The optimal timing to bid out your HOA maintenance contracts is between 3 and 5 years. That is the average length of a typical maintenance contract. Going out to bid every year is too often.
The number one reason that you should go through the HOA bidding process every 3 to 5 years is to avoid complacency. Even if you’re happy with your landscaping contractor, it still makes sense to go out to bid at least every 5 years and make sure that your company hasn’t fallen into a routine and is now missing things.
Stanley Genadek How to get clear with Customers on landscaping bid