I would like to convert my father in laws garage into an apartment. The garage right now is a typical standard one car garage. I would need a full bath and kitchen. I was wondering how much it would cost to install water lines, and drains. Can the water come from the main house? Would it be more expensive to have the bath and kitchen on completely opposite sides of the garage? How much would it cost to hook up to the sewer? I will do most of the other work myself but I know that this is not something just anyone can do! Any info appriciated, thanks!:)

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Originally Posted by vegetablelasagn

I would like to convert my father in laws garage into an apartment. The garage right now is a typical standard one car garage. I would need a full bath and kitchen. I was wondering how much it would cost to install water lines, and drains. Can the water come from the main house? Would it be more expensive to have the bath and kitchen on completly opposite sides of the garage? How much would it cost to hook up to the sewer? I will do most of the other work myself but I know that this is not something just anyone can do! Any info appriciated, thanks!:)

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You neglected to include a set of plans. Plus your area, plus the local wages if you need to hire a plumber. It's impossible to estimate a job without being on site to see for yourself. Each remodel's different. Regards, Tom

My estimate... between 100 and 20,000 dollars, give or take.

What I'm saying is this... you will most likely have to bring in a plumbing contractor to size up your situation. If any one here gives you a serious estimate from the info you have given, I would seriously recommend not taking their advice.

Here is my advice, call 3 contractors and ask for their bids. Now there is no guessing and you aren't obligated to hire any of them. This is the highest accuracy you can get since we aren't on site. If a contractor gives you a great price, hire him, if not then DIY. They will all break out materials for you. My very broad ballpark would be $10K to $15K with you doing the work. Don't forget HVAC and power needs to be added, can your existing panel carry that load too?

Ball, your not the one giving a serious estimate, are you? Lol

Actually ballengerbs advice is great.

I realize you plan to do most of the work yourself except for plumbing. So I would still recommend calling only the contractors you will need help from(plumbing, electrical, etc). If you have a handle on carpentry, flooring, electrical, etc, etc, just have a plumbing business give the estimate for their work.

Thank you guys, I guess there really is no way to estimate with out calling a contractor to come look at it. I quess I thought that some things basically cost x to do.

Please do let us know what the contracors estimate is, in detail. Good luck and hope your project goes smoothly.