I have lived at The Ridge for almost a year and highly recommend it. The apartments are modern, clean and provide a ton of living space. Rent is very affordable and they even give you a discount for families who fall in a lower income bracket.
It's quiet, staff are very friendly, and I really have no complaints since moving here. The couple times I've had an issue in my apt., maintenance was extremely quick in coming by to fix it. Each apartment comes with one covered parking space which is very helpful in the winter, and there is guest parking available too. The clubhouse has a lot of nice extras too such as racquetball, pool, weight room/treadmill, sauna, and hot tubs.
It's a good location easily walk-able to NAU campus and a short drive from downtown. The Urban Trial system is literally steps away so great for running/biking.
Another plus is they allow pets. A lot of other places I have looked in Flagstaff don't which was a problem for me since I have a cat and my housemates have dogs.