The rent is cheap and they are in every community. The local government pays for the use. And only auxiliary buildings, not the main house of worship, are utilized. At least in my local experience.
THE SEPARATION OF CHURCH AND STATE IS A BEDROCK OF AMERICA. THIS IS NOT A PEANUT BUTTER CUP SITUATION; ONE DOESN'T MAKE THE OTHER BETTER. KEEP YOUR RELIGION OUT OF MY GOVERNMENT, AND I WILL KEEP MY GOVERNMENT OUT OF YOUR RELIGION.