Development impact fees and utility capacity fees swing every US real-estate pro forma $5k–$30k/unit — and they change on scattered, unannounced municipal cadences. FeeShift tracks ordinance revisions across 55 jurisdictions in 11 states and alerts you before a fee change re-prices your deal.
You underwrite from the back end. A mid-cycle fee revision you didn't see coming eats your margin.
$500K–$5M fee exposure per project over a 3–5yr entitlement cycle. One ordinance change re-prices the deal.
Your users key fee data by hand. Wire a live fee-change API into your stack instead.
| jurisdiction | fee_category | basis_unit | amount | effective | change |
|---|---|---|---|---|---|
| georgetown-tx | wastewater | per-dwelling | $7,000 → $10,250 (2026) → $13,500 (2027) | 2025-08-31 | phase-in |
| prosper-tx | water-wastewater | per-service-unit | $6,643 → $14,390 | 2025-09 | revision |
| kirkland-wa | adu-cottage impact | per-dwelling | CPI-W indexed every 6mo through 2027 | 2026-01-01 | escalator |
Self-serve dashboard + API. Columns: jurisdiction · fee_category · basis_unit · amount · effective_date · source · change_type. A forward revision signal — your markets change every year; know before you bid.