Call us now and we'll work to schedule a technician the same day, across every trade we handle.
Book A ServiceWiring & Rewiring Services in Salem, NH
Residential & Commercial Electrical Wiring
Cornerstone Services provides electrical wiring services for residential and commercial clients in Salem, NH and across southern New Hampshire and northern Massachusetts. Whether you need wiring installation for a new build, a full rewiring of an older property, or repairs to a system that isn’t performing safely, our licensed and insured electricians are available. We’ve earned more than 1,250 five-star reviews across Google, HomeAdvisor, Facebook, and Yelp, and we back every job with a signed workmanship warranty and flat per-job pricing so there are no surprises at completion.
Same-day service is available for local property owners who need help quickly. Call us now at (603) 874-1402 and we’ll work to get a technician out to you today.
Electrical Wiring Services for Homes & Businesses in Salem
Our electrical wiring work covers the full range of residential and commercial needs. For new construction and renovation projects, we handle wiring installation from the ground up, making sure every circuit, outlet, and connection meets current National Electrical Code (NEC) standards before the walls close. For existing properties, our rewiring services address outdated or unsafe wiring systems that can’t support modern appliance loads or no longer meet current safety codes.
Beyond installation and rewiring, we perform a broad set of supporting electrical services:
- Panel installation and upgrades
- GFCI outlet installation
- Circuit breaker repair and replacement
- Fuse box-to-circuit-breaker conversions
- Switch and outlet repair
- Surge protection installation
- Indoor lighting installation
- Electrical safety inspections
Commercial clients across the region, including retail spaces, offices, and other business properties, often have different demands than residential work. Commercial wiring typically requires higher-capacity panels and circuits to support equipment and operations, and our team is equipped for that scale. Whether you’re outfitting a new commercial space or upgrading an existing one to reduce outages and meet code, we bring the same flat-rate pricing and workmanship warranty to every commercial job.
Signs Your Salem Property May Need Wiring Service
Wiring problems aren’t always obvious until something fails, but a few warning signs are worth taking seriously before they become hazards.
Watch for any of the following:
- Frequent breaker trips: Constantly resetting a tripped breaker points to an overloaded or outdated wiring system that can’t handle current demand.
- Flickering or dimming lights: If lights dim when an appliance kicks on, that’s often a sign of loose connections or insufficient circuit capacity.
- Warm outlets, scorch marks, or crackling sounds: Any of these from a switch or outlet signals a potentially dangerous wiring condition that needs immediate attention.
- Frayed wiring or two-prong outlets: Ungrounded two-prong outlets and visibly deteriorated wiring are indicators that a rewiring evaluation is overdue.
- Older properties without recent electrical work: Homes and businesses more than 30 to 40 years old that have never been rewired may not meet current NEC standards and should have an electrical safety inspection.
If you’re seeing any of these signs at your Salem property, don’t wait. Call Cornerstone Services at (603) 874-1402 and we can schedule a same-day assessment.
Why Salem Property Owners Choose Cornerstone Services
There are real, documented reasons our clients keep coming back and referring us to their neighbors. Here’s what you can count on from every job we take:
- 1,250+ Five-Star Reviews: Our track record spans Google, HomeAdvisor, Facebook, and Yelp, built one completed job at a time.
- Per-Job Pricing: We quote by the job, not the hour. The number we give you is the number you pay at completion, no adjustments, no hourly overruns, no hidden fees.
- Signed Workmanship Warranty: Every job is backed by a signed warranty under our quality assurance policy, giving you documented protection on our work.
- Same-Day Service Available: Call us and we’ll work to get a technician out the same day.
- On-Time Arrivals: Our service vehicles are staged on-call from multiple locations so you’re not left waiting on a technician who’s hours away.
- Background-Checked Workers: Every technician sent to your property has passed a background check before arriving.
- One-Call Multi-Trade Coverage: Electrical, plumbing, HVAC, cleaning, and handyman services are all available through Cornerstone Services. When a wiring job uncovers a related issue in another trade, you don’t need to find and schedule a separate contractor. We handle it under the same warranty and pricing structure.
- Financing Available: Ask about current financing options when you schedule.
- Clean Job Sites: Our technicians clean up completely after every job.
- 24/7 Availability: Our staff are reachable around the clock for scheduling, questions, or urgent needs.
- Monthly Promotions: We run rotating special offers each month so you can save on scheduled services.
Licensed and insured. Contact Cornerstone Services at (603) 874-1402. Same-day appointments are available for Salem residents and businesses who need electrical wiring service without the wait.
The Cornerstone Difference: Built on Trust. Backed by Service.
The service standards behind the thousands of positive experiences our customers share year after year.
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Flat-Rate Pricing
The price you're quoted before the job begins is the price you pay at completion, no hourly adjustments, no surprise charges.
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On-Time Arrival
Service vehicles are staged at multiple locations so we show up when we say we will, not hours after your window closes.
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Signed Workmanship Warranty
Every job comes with a signed warranty under our quality assurance policy. You get a written record of what the work covers.
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Background-Checked Workers
Every technician passes a background check before they step onto your property, regardless of the trade or type of job.
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Same-Day Scheduling
Call us and we'll work to get a technician out the same day. Our on-call staff is available 24 hours a day, every day of the week.
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Clean Job Sites
Your home or business will be left clean when we're done. Technicians are responsible for cleaning up after every job, no exceptions.
1,250+ Five-Star Reviews & Counting
We let our work speak for itself. From quick repairs to major installs, our customers say it best.
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Paul Quinn did electrical work for me and he was the best!Nicola Sullivan
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Michael with Cornerstone Services was excellent to work with.Jamie Fasbender
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He was very professional and explained all that he was doing.Mary Duford
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Showed up as agreed and was very informative.John Cote
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Fast response and very professional.Anne Butterworth
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On time. Thorough. Kind. Positive attitude in this awful heat.N N
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Cornerstone came promptly and fixed them.Marilyn Frank
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He and his partner PJ worked quickly and efficiently to solve a dryer vent issue we had been experiencing.Pierre Thelusma
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Took care of our electrical needs with ease!Peter Larocque
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He was quick, thorough, professional, and made sure everything was done right.Jess Nichol
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10/10 experience and so happy we got in touch with him and this company!Anthony Capozzi
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They were so neat, you would never know there was a problem.Bill Mullen
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Paul is always friendly, polite, and professional.Cindy Marcin
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Paul was efficient and expert at correcting the problem and ensuring all was well.Woodrow Cook
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He went above and beyond for me when some unforeseen issues arose with my bathtub install.Susan Hevey
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Tech was on time, friendly, and competent.Vincent JJ Balukonis
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He was very thorough and quickly corrected the issue.Gary Chisholm
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Josh was very prompt with his services and explained things clearly.Kim Mcanany
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Arnold is a pleasure to work with.Esther Bradbury
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Jason is always great and knowledgeable and friendly.Mark Duell