with the utility.

Questions to ask Houston contractors

Ask every bidder the same questions so you can compare quotes apples to apples.

  • Did you do a load calculation for my home?
  • Does the quote include the meter, permit and utility coordination?
  • Which breakers will be AFCI or GFCI to meet code?
  • Will the power be off, and for how long?

Maintenance that prevents costly repairs

  • Have the panel inspected if breakers trip often
  • Never ignore buzzing or burning smells
  • Label circuits clearly

How to hire for electrical panel upgrade in Houston

  1. Use a licensed, insured electrician.
  2. Ask for a load calculation to size the new service.
  3. Confirm the permit, inspection and utility coordination are included.
  4. Get the warranty for parts and labor in writing.

Electrical Panel Upgrade in Houston: FAQs

How much does an electrical panel upgrade cost in Houston, TX?

Nationally, most upgrades cost $1,300–$3,000. Local permit fees and utility requirements change the final price.

Do I need a permit for a panel upgrade in Houston?

Yes. A licensed electrician typically pulls the permit and coordinates with the utility.

Will I need a panel upgrade to add a heat pump in Houston?

Possibly. Ask for a load calculation; many older homes need 200-amp service for heat pumps and EV chargers.

How much does electrical panel upgrade cost in Houston compared to the national average?

With Texas's regional cost index of 0.89, expect roughly $1,200–$2,700 in Houston, versus $1,300–$3,000 nationally.

How long does electrical panel upgrade take in Houston?

Most panel upgrades take about 4–8 hours of labor, plus utility scheduling. Permit and inspection scheduling in Houston can add a few days.

Do I need a permit for electrical panel upgrade in Houston?

A permit is required, typically $50–$300; the electrician usually pulls it. Confirm with the Houston or county building department.

Which Houston ZIP codes does this guide cover?

This guide applies to Houston ZIP codes 77001, 77002, 77003, 77004, 77005, 77006, 77007, 77008, 77009, 77010, 77011, 77012, 77013, 77014, 77015, 77016, 77017, 77018, 77019, 77020, 77021, 77022, 77023, 77024, 77025 and more, plus the surrounding area.

Electrical Panel Upgrade near Houston

Other home services in Houston

Sources: This Old House — Cost to upgrade an electrical panel · Angi — Cost to upgrade an electrical panel. Ranges are rounded estimates; see our editorial policy.

Local risk factors reflect general Texas climate patterns; check FEMA's National Risk Index for county-level ratings. Local estimates apply an approximate regional cost index to national ranges.