This type of restrictions are not common in town houses or single-family developments.
It is calming down. The bottom line is we're transitioning into a much more balanced market between buyers and sellers. It's been a seller's market.
You can't have prices rise at sharp double-digit rates indefinitely, because you're going to create an affordability problem.
For the past four years, the market has been skewed toward the seller, but early indications are that we're transitioning into a more balanced market.
There's no data on that. Personally, I don't think that it would negatively impact sales.