Expert Electrician Services in Portsmouth, New Hampshire

Portsmouth has been a working port since 1623, and its homes carry four centuries of history — from the Jackson House of 1664 to the brick townhomes downtown. Salt air, storm surge, and nor'easters punish electrical systems here in ways inland towns never see. Electrical Service Precision Pros keeps Seacoast homes powered, dry, and up to code.

(833) 606-5080

Content last reviewed September 25, 2026

Power for the Seacoast's Oldest City

Portsmouth is New Hampshire's oldest city, settled in 1623 where the Piscataqua River meets the Atlantic. Its downtown historic district sits on the National Register, packed into a few walkable blocks. Strawbery Banke preserves the old Puddle Dock neighborhood across nearly ten acres, with buildings dating back to 1695. The Richard Jackson House of 1664 still stands as the oldest home in the state.

Four centuries of houses means four centuries of wiring problems. Colonials from the 1700s, brick townhomes from the 1800s, and salt-weathered capes all share the same enemies: time and a marine climate. Salt air corrodes outdoor electrical equipment faster than anywhere inland. Storm surge and high tides push brackish water into basements dug before electricity existed.

Eversource delivers power across the Seacoast, and nor'easters test that delivery every winter. The ice storm of December 2008 left close to 400,000 people statewide without power, the worst outage the utility had ever seen. Coastal neighborhoods here also flood when storm surge meets high tide. Electrical Service Precision Pros plans electrical work for all of it: panels above flood level, corrosion-resistant outdoor gear, generators, and whole-home surge protection.

We work in the houses other electricians tiptoe around. In the historic district, rewiring has to respect original plaster, trim, and framing — and the Historic District Commission sets rules about what can be altered. We design every job inside those rules. Walls get opened only where needed, wire gets fished wherever possible, and every surface is restored. Permits, inspections, and documentation come standard on every job.

From Market Street to the South End, from Strawbery Banke's neighbors to the suburban streets beyond, we keep Portsmouth powered. When outlets die, breakers trip, or the next nor'easter is on the forecast, call (833) 606-5080. We'll diagnose it honestly, explain your options plainly, and leave behind work built to outlast us all.

Our electrician team at work on a home service call

Electricians at Home in 300-Year-Old Houses

Wired for history, built for today

Some of the houses we wire are older than the country itself. Portsmouth's building stock runs from 1664 to last year, and the oldest ones were never designed for electricity at all. Electrical Service Precision Pros specializes in the hard middle ground: bringing historic homes up to modern electrical standards without destroying what makes them historic. We know which walls can be opened, how to fish wire through centuries-old framing, and what the Historic District Commission expects. The result is a house that's safe and modern behind walls that still look like 1790.
  • •Historic-home specialists who respect original plaster and trim
  • •Corrosion-resistant outdoor electrical built for salt air
  • •Panels and equipment elevated above flood and surge levels
  • •Whole-home generators wired through code-compliant transfer switches
  • •City permits plus Historic District Commission paperwork handled

Professional Electrician Services in Portsmouth, New Hampshire

Trusted Electrician solutions for residential and commercial properties, with clear communication and careful work.

Newly installed ceiling fan in a bright modern living room

Ceiling Fan Installation Near Me

Starting at: Call for pricing

A ceiling fan can make a room feel noticeably cooler without touching the thermostat — but only if it's mounted to a fan-rated box and wired correctly. Electrical Service Precision Pros installs and replaces ceiling fans with proper bracing, balanced blades, and the right controls, including remote and wall-switch options. If your current fan wobbles or hums, we can fix that too.

  • Installation on fan-rated boxes with proper ceiling bracing
  • Wiring for separate fan and light control
  • Remote, wall-switch, and smart control options
Electrician testing circuit breakers with a digital multimeter

Circuit Breaker Repair & Replacement Near Me

Starting at: Call for pricing

A breaker that trips now and then is doing its job — one that trips weekly, buzzes, or smells hot is telling you something is wrong. Electrical Service Precision Pros diagnoses whether the problem is a failing breaker, an overloaded circuit, or a deeper wiring issue, then repairs or replaces only what actually needs it. You get a straight answer and a panel you can trust again.

  • Diagnosis of chronic tripping, buzzing, or overheating breakers
  • Replacement of worn, damaged, or recalled breakers
  • Dedicated circuits added for overloaded rooms and appliances
Electrician closing a modern labeled breaker panel during a panel upgrade

Electrical Panel Upgrades Near Me

Starting at: Call for pricing

Electrical Service Precision Pros upgrades and replaces electrical panels so your home can safely handle the power you use today. If your breakers trip often, your panel is outdated, or you are adding big loads like an EV charger, we will inspect it and explain your options plainly.

  • Full panel inspection that checks breakers, bus bars, wiring, and grounding before any work starts
  • Panel replacement sized to your real electrical load, not a guess
  • New breakers and clearly labeled circuits so you know what controls what
Electrician inspecting a breaker panel with a clipboard and thermal camera

Electrical Safety Inspections Near Me

Starting at: Call for pricing

Most electrical problems announce themselves quietly — a warm outlet here, a flickering light there — until they don't. A safety inspection from Electrical Service Precision Pros checks your panel, wiring, outlets, grounding, and smoke/CO detectors against current code, and gives you a plain-language report of what's fine, what to watch, and what needs attention now. Ideal before buying, selling, or renovating.

  • Full panel inspection: breakers, labeling, corrosion, and capacity
  • Outlet and switch testing including GFCI/AFCI function
  • Grounding and bonding verification
Wall-mounted Level 2 EV charger plugged into an electric car in a home garage

EV Charger Installation Near Me

Starting at: Call for pricing

Charging at home beats hunting for a public station every week. Electrical Service Precision Pros installs dedicated Level 2 EV chargers wired straight to your panel, sized for your car and your daily driving. Call (833) 606-5080 and we will set up home charging that fits your routine.

  • Level 2 (240-volt) home charger installation
  • Panel load calculation before we size the circuit
  • Dedicated circuit run from panel to charger location
Standby home generator installed on a concrete pad beside a house

Generator Installation Near Me

Starting at: Call for pricing

When the power goes out, a standby generator keeps your home running without you lifting a finger. Electrical Service Precision Pros installs whole-home generators that start on their own the moment the grid drops. Call (833) 606-5080 to find the right size for your home.

  • Whole-home standby generator installation
  • Automatic transfer switch wired to your panel
  • Generator sizing based on your actual loads
Modern kitchen with new recessed and pendant lighting

Lighting Installation Near Me

Starting at: Call for pricing

Good lighting changes how a home feels and how it works. Electrical Service Precision Pros installs recessed lights, pendants, under-cabinet lighting, dimmers, and smart switches — wired cleanly and safely to code. If you're switching the whole house to LED, we help you pick fixtures that actually flatter each room.

  • Recessed, pendant, track, and under-cabinet lighting installation
  • Dimmer switches and multi-location (3-way and 4-way) controls
  • Full LED conversions that cut lighting energy use
Electrician installing a modern GFCI outlet into a wall

Outlet & Switch Installation Near Me

Starting at: Call for pricing

Two-prong outlets, dead outlets, switches that spark — small annoyances that usually point to something worth fixing. Electrical Service Precision Pros adds, replaces, and relocates outlets and switches, upgrades kitchens and baths to GFCI protection, and installs USB combo outlets where you charge everything. Every device is wired to code and tested before we leave.

  • New outlet and switch installation anywhere you need them
  • GFCI protection for kitchens, bathrooms, garages, and outdoors
  • AFCI protection for bedrooms and living areas where required
Smart thermostat and light switches glowing in a modern living room

Smart Home Automation Near Me

Starting at: Call for pricing

Smart home tech is only smart when it's installed right — neutral wires where they need to be, strong coverage where it counts, and everything talking to one app instead of six. Electrical Service Precision Pros installs smart switches, thermostats, doorbells, locks, and voice-controlled lighting, wired and configured to work together. Already have a box of gadgets that won't cooperate? We sort that out too.

  • Smart switches, dimmers, and outlets with proper neutral wiring
  • Video doorbells, smart locks, and security camera wiring
  • Smart thermostats installed and configured
Newly installed smoke and carbon monoxide detector on a hallway ceiling

Smoke & CO Detector Installation Near Me

Starting at: Call for pricing

Detectors only save lives when they are in the right spots, wired together, and not past their prime. Electrical Service Precision Pros installs interconnected smoke and carbon monoxide detectors so the whole house hears the alarm. Call (833) 606-5080 to bring your home's detection up to date.

  • Interconnected smoke and CO detector installation
  • Hardwired units with battery backup
  • Placement planned for bedrooms, halls, and living areas
Electrician pulling new cable through wall framing during whole-house rewiring

Whole House Rewiring Near Me

Starting at: Call for pricing

Homes wired decades ago with aluminum wiring, knob-and-tube, or brittle cloth-insulated cable weren't built for today's electrical loads. Whole-house rewiring from Electrical Service Precision Pros replaces aging wiring with modern copper, adds grounded outlets where you need them, and brings the entire system up to current code. We plan the work room by room to keep disruption — and drywall repair — to a minimum.

  • Replacement of aluminum, knob-and-tube, and cloth-insulated wiring
  • New grounded outlets and dedicated circuits throughout
  • Code-compliant panel, grounding, and bonding upgrades
Surge protection device installed beside breakers in an open electrical panel

Whole House Surge Protection Near Me

Starting at: Call for pricing

Power surges do not just come from lightning — everyday grid switching sends small spikes through your wiring. Electrical Service Precision Pros installs whole-house surge protectors at your electrical panel to shield everything downstream. Call (833) 606-5080 to add a layer of protection to your home.

  • Whole-house surge protector installed at the main panel
  • Point-of-use protector options for sensitive electronics
  • Grounding system check during the visit
Electrician upgrading a home breaker panel
Why Portsmouth Picks Electrical Service Precision Pros

Built for the coast and its old houses

•Historic-district know-how: We rewire colonials and brick townhomes without wrecking original fabric. We know what the Historic District Commission expects and how to work within its rules.
•Coastal-climate planning: Salt air eats outdoor panels, meters, and fixtures. We specify corrosion-resistant equipment and mount it to survive the Seacoast.
•Flood-smart placement: Basement flooding is a fact of life this close to the river. Our answer is elevation — panels and critical gear go above the water line, with wiring rated for wet locations.
•Storm readiness: Nor'easters and ice storms take the power out. We set up generators on proper transfer switches and guard the panel with whole-home surge protection for the spike when power returns.
•Honest assessments: Testing comes before talking. If the rewire can wait but the panel can't, you'll hear exactly that from us.
•Clean, surgical work: We open walls minimally, fish wire where we can, and leave the house as we found it — usually cleaner.
•A single call covers it all: troubleshooting, panels, rewiring, lighting, EV chargers, and generators — the full electrical scope, one team.

What Goes Wrong Electrically in a 400-Year-Old Port City

Salt air corrosion of outdoor electrical gear

Salt air is brutal on outdoor electrical equipment. Meter sockets, panels, AC disconnects, and exterior fixtures corrode far faster here than they do inland, and corrosion builds resistance, resistance builds heat, and heat starts fires. We replace failing outdoor gear with corrosion-resistant equipment rated for marine environments. We also seal penetrations and mount hardware to shed water. Along the Seacoast, the right outdoor equipment isn't a luxury — it's the difference between a panel that lasts and one that rots.

Basement flooding and storm surge damage

When high tide blocks the storm drains, the Piscataqua has nowhere to go but up — and into basements. Even Strawbery Banke's historic buildings take on brackish water in their cellars during bad storms. Flooded wiring, panels, and devices can't just be dried out — saltwater damage means replacement. We elevate panels above known flood levels, relocate critical equipment, and use wiring methods suited to damp locations. After a flood, we test everything before a single breaker goes back on.

Rewiring colonial-era homes under historic rules

Rewiring a house from the 1700s is nothing like wiring new construction. Original plaster, hand-hewn framing, and historic trim can't be ripped out and replaced. Portsmouth's Historic District Commission also has rules about what you can alter. We open walls surgically, fish wire through old framing, and restore every surface we disturb. The house keeps its 1790 face and gets a modern electrical system behind it, with permits and commission requirements handled as part of the job.

Nor'easter outages and restoration surges

Nor'easters and ice storms knock out power along the Seacoast, sometimes for days. Then the restoration surge fries whatever was left plugged in. The December 2008 storm is still the benchmark here — the worst outage the region had ever seen. We install generators with proper transfer switches so your heat stays on safely, never backfeeding the grid. Whole-home surge protectors at the panel handle the spike when power returns.

Undersized panels in brick townhomes

Downtown's 19th-century brick townhomes were wired for gaslight-era loads and upgraded piecemeal ever since. Many still run on panels with no room for modern life: induction ranges, heat pumps, home offices, and EV chargers. We calculate the real load and upgrade the service to match, often without disturbing the historic facade. The brick stays, the plaster stays, and the electrical system finally catches up with the century.

Ungrounded outlets and missing GFCI near water

Early wiring predates grounding, and plenty of Portsmouth homes still have ungrounded outlets in kitchens and bathrooms. Near water — sinks, tubs, and especially flood-prone basements — that's a shock hazard. We add proper grounding, install GFCI protection everywhere water is present, and give major appliances dedicated circuits. In a coastal city where water finds its way inside, this is one of the most important safety upgrades a homeowner can make.

How a Job Runs, Start to Finish

1

Reach out and describe it

Get in touch and tell us what's wrong in your own words — a dead outlet, a corroded panel, tripping breakers, or a project on your wish list. We'll ask a few pointed questions so our electrician arrives with the right gear. Anything sparking, smoking, or smelling hot goes straight to the front of the line.

2

On-site evaluation

We arrive, test the circuits in question, and open the panel to see the real story. In a historic home we also study how the structure itself is put together, so the remedy fits the building. Then comes a plain-English explanation of the issue, your options laid out, and our honest recommendation.

3

A plan that respects the house

Every house gets a plan that fits it. A colonial needs surgical rewiring that preserves plaster and trim. A waterfront condo needs corrosion-resistant gear. A flood-prone basement needs equipment moved above the water line. We design the work around your house, your load, and the local rules — then price it straight.

4

Permitted, careful work

We pull the city permits and handle Historic District Commission requirements where they apply. Then we do the work carefully: protected floors, minimal openings, fished wire wherever possible. Everything goes in to current code, labeled at the panel, and built for salt air and storms.

5

Testing and walkthrough

We finish by testing every circuit and device under real load. Then we walk you through the changes at the panel, so you can see exactly what feeds what. When the city requires an inspection, we set it up and meet the inspector. You get a safer house and a clear record of the work.

Client Experience

What to Expect Working With Us

"Our colonial predates the light bulb by a century, and the wiring proved it. They fished new wire through the old framing, barely opened the plaster, and left every room looking untouched. The inspector praised the panel work. It feels like a new house wearing an old house's clothes."

- South End homeowner

"Salt air had eaten our outdoor disconnect and half the exterior fixtures. They replaced everything with marine-rated gear and sealed it all properly. Two nor'easters since, and everything still looks brand new. Should have called them years ago."

- Waterfront condo owner

"Our basement takes water in big storms, and the old panel sat right in the flood zone. They moved the panel upstairs, elevated everything critical, and added GFCI protection throughout. Last storm the basement got wet and the power stayed on. That panel move was the smartest money we have spent on this old house."

- Homeowner near Strawbery Banke

Serving Portsmouth and the Seacoast

Our home port is Portsmouth, and we work the whole city, from Strawbery Banke and the downtown historic district to the South End and the neighborhoods along the Piscataqua daily. The brick townhomes near Market Street, the South End colonials, and the salt-weathered capes farther out all receive the same careful treatment from our experienced crews on every single visit. We also serve the nearby Seacoast towns, including Rye, New Castle, Newington, Greenland, and Kittery just across the bridge, where coastal homes face the same salt and storms here year-round. Eversource wires the Seacoast and nor'easters test it every single year, so this team keeps its promises to you: on time, every time, guaranteed in writing, no exceptions ever, period. Corroding panel, wet basement, or plans for a generator or charger — call (833) 606-5080 and we'll roll a truck out fast and get the job done right, guaranteed today, period.

Service Areas by ZIP Code

We provide professional Electrician services in the following ZIP codes

03801
03802
03803
03804

Don't see your ZIP code? Contact us to verify service availability in your area.

Frequently Asked Questions

There's no chart for this — the job itself determines it. Scope, the age and condition of the existing wiring, and how reachable the panel and walls are shape the quote. Materials, permits, and whether it's an emergency call or scheduled work factor in as well. Rewiring a colonial with plaster walls is a different job than swapping a panel in a newer home. The only straight answer comes from seeing the house in person — call (833) 606-5080 and we'll assess your situation and explain what it takes.
Up to and including the meter, the system is Eversource's: lines, poles, service drop, and meter. Once you're past the meter, it's all yours: the panel, the breakers, and every wire inside the walls. A dark street means calling the utility. A dark house, or just a few dead circuits, means calling us. Reach (833) 606-5080 and we'll track down the problem.
In nearly every case, yes. Portsmouth requires permits for panel upgrades, new circuits, service changes, and rewiring, plus an inspection when the work is done. Historic district projects can also trigger Historic District Commission review. We take care of the permits and the commission paperwork ourselves. Everything stays legal and documented for the day you sell.
Green crust on terminals and rust on the panel or meter box are early warnings. So are outdoor fixtures that fail years before they should. Inside the house, flickering lights and warm breakers mean corrosion may have reached the connections. We replace compromised outdoor equipment with corrosion-resistant gear rated for marine air, and catching it early keeps it a panel swap instead of a whole-system chase.
Start with what must stay on: heat, refrigeration, sump pumps, and a few lights, since Portsmouth's flood risk puts sump pumps on the list for many homes. A portable generator with a manual transfer switch covers the essentials. A standby unit with an automatic switch covers more and starts itself. The transfer switch is mandatory either way — it keeps generator power off the grid and lineworkers safe. Call (833) 606-5080 and we'll pick the right generator for your home.
Yes, with the right planning. The challenge in a historic home is routing the circuit without harming original fabric. We fish wire through existing framing, use surface-mounted raceways where appropriate, and keep the charger on its own dedicated breaker. When the panel is full or the service runs short, we add capacity first. The car charges overnight and the 1790 plaster never knows.
It depends on the flood. Wiring, devices, and panels soaked in brackish water generally can't be salvaged — salt destroys conductors and connections from the inside. Everything the water touched needs evaluation, and most of it needs replacement. We test every circuit, replace what's compromised, and elevate the new equipment above the flood line. Don't just flip the breakers back on after a flood — call (833) 606-5080 first and we'll make it safe.
Routine jobs typically book within a few business days. True emergencies — sparking, smoking, burning smells, partial power loss — go straight to the front when you call (833) 606-5080. After nor'easters and ice storms we stay open late. That's when Seacoast homeowners need an electrician most.

Electrician Service Area in Portsmouth, New Hampshire

We provide fast and reliable Electrician services throughout Portsmouth and surrounding areas. Call us about emergency repairs and installations and we will explain the next steps.

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Call (833) 606-5080