A level area is better than a sloped one. Ensure that emergency vehicles will have easy access. A level site is safer than a sloped site. Some areas are less naturally fire safe than others. Locate your home on the most level portion of your property.
Fire spreads rapidly, even on minor slopes.
You'll need two-way roads with parking lanes to allow fire trucks and emergency vehicles plenty of room to get in and out. Roads should have a rise of less than 12 feet per 100 feet. Any bridges leading to your home should be wide enough and strong enough to support firefighting vehicles. A 40,000 pound minimum is recommended, but check with the fire department about local requirements. A loop or U-shaped driveway provides plenty of access for firefighting equipment and an alternate escape route for you.