[villagetinker]

Glad you are asking these questions after the rain today i would be surprised if you would not get water in your house due to your proposed changes. Have stated this, check your back yard there may be a drain already installed, if so, I guess you could direct water to this drain. Typically paving bricks or pavers are installed over compacted clay and sand, and then (I forgot the name) material is used to set the bricks or pavers in place. The result is a relatively water-resistant surface, if too much water gets through it will wash away the substrate and you will have problems. While I understand your attempt to limit maintenance you need to be aware we sometimes get rains at 2 inches or more per hour and whatever you are planning needs to take this into account for your property AND YOUR NEIGHBORS PROPERTY. Hurricane IRMA dumped around 15 inches of rain is 24 hours. Personally, I would explore other options, robotic mowers are less expensive than lawn maintenance for example.