Check to see if any utility company such as phone, cable or even electric companies used a water pipe anywhere on your house as a ground. If so the electrolysis and Eddy currents in your copper pipes will cause pin hole leaks over time. My house had to be replumbed as a result.

Pipes
 

You may have copper or polypropylene (which is gray plastic) what comes out of the wall is not a 100 percent indicator. Polypropylene does degrade if chlorine or chloramine is present in the water. I had to replumb my Palm Harbor home to sell it a year ago as insurance companies will not insure a home with polypropylene pipes. Cost was $8000.00. Have a professional check difinitivly what is in your walls.

Pipes
 

If cpvc is used (tan not white plastic) it's glued. If Pex is used it's crimped

They mine phosphate in Florida. Very corrosive to copper. May not be bad up here but in Polk and Hillsboro counties there is a problem

Sounds like someone trying to gin up a big plumbing job.
Kinda like replacing 25 & 30 year type shingles at 25 years.......

...CORRECTION.... 15 years.......

many small leaks due to chemical interaction w/ usually excess flux left at jnts water flow itself, & accompanying turbulence is sufficient to cause pinhole leaks a number of materials. Twice I had to replace the copper water service line from the street and under my concrete garage floor to my equipment room. we always sleeved copper pipe ran through a conduit that added to the deteriation. The second replacement was with a sturdy, blue plastic pipe (poly butylene ???) and since had had no problems. Nothing is worse than hearing running water outside the house and cannot find the source. In the plus side all the leaking water was before my water meter. Goid luck![/QUOTE]

Don't know where you live exactly, but our water in the villages is very basic (no acidity), I can not believe the copper pipes can be an issue. Our second home in Maryland has very acidic water from a well, which corrodes everything. I've replaced our water heater 4 times, water tank 5 times all because of acidic water. Seriously doubt most Florida waters will have a negative impact on your pipes. I would start with a water test (can get this vis Lowes or Home Depot) to determine if acidity level is an issue. Costs $15-$30. Don't get dupped!!!

Copper pipes
 

Get estimates and change it NOW before u have a serious flood. Friends of mine lost most of last season due to a flood because this pipes had several leaks. There problem was from inferior Chinese copper pipes. There home is also in your area.
There’s a chemical reaction between copper and the lime in concrete. That’s one problem the other is iron the ur water supply. Iron and copper don’t mix. Your pipes will develop small pin holes that could take weeks to detect.

The way to solve your issue is to replace copper with Pex piping. The replacement procedure is to run the piping over head through the attic crawl space and then down inside

Bad water ate through copper pipes in a home we owned in the Panhandle. This is not an expert opinion, but the water seems of better quality in The Villages. The water we had in the Panhandle actually tasted bad.

Shut off valve & Copper Pipe
 

First, call Home Warranty they can give you honest answers to both of your questions!

Second, my cousin lives in Oveida, near Orlando, he had to replace all of the interior copper plumbing in his entire house a few years ago. It has nothing to do do with burying the copper pipes or poor workmanship. I think his homeowners insurance paid for all or most of the cost, but I’m not sure.

Once you confirm you have a potential problem, aka a second opinion, contact your insurance company. Depending upon you policy this maybe a covered event.

Good luck.

You're correct
 

We have a site-built home on the historic side that was done with copper piping. The home is 30 years old. We developed a leak under the slab which was the result of the copper deteriorating because of it's reaction with the concrete. We had two options:

1. Repair the leak; i.e. dig it up, repair the leak, replace the damaged concrete, and return to the original esthetics. That was covered by insurance.

2. Replace the entire system with the appropriate pvc piping. We elected this option and the house was re-piped through the attic. As for salvaging the copper, it was simply left in place.

It was quite an expensive procedure, but necessary. We also elected to have a re-circulation system installed so we could avoid the delay in getting hot water to the far reaches of the home. Interestingly, we now get quick hot water whether the pump is running or not.

We hired Kiley in Lady Lake; they did a fine job.

Copper pipes
 

Home owners insurance usually pays for the damage not the cause. Meaning flood damage insurance pays repiping home homeowner flits the bill.

Here is an article on copper tubing and reference to some problems. Note: While I’ve heard of this I’ve never experienced it.
Why Do Copper Pipes Get Pinhole Leaks in Florida? – Cool Today

Pex
 

PEX is the latest "plastic" piping. And it is indeed crimp clamped at fittings.
Also not really "plastic" but percieved as such by many.

Google "pex", you'll be amazed at the info there.
Also, take a look at "pex manifolds".

These represent the modern day plumbing solutions.

They work great, by the way.