US municipal development cost: aggregated impact + water/sewer tap fees per jurisdiction
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Capabilities & Tool Schemas (14)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Muni Dev Cost.
get_dev_costsThe aggregated municipal development cost for a jurisdiction (single-family home), split into water+sewer vs other impact, with a per-fee summary and an honest coverage label.
get_fee_breakdownEvery fee line by line, grouped (Water / Sewer / Transportation / Parks / Drainage), with the **per-meter-size schedule** and each source + effective date.
compare_jurisdictionsRank 2–12 markets side by side for **site selection** — total, water+sewer split, the dollar/% spread and what it costs on a 100-unit project.
get_water_sewer_detailWater & sewer connection cost **by meter size** (5/8" → 12") — the single biggest swing in a utility connection budget.
estimate_dev_costWhole-project fees (fees × units) with per-unit and extended line items, dev-type aware, explicit about exclusions.
list_jurisdictionsThe full **coverage map** — every jurisdiction, its depth and data freshness, which publish a per-meter schedule, plus the benchmark states.
Documentation Overview
muni-dev-cost 🏗️
What will the city and utility charge me to build here?
muni-dev-cost is an MCP server (and a pay-per-call x402 API) that gives an AI
agent the municipal development cost for a US jurisdiction — the
impact/development fees, water & sewer tap (connection) fees and
capital-recovery charges a real-estate developer must pay before breaking
ground — aggregated and normalized from public, government-published fee
schedules into one comparable number.
For a real-estate development-feasibility / pro-forma agent, this number is load-bearing and, today, costs weeks of manual digging across municipal ordinances, utility fee schedules and county portals. We do the aggregation so your agent doesn't have to.
Tools
| Tool | Tier | What you get |
|---|---|---|
get_dev_costs | Free | The aggregated municipal development cost for a jurisdiction (single-family home), split into water+sewer vs other impact, with a per-fee summary and an honest coverage label. |
get_fee_breakdown | Premium | Every fee line by line, grouped (Water / Sewer / Transportation / Parks / Drainage), with the per-meter-size schedule and each source + effective date. |
compare_jurisdictions | Premium | Rank 2–12 markets side by side for site selection — total, water+sewer split, the dollar/% spread and what it costs on a 100-unit project. |
get_water_sewer_detail | Premium | Water & sewer connection cost by meter size (5/8" → 12") — the single biggest swing in a utility connection budget. |
estimate_dev_cost | Premium | Whole-project fees (fees × units) with per-unit and extended line items, dev-type aware, explicit about exclusions. |
list_jurisdictions | Premium | The full coverage map — every jurisdiction, its depth and data freshness, which publish a per-meter schedule, plus the benchmark states. |
get_fee_schedule_source | Premium | The published source document + per-fee provenance (published vs estimated) behind a jurisdiction's number — defensible trazabilidad for a pro-forma. |
get_cost_trend | Premium | The real dated revision history of a jurisdiction's headline fee (prior years + adopted future steps) with YoY delta and CAGR — never a projection. |
compare_by_meter_size | Premium | One jurisdiction's water/sewer cost across every published meter size, ratioed to the 5/8" residential base. |
estimate_by_units | Premium | Multifamily/mixed fee estimate by LUE (units × LUE-per-unit) — the way cities actually bill MF, so it doesn't overstate fees. |
get_total_dev_cost | Premium | The grand total across every fee category (water/sewer, transportation, parks, drainage, public-safety, other), bucketed — with honest $0 buckets where a city simply doesn't charge that category. |
breakdown_by_fee_category | Premium | Every line item within one category (e.g. all of a city's parks fees) with per-meter detail — errors honestly if the city doesn't levy that category. |
rank_jurisdictions_by_cost | Premium | Rank the entire covered KB cheapest→priciest by water+sewer or total, with cheapest/median/priciest, the spread, and a site-selection insight — filterable by state/coverage. |
summarize_by_state | Premium | A state-level roll-up over the whole KB: per state, the city count, min/median/max cost, cheapest/priciest city, and which fee categories are assessed — the map for "which states are cheap/expensive to build in." |
1 free + 13 premium tools. The free
get_dev_costsis the hook; the 13 premium tools are the depth a feasibility agent can't assemble itself.
Example (free)
Coverage (honest — regla 7)
We never pass off an estimate as a city's published number.
- 🟢 deep — the city's own water/sewer fee schedule was ingested, including
the per-meter table. Figures are
published. - 🟡 partial — headline impact figures from public schedules; some categories estimated.
- 🟠 estimated — the exact city isn't in our deep KB yet, so figures are a regional benchmark, clearly marked. Use as order-of-magnitude only.
Coverage today: 130 jurisdictions across 38 states — 109 deep (own per-meter/per-LUE schedule ingested) + 21 partial. Dense in the high-growth markets a feasibility agent actually screens: TX (18), CO (18), FL (18), NC (16), CA (11), plus AZ, GA, WA, OR and more. From the cheapest covered market (Mobile, AL ~$1,000) to the priciest (Erie, CO ~$78,350), ranked and queryable. Any US city not yet ingested returns an honest state benchmark estimate — and the deep KB grows every iteration.
All fee data is sourced from public, government-published fee schedules (works of US municipal government → public domain). Each jurisdiction carries its source URL and effective date. Indicative — verify the exact amount with the jurisdiction. Not legal or fee-certification advice.
Two ways to pay for the premium tools
- 💳 Card (Stripe) — buy a prepaid API key at
/pro/checkout, then set"env": { "MUNI_DEV_COST_KEY": "<key>" }. - 🪙 x402 (USDC on Base) — AI agents pay per call automatically; no signup.
The free get_dev_costs works with no key.
How it stays a moat
The aggregation engine, the normalized fee knowledge base and the accumulating
per-jurisdiction cache run server-side. The npm package is a thin client:
it forwards your call to the hosted server and renders the response. The fee data
and the premium logic never ship in the tarball — a moat verified on every build
by npm run test:moat.
License
MIT. Source: https://github.com/Baneado98/muni-dev-cost
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
npm downloads
58
Package downloads in the last 30 days.
Last commit
3mo ago
Most recent push to the default branch.
Tools exposed
14
Callable tools this server registers over MCP.
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