Post 6 of 7 in "Behind the Build."

Few local government tools generate “more heat and less light” than tax increment financing — “TIF”. Depending on who's talking, it's either a giveaway to developers or the only reason anything gets built. The truth is more interesting than either, and every La Crosse taxpayer deserves to actually understand it, because the city uses it regularly and Copper Rocks uses it too.

The problem TIF solves

Some sites are stuck. A vacant big-box store, a contaminated former factory, a crumbling block — redeveloping them costs more than building on easy land, because you're paying for demolition, environmental work/clean-up, new/updated utilities, structured parking, and public improvements before the first apartment earns a dollar. Private money alone often can't make the numbers work. So the site sits for years, sometimes for decades, paying minimal taxes the whole time.

Wisconsin's answer, used by communities across the state for half a century, is TIF. Here's the mechanism, step by step.

How it works

Step 1: Freeze the baseline. The city draws a district around the stuck property and records its current taxable value. Every taxing body — schools, county, city, technical college — keeps collecting taxes on that base value throughout, exactly as before. Nobody's existing revenue is touched.

Step 2: The project creates new value. The development gets built. The site that was worth a couple of million is now worth tens of millions. The taxes generated by that new value — the growth above the frozen baseline — are called the increment.

Step 3: The increment pays for the project's public costs — for a limited time. Instead of flowing to the general funds right away, the increment reimburses eligible project costs: the public infrastructure, site preparation, and gap the project needed to be feasible.

Step 4: The district closes — and everything flows to the public, forever. Once the costs are repaid (districts have hard legal expiration dates), the full taxes on the entire new value flow to schools, county, and city permanently.

The taxpayer-protection features people miss

• "But for" test. Wisconsin law requires a finding that the development would not occur but for the assistance — TIF is legally reserved for stuck sites, not projects that would happen anyway.

• Pay-as-you-go. In the safest structure — the one used at Copper Rocks — the city doesn't borrow money or write the developer a check up front. The developer finances everything, builds everything, and is reimbursed only from increment the project itself actually generates. If the value never materializes, the payments never happen. The risk sits on the developer, not the taxpayer.

• Independent oversight. TIF deals are vetted by the city's outside financial advisors, reviewed by a joint board of all the affected taxing bodies, and approved in public votes.

Honest math: what Copper Rocks means for the city's books

Let's be precise, because this is where TIF conversations usually go wrong in both directions.

Today the site pays about $80,000 a year. Built out, it's projected to pay roughly $870,000 a year. While the tax incremental district (TID) is open, most of that increment repays the project's public costs — so no, this project does not rescue next year's city budget, and we won't pretend it does.

The permanent payoff comes when the district closes: roughly $350,000 a year in new, ongoing levy capacity for the city, plus the full value flowing to schools and the county — forever. For scale, the city's total levy growth from all sources last year was about $368,000. One closed district, from one project, nearly doubles a typical year's growth — permanently.

That's the honest case for TIF: not free money now, but a machine that converts a dead site into a permanent public revenue stream, at the developer's risk, with the taxpayer's downside protected. A vacant lot pays $80,000 forever. A partnership pays $870,000 forever. That's the whole choice.