Electrical work in Marlborough is rarely just about the fault in front of you. It's about the wiring behind it. OSB looks at both, tells you what's urgent and what can wait, and prices it plainly.
Each service below has its own Marlborough page with local detail, pricing guidance and dispatch.
No power, sparks, burning smell
CKT 02100A to 200A service, breaker boxes
CKT 03Knob-and-tube and aluminium replacement
CKT 04Level 2 and Tesla Wall Connector
CKT 05Standby and whole house backup
CKT 06Recessed, outdoor, LED retrofit
CKT 07GFCI, USB, dedicated circuits
CKT 08New boxes, remotes, high ceilings
CKT 09Automation, structured wiring, hubs
CKT 10Offices, retail, restaurants, warehouse
CKT 11Troubleshooting and fault finding
CKT 12Panel-mounted surge protective devices
OSB dispatches across Marlborough, its neighbourhoods and the surrounding Massachusetts towns.
The things we treat as non-negotiable on every Marlborough job.
Flat pricing quoted before the work starts. Same-day and next-day slots available across Massachusetts.
“They found a loose neutral that had been slowly cooking our appliances for years. Nobody else even looked for it.”
“Called at 11pm when half the house went dark and an outlet was making a noise I'd never heard before. Someone was at the door in under an hour and had it isolated before midnight.”
“They rewired our restaurant kitchen overnight so we never closed a single service. That mattered more than the price, honestly.”
Most Marlborough service calls are scheduled same-day or next-day, and emergency calls are dispatched around the clock. Call (833) 652-8933 and we'll give you a real arrival window before we hang up.
Yes. The same Marlborough crew that swaps a dead outlet also rewires whole houses, upgrades service panels, and wires new commercial fit-outs. Nothing is too small to book.
Small repairs and diagnostics typically start in the low hundreds; larger jobs like panel upgrades or rewires are quoted flat after we see the work. You get the number before anything starts.
We do. OSB covers Marlborough proper, its neighbourhoods, and the surrounding Massachusetts towns — the whole state is inside our service area.
Older housing stock is most of what we see in Massachusetts. Knob-and-tube, cloth-wrapped wire, fuse boxes and aluminium branch circuits are all routine work for us.
Yes — OSB runs a 24 hour emergency electrician service in Marlborough. Call (833) 652-8933 at any hour and a dispatcher will send help.
We cover Marlborough and its neighbourhoods, plus every surrounding town in Massachusetts. If you can find your town on our locations page, we dispatch there.
One protects people. One protects buildings. They are not interchangeable.
ReadGUIDESizing, fuel, transfer switches, and the honest answer on whether you need whole-house coverage.
ReadGUIDESpacing rules, colour temperature, and the mistake that makes a ceiling look like an airport.
ReadNo power, sparking outlet, burning smell or a breaker that won't reset in Marlborough? Our line is answered 24 hours a day.