Discount days at local businesses aren’t the only perks older residents enjoy.

More and more property owners age 65 and older are applying for senior property tax exemptions, and that’s costing the Haines Borough.

The borough estimates the state-mandated exemption will cost the municipality $310,000 in lost property taxes in fiscal year 2015, up from $270,000 last year. Borough property taxes brought in $52,500 less this year than the borough projected.

Though several applications…