Planned rates increases of up to 700 per cent may force Waikato charity groups to cut back the work they do for the needy.
Hamilton City Council has decided that the charities' not-for-profit retail shops are competing with other businesses and should be rated on the same basis as them.
"Council must be seen to treat all ratepayers on a fair and consistent basis under the rating policies and the differential rating system that is in place," wrote the council's revenue manager, John Gibson.
Rates for St Vincent de Paul will increase almost 700 per cent, from $964 to $6728, under Hamilton City Council's draft 10-Year Plan.
Shop manager Mike Rolton said the St Vincent de Paul Society would have to drop some services, which included daily free lunches for needy families in 19 schools, community lunches for 70 homeless people and nightly meals for the needy.