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Question DetailsAsked on 4/10/2016

cost for 200 amp service in new garage

new garage 56 x 30
with 14 x 30 attic. wiring , outlets , lightning ,220outlets (3)

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1 Answer


You need to sketch out the outlets you want and the amperage you intend for each to handle, and also which loads in the garage should be expected to be used simultaneously - like near all lights, maybe an exhaust or shop vacuum system, and at least the largest of the 220 items - maybe more than one if one is an oven or air compressor for instance, or if two people will be working in there at a time. With the size you have, and especially if the attic is functional (not just vacant or storage-only) you will have an unusual number of lighting circuits for a garage - probably 2-3 instead of one.

Then get bids from several electricians.

Depending on your existing building service and utility service drop / meter capacity, this might be in the ballpark of $1500-3000 range in the normal case in a house with adequate service capacity, including presumably a separate garage sub-panel considering the number of 220V loads - unless a couple of them are for water heater and electric furnace so normal 220V loads for a breaker panel (for an electric house).

If the incoming service drop or meter has to be upgraded as well, then can commonly run more into the $3000-5000 range. If you are talking a dedicated 200A service for the garage in addition to normal house panel loads, then I would be expecting around $3000 minimum.

This does not include any repair / repainting of drywall if that is already in.

Answered 4 years ago by LCD

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