"We want to reassure staff and the public that these measures are necessary, because safety is paramount," she said.
A condolence book full of personal messages and signatures would be sent to Ashburton, "to show that even up here in Kaitaia we feel your loss".
All Ministry of Social Development offices around the country were closed for an hour on Friday to give staff time to reflect on the events of the past two weeks, Ms Brown said.
Melanie Dalzell spoke on behalf of Far North Mayor John Carter, and Work and Income service Centre manager Justine Rae thanked the people of Kaitaia for their email messages, morning teas and flowers.
"The support has been overwhelming," she said.
Jesse Graham, of MSD's Make it Happen Te Hiku project, was pleased the turnout and show of public support - but she wasn't surprised.
"This is a community that's good at coming together."
Kaitaia and Ashburton were far apart but people all over the country shared similar issues, she said.