Boulder council adopts ordinance to regulate metropolitan districts, sets mill-levy and debt guardrails

Boulder City Council voted unanimously on April 16 to adopt Ordinance 8748, a local regulatory framework governing metropolitan districts in the city that staff said would steer the tool toward commercial projects and add financial safeguards for future property owners.

Assistant City Manager Mark Wolf said the ordinance moves the metro-district formation process from the state default into a local review and sets mandatory standards. "metropolitan districts are governed by an elected board and are primarily used to finance largecale infrastructure," he told the council during the presentation. Wolf and staff stressed three guardrails in particular: a commercial-use threshold, hard mill-levy caps, and independent financial oversight.

Why it matters: the ordinance defines the tools and limits by which private development can finance public infrastructure through a district that levies property taxes. For potential tenants and future property owners, the most immediate changes are the transparency and caps that would apply if and when a metropolitan district is created inside Boulder.

Key provisions adopted include a requirement that at least 90% of a district's assessed value and square footage be commercial, a 50-mill cap on debt-related mill levies (65 mills maximum when operations and maintenance are included), a 40-year rule that forgives remaining developer reimbursements after that term, mandatory disclosure to future property owners, and a five-year dissolution trigger requiring a status update or council action if infrastructure has not been built. The model service plan attached to the ordinance standardizes form and content but allows negotiated deviations subject to council approval.

Mark Wolf summarized the tax limits: "The maximum debt mill levy is 50 mills. Uh when you add in the allowance for operations and maintenance the total maximum aggregated mill levy is capped at 65 mills." Staff also said the model service plan requires an independent third-party financial adviser to certify interest rates on privately placed debt and clarified that annual reimbursement agreements count against the mill-levy cap to avoid hidden debt.

Public testimony at the hearing was mixed: a few commenters warned against expanding taxing tools and commercial development, while development interests and staff argued the ordinance imposes guardrails that protect future taxpayers. Two people spoke at the public hearing on the ordinance itself, one urging the council to avoid new commercial growth and another urging caution about water and regional costs.

Council deliberations focused on fine points including whether to permit compounding interest on privately placed debt if an independent financial adviser certified it as market-appropriate. Councilors signaled interest in allowing that narrowly ("only if" an external adviser certifies it) and agreed to return to the model service plan in a future meeting rather than amend the resolution immediately.

Outcome and next steps: Ordinance 8748 was adopted on second reading by unanimous roll call. Council deferred action on the accompanying resolution (the formal model service plan, Resolution 1378) so staff can return with a narrow written change reflecting council's direction about privately placed debt and compounding interest. Staff said service-plan deadlines for election submittals will not apply in the ordinance's first year of enactment.

Vote: Ordinance 8748 passed unanimously.

What to watch: any service plan submitted under this ordinance will be the next locus of detailed debate: whether a project truly needs a metro district, the proposed mill levy for that project, the finance plan and repayment timeline, and the IGA terms governing which infrastructure is dedicated to the city and when.