"We respectfully suggest that for your own privacy, and that of your neighbours, that you don't talk to the media about the details of this meeting," the letter continues.
"We consider it a privilege to work in your community and will do everything possible to ensure that we cause minimal disruption to your daily lives. We look forward to getting to know you over the course of the project."
The letter is signed by Eyeworks New Zealand - "producers of The Block NZ".
Residents have speculated that the building site could be a demolished property at 71 St Johns Rd.
Previous seasons of the show have sparked complaints from local residents concerned at noise and traffic problems generated by building work, filming and tradies.
The most recent season wrapped up last night when Brooke Thompson and her plumber partner Mitch Davies cleaned up at the live auctions after their renovated villa sold for $1.35 million, $190,000 over reserve, giving them $190,000 profit plus $100,000 in prize money.