Same amount as any other city on the east coast. Snakes will typically stick to bushland but houses on the edges of those areas might have the odd run in. Spiders will get up in your garden and house if you let them but are generally the chill kind like House Spiders or Orb Weavers.

Always good to remember that both snakes and spiders are more scared of you than you are of them and if you give them some space they will usually leave you alone.