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Question DetailsAsked on 10/21/2016

Approx cost to add an economical 3/4 bathroom to the garage where the laundry hook ups are?

Garage is on a concrete slab but the attached house is raised so the plumbing is accessible thru the garage wall to under the house where the main lines run. The laundry hook ups are in the garage as is the water heater and the garage borders the kitchen. Curious to know what a usable, reliable but economical 3/4 bath would run? This would be undone in a few years once the house goes on the market so no frills accessories for it.

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With easy access to pipes like that, especially if the sewer line is accessible in the crawlspace (easy to dig down to near where laundry drain is for instance, so concrete cutting is not needed), I would expect something in the $5-10,000 range complete (normally closer to $10K end for 3/4 or full bath), using off-the-shelf box store quality fixtures. Mid-range finishes and fixtures, more commonly in the $20-30,000 range probably.
Do check on building code restrictions - even if you plan on tearing it out if home buyer does not want it when you well, because in many areas (mostly urban) this would be illegal under provisions that require a certain number of car functional garage with certain number of bedrooms - so regulated to limit street parking in many larger cities, and also for aesthetics in some subdivision covenants. Also on building code restrictions - some areas do not allow a living space room to have access from/into the garage, so it may be required to have the access door from the house living space rather than through the garage - basically extending the house living space into the garage with the bumped-out bathroom being built with garage-rated firewall protection around the outside of the bumpout into the garage. A Remodeling - Kitchen and Bath contractor is probably what you want to do the work - will likely need a plan from an architect (some contractors will arrange for this too if desired) to be able to get a building permit.

Answered 4 years ago by LCD

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