Expert Electrician Services in Lexington, Massachusetts

Lexington pairs revolutionary-era history with some of the area's most desirable neighborhoods — antique colonials near the Battle Green, mid-century houses along the Minuteman Bikeway corridor, and established streets in between. Electrical Service Precision Pros works across 02420 and 02421: panels, lighting, EV charging, and rewiring. Call (833) 606-5080 for an honest assessment.

(833) 606-5080

Content last reviewed September 28, 2026

Electrician in Lexington, Massachusetts

Lexington's identity starts at the Battle Green, and the streets around it hold some of the oldest houses in the country — 1700s colonials and Georgians that have been continuously lived in and continuously rewired for three centuries. Massachusetts Avenue runs through the center past shops and historic sites, while the Minuteman Bikeway traces the old rail bed through neighborhoods that filled in during the 1900s. Farther out, the post-war decades added Capes, ranches, split-levels, and gracious colonials on larger lots.

The antique houses are a world of their own electrically. Wiring installed in the 1910s, updated in the 50s, extended in the 80s — all inside plaster walls and old-growth framing that you don't cut casually. These houses deserve an electrician who fishes rather than demolishes, and who understands that the goal is safety without sacrificing the building's character.

The mid-century neighborhoods bring the capacity story. A 1960s colonial with its original 100-amp panel was built for a different electrical era — no central air as we know it, no home office, no EV in the garage. Today's owners run all of that, and the panel is the bottleneck. Additions over the years — family rooms, finished basements, dormers — layered more load onto the same tired service.

Lexington's tree-lined streets are beautiful and hard on overhead service drops. Mature oaks and maples shed limbs in every nor'easter, and the service entrance takes the beating. We see a steady stream of weatherhead and mast repairs after big storms, along with the flickering-light complaints that mean a loosened neutral.

The town's affluence shows in the wish lists: whole-house lighting design, serious home offices, EV chargers for two-car garages, generators that keep everything running through outages, and smart-home systems that need clean, reliable power underneath. We do all of it, sized honestly.

Whatever the house and whatever the project, the approach stays grounded: look at what's really there, explain it plainly, and do the work right. No jargon, no pressure.

Our electrician team at work on a home service call

Your Electrician in Lexington

Three centuries of houses, one standard of work

Few towns ask more of an electrician than Lexington. The antique colonials near the Green need plaster-friendly rewiring and preservation-minded methods; the mid-century streets need panel upgrades and capacity planning; the larger homes want lighting design, EV charging, and generators done to a high standard. Electrical Service Precision Pros handles all three, because we've spent years in houses exactly like these. We read the building first — its era, its additions, its actual loads — then give you a straight plan in plain language. Homeowners here are detail-oriented, and we like it that way: labeled panels, documented work, and a walkthrough that answers questions before you ask them.
  • •Preservation-minded rewiring: antique plaster and old framing get fished cable and patched openings, never gut jobs.
  • •Capacity expertise: 200-amp upgrades and load calculations sized for the household you're actually building.
  • •Lighting design: layered, dimmable, flattering — designed for the architecture, not the catalog.
  • •Storm resilience: service-entrance repairs, surge protection, and generator connections that hold up.
  • •Smart-home readiness: clean, robust power and networking paths for the systems going in now and later.
  • •Meticulous finish: labeled breakers, documented circuits, swept spaces, and clear explanations.

Professional Electrician Services in Lexington, Massachusetts

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 Lexington Homeowners Hire Electrical Service Precision Pros

The difference is in the details

•Antique-house fluency: we work in 1700s and 1800s houses regularly — fishing plaster walls, working around old framing, and upgrading safety without erasing character. It's a specialty, not a sideline.
•Real lighting design: not just cans in a grid, but layered light — ambient, task, accent — with dimmers that work and fixtures suited to the rooms. Your colonial deserves better than a contractor special.
•Honest load calculations: before we say a panel can handle the charger, the heat pump, and the workshop, we do the math on paper and show it to you. No hand-waving.
•Two-EV households planned right: many garages here will charge two cars. We design for that from the start — service size, load management, and conduit placed for the second charger even if you buy it later.
•Generator systems that actually cover you: transfer switches and standby connections sized for what matters, installed so storm season is an inconvenience, not a crisis.
•Tree-damage repairs: after every nor'easter we're fixing weatherheads, masts, and drops under the old oaks. We repair it right and check the grounding while we're at it.
•Communication to match: written scopes, scheduled phases, and explanations in plain English. Detail-oriented homeowners get detail-oriented electricians.

Common Electrical Problems in Lexington

Three centuries of wiring in one house

The antique colonials near the Green often contain wiring from every era since electricity arrived — early cloth-insulated runs, mid-century updates, modern cable from recent remodels, all in the same plaster walls. Some layers were done well; others were done when standards were looser. Sorting it out takes methodical work: mapping what's live, identifying what's deteriorated, and replacing the dangerous runs first. We do this with preservation-minded methods — fishing new cable, small patched openings, and zero gutting — so the house keeps its historic character while the wiring becomes genuinely safe.

100-amp panels in high-demand houses

The mid-century colonials and split-levels mostly have 100-amp service, which was fine when the house had one TV and no air conditioning. Today's versions of these houses run central air, home offices, finished basements, and EV chargers — and the panel is the choke point. Breakers trip on summer afternoons, lights dim when the compressor starts, and there's no room to add the charger circuit. A 200-amp upgrade ends the juggling: new panel, new service entrance, and enough spaces for everything the household runs now plus what's coming next.

Tree damage to service entrances

Lexington's mature street trees are gorgeous and relentless. Every nor'easter drops limbs onto overhead service drops, cracking weatherheads, bending masts, and loosening neutrals. The symptoms range from flickering lights in wind to half the house going dark. We repair service entrances regularly after storms — new mast, weatherhead, drip loop, and a properly torqued neutral — and we check the grounding electrode system while we're there, since storm surges punish weak grounds. If your lights flicker every time the wind picks up, the service entrance is the first place to look.

Ungrounded circuits in old houses

Houses wired before the 1960s typically have no equipment grounding — two-wire circuits, two-prong outlets, and fixtures with nowhere for a fault to go. In a town full of home offices and high-end electronics, that's a real limitation: surge protectors can't do their job without a ground, and metal-cased equipment is less safe. GFCI protection adds a layer of people-safety to ungrounded circuits, but the lasting fix is rewiring with grounded cable. We phase it room by room, starting with offices and kitchens where the electronics live.

Additions that outgrew the panel

Family rooms, dormers, finished basements, and kitchen expansions have been added to these houses for decades — each one adding load to a service that wasn't designed for it. The additions themselves are often wired fine; the problem is the panel they all feed, which is full, tired, or both. We see this constantly: a beautiful renovated kitchen on a 1960s 100-amp panel that's one hair dryer away from tripping. The fix is usually a service upgrade paired with proper dedicated circuits for the addition's big loads, so the renovation performs the way it looks.

Lighting that undersells the house

Gracious houses with a single ceiling fixture per room and no dimmers anywhere — it's the most common lighting complaint in town, and the fix transforms how the house feels. Layered lighting (ambient, task, accent), dimmers that actually dim, and under-cabinet runs in the kitchen make rooms usable in ways one overhead light never will. In antique houses we do it sensitively: period-appropriate fixtures where they show, discreet recessed lighting where it helps, and no damage to the plaster that matters. Good lighting is the highest-impact, lowest-disruption upgrade most houses here can get.

How We Work in Lexington

1

Initial conversation

Call (833) 606-5080 and tell us about the house and what you're considering — a panel upgrade, a lighting project, a charger, or just a nagging worry. We'll ask about the house's age and what you've noticed, then schedule a visit that suits your calendar.

2

Detailed on-site assessment

We open the panel, trace the relevant circuits, and look closely at the wiring in question. In antique houses this means checking which eras are still live; for upgrades it means real load calculations. You see everything with us, explained in plain language with options laid out clearly.

3

Written proposal

You receive a detailed written scope: exactly what's included, the phasing for multi-stage work, and honest pricing. No allowances hiding surprises, no pressure to decide on the spot. Take the time you need to review it — good decisions beat fast ones, and the proposal will still be valid.

4

Meticulous execution

Drop cloths, dust containment, and careful work — especially in old houses, where we fish cable and patch plaster rather than opening walls. Every connection torqued and tested, every circuit verified. We keep the site orderly because detail-oriented homeowners notice, and so do we.

5

Walkthrough and records

We walk you through the finished work, label the panel clearly, and leave documentation of what was done — useful for future work, insurance, or resale. Then we sweep up thoroughly. Questions afterward are always welcome; we'd rather answer them than have you wonder.

Client Experience

What to Expect Working With Us

"Our 1760s colonial had wiring from every century since. They mapped it all, replaced what was dangerous, fished everything through the plaster, and the house looks untouched. Extraordinary care."

- Homeowner near the Battle Green

"Panel upgrade to 200 amps plus two EV chargers with load management. They showed us the load calculations on paper before we committed. Everything works exactly as promised."

- Homeowner in a 1960s colonial

"A limb took down our service drop in a nor'easter. They had the weatherhead and mast replaced and power restored quickly, then added whole-house surge protection while they were at it. Thorough."

- Homeowner off Massachusetts Ave

Proudly Serving Lexington, MA 02420 & 02421

We cover both Lexington ZIPs — 02420 and 02421 — from the Battle Green and the historic streets around the center, along Massachusetts Avenue and the Minuteman Bikeway corridor, to the mid-century neighborhoods and established colonial streets throughout town. Near the Green, the work is preservation-minded: phased rewiring fished through plaster, safety upgrades that respect 18th-century construction, and lighting that suits the architecture. In the post-war neighborhoods, it's capacity and modern life: 200-amp upgrades, two-EV charging setups, home office circuits, and generators for storm season. The tree-lined streets everywhere mean we stay busy with service-entrance repairs after nor'easters, plus surge protection to guard against what the storms send down the line. Whatever era your house comes from, the method matches the building — preservation-minded fishing and patching for the antiques, straightforward capacity work for the mid-century streets. Over the town line? Call (833) 606-5080 and we'll tell you straight whether we can help.

Service Areas by ZIP Code

We provide professional Electrician services in the following ZIP codes

02420
02421

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

Frequently Asked Questions

Yes — that's a specialty. We fish new cable through existing plaster walls and use small, patched openings. The house keeps its historic fabric; only the wiring changes. It's slower than new construction, but the results are worth it.
Usually a 200-amp service (we verify with a load calculation), two charger circuits, and load management so they share capacity intelligently. We also run conduit for the second charger during the first install if you're starting with one.
If wires are down, stay clear and call the utility first. Then call us — we replace weatherheads, masts, and damaged drops, check the neutral and grounding, and get you safely reconnected. Flickering in wind always deserves inspection.
Often not, once you add up the heat pump, existing loads, and everything else modern life requires. We do a proper load calculation with your actual equipment — then you'll know for certain instead of guessing.
Layered lighting: recessed or period-appropriate ambient light, task lighting where you work, and accent lighting for the architecture — all on dimmers. It's the single biggest feel-of-the-house upgrade most homes here can make.
A portable with a proper transfer switch covers the essentials for most outages. A standby unit covers everything automatically. It depends on how often you lose power and what you can't live without — we help you think it through honestly.
Which wiring eras are still live, panel age and capacity, grounding throughout, and the condition of addition wiring. Antique houses reward a dedicated electrical assessment — general inspectors miss too much in buildings this old.
No — the panel lives in the basement or utility area, and the visible changes are new devices and fixtures that we choose to suit the house. The historic rooms look the same, just safer and better lit.
Slight, brief dimming is common; pronounced or lingering dimming means the service or that circuit is near its limit. In these houses it usually points to a panel that's ready for an upgrade.

Electrician Service Area in Lexington, Massachusetts

We provide fast and reliable Electrician services throughout Lexington 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