Springfield, MO
Springfield, Missouri plumbing permit cost
A Springfield plumbing permit is a flat amount at the trade's own line:
residential $49.00 for a water heater change-out, $110.00 for a lawn sprinkler/backflow and for gas; commercial $171.00 for gas, $171.00 air-test-only, and ─ when the plumbing work rides a building permit ─ 40% of the building permit fee ($171 floor).
How this fee is calculated
These are the components the schedule defines for this permit, as they applied on 2026-09-28. A component only applies to your project if its conditions match — read that column before assuming a figure. Want a figure for your own project? Estimate this fee with the permit fee calculator.
| Component | Formula | Applies when | Range |
|---|---|---|---|
| Commercial gas permit — $171.00Permit fee | $171.00 flat fee | trade scope is gas | — |
| Commercial air-test-only gas — $171.00Permit fee | $171.00 flat fee | trade scope is air test | — |
| Residential air-test-only gas — $49.00Permit fee | $49.00 flat fee | trade scope is air test | — |
| Residential gas permit — $110.00Permit fee | $110.00 flat fee | trade scope is gas | — |
| Residential lawn sprinkler / backflow preventer plumbing — $110.00Permit fee | $110.00 flat fee | trade scope is lawn sprinkler | — |
| Residential plumbing — water heater change-out — $49.00Permit fee | $49.00 flat fee | trade scope is water heater | — |
A real permit fee is these components added together. The department’s final calculation is the one that applies — this is the schedule it will be based on.
A worked example
Follow the arithmetic by hand. Every line is produced by the engine from the rules above, so the total cannot drift away from the schedule behind it.
Worked example
Residential plumbing — water heater change-out ($49) and gas ($110) as separate stand-alone permits, plus the associated-plumbing shape.
| Input | Value |
|---|---|
| Trade scope | water_heater |
Example total
$49.00
An estimate, not an official fee. It is calculated from the published fee schedule as it applied on 2026-09-28. The permit office’s own calculation is the one that applies, and your project may fall under rules this schedule does not describe.
Fee schedule as of 2026-09-28Rules applied 1Rules considered 6
| Component | How it is calculated | Amount |
|---|---|---|
Residential plumbing — water heater change-out — $49.00Permit feeS2 p.2: "RESIDENTIAL PLUMBING WATER HEATER CHANGE OUTS: $49.00"Show the working
| $49.00 flat fee | $49.00 |
| Total | $49.00 |
Fees that do not apply here
Listed so you can see what was considered and left out, rather than wondering whether something is missing. A rule can also be left out because it is not published for this permit at all, and that is stated where it matters.
- Commercial gas permit — $171.00 — This fee does not apply to the inputs provided.
- Commercial air-test-only gas — $171.00 — This fee does not apply to the inputs provided.
- Residential air-test-only gas — $49.00 — This fee does not apply to the inputs provided.
- Residential gas permit — $110.00 — This fee does not apply to the inputs provided.
- Residential lawn sprinkler / backflow preventer plumbing — $110.00 — This fee does not apply to the inputs provided.
Assumptions
- Calculated from 1 fee rule in effect on 2026-09-28.
- Amounts are rounded to the nearest cent, once, at the end of each component.
Water heater change-out (residential, S2 p.2): $49.00 flat — trade stand-alone, no building permit. Gas (residential): $110.00; lawn sprinkler/backflow: $110.00 — each a different `trade_scope` with its own flat. Commercial gas: $171.00; commercial air-test-only gas: $171.00 — the commercial pair at $171.00.
Associated with a building permit: 40% of the building permit fee, $171 floor commercial ($110 residential). 40% of a $400 building permit is $171.00 at the floor; 40% of a $2,000 building permit is $800.00; associated-plumbing rows are named on the building-permit pages, never as part of the $49/$110/$171 stand-alone — a building permit is required for the 40% to attach.
No plumbing row here reads a valuation — plumbing is priced entirely by scope and association. The building permit's construction factor is the only plumbing price that reads a non-money basis, and it is the associated 40%'s own base — the building permit fee — that does the reading.
The calculator reads `trade_scope` for one permit at a time — `water_heater` is $49.00, `lawn_sprinkler` is $110.00, `gas` is $110.00/$171.00, `air_test` is $49/$171.
What is different in Springfield
Residential plumbing stand-alone rows are the $49/$110 pair: water heater change-out $49.00, lawn sprinkler system with backflow preventer installation $110.00, and gas $110.00 (plus residential gas air-test-only $49.00 — the same $49 as furnace/AC and service-repair but a plumbing-gas scope). Each is a flat `base` rule gated on its `trade_scope`, carrying the residential effective date. Commercial plumbing stand-alone rows are $171.00: gas $171.00 and air-test-only gas $171.00 — the same commercial flat that also covers not-associated MEP and overhead FIS (issuers on the commercial sheet at the same $171 but with their own scope values).
When the plumbing work is associated with a building permit — a new house's plumbing rough-in, a commercial addition's plumbing — the price moves to the building page: commercial 40% of the building permit fee ($171 floor). The $171 floor is the same figure as the stand-alone commercial gas flat because the schedule prices both at $171.00, not because an amount was folded. The associated row is named on the building-permit pages where a building permit exists and not charged inside a not-associated $49 stand-alone that issues with no building permit at all; Springfield is where the request for a building-permit 40% inside a plumbing permit is refused because the 40% rides a building permit, not a trade one.
Plumbing with an associated building permit inside a $400 building is therefore the $171 floor; inside a $2,000 building at 40% it is $800.00; stand-alone it is $49.00 or $110.00 or $171.00 by scope, each as a flat with no plan review or technology rider. No plumbing row here is priced on count of fixtures or on valuation — the building permit's construction factor is the only count the plumbing permit reads indirectly, through the 40% association where it applies.
What this figure does not include
Impact fees, utility connections and other departments’ permits are the usual omissions, and in some jurisdictions they are larger than the permit fee itself.
Not included in these figures
This is Springfield's plumbing permit fee read from S1/S2 flat and associated rows. It excludes the building permit fee itself (construction factor), commercial fire/FIS/flat rows that are not plumbing (overhead FIS $171 + plan $257 + tech $50, no-calcs $25, underground $171), signs, towers, pools, parking-lot/floodplain fixtures, cooler/hood rows, the MEP-not-associated flats that are not plumbing, and the re-inspection/re-submittal ladder and ×2+$200 no-permit penalty.
Common questions
How much is a plumbing permit in Springfield, Missouri?
Stand-alone (no building permit): residential water heater change-out $49.00, lawn sprinkler/backflow $110.00, gas $110.00, gas air-test-only $49.00; commercial gas $171.00, commercial air-test-only gas $171.00. Associated with a building permit (new house, addition, commercial building with a BDS building permit): 40% of the building permit fee — minimum $171.00 commercial ($110 residential) — so $400 of building is $171 and $2,000 of building is $800 of plumbing.
Why is residential lawn sprinkler gas the same $110 as gas?
Because the schedule prices them that way: S2 reads 'RESIDENTIAL LAWN SPRINKLER SYSTEM, BACKFLOW PREVENTER INSTALLATION PLUMBING PERMIT FEE $110.00' where it also reads gas $110.00 — one permit scope, two counts sharing one price, each as a different `trade_scope` so the flat is the same $110.00 in both filings.
What does air-test-only gas mean?
A gas permit required only for an air test and nothing else (S1 p.3 / S2 p.2) — commercial $171.00 and residential $49.00 — a different scope from the $110/$171 gas permit that includes the work itself. The schedule prints both; the engine requires the same `air_test` scope for either.
Does the 40% association make a $49 water-heater more expensive?
No — the 40% rows are `associated with a building permit`. A water-heater change-out that issues with no building permit at all pays its flat $49.00 and the 40% does not attach. The association lives on the building permit where a building permit exists; the stand-alone flats are what Springfield plumbing pays when it issues alone.
Is plumbing priced by fixture count or valuation?
Neither. Springfield plumbing on these pages is priced by scope — $49 for a water heater, $110 for a lawn sprinkler, $110/$171 for gas, and 40% of the building permit fee when the plumbing work rides a building permit that already has a construction-factor building fee. Fixture and valuation rows exist elsewhere but not on these pages.
Source and verification
The documents behind every figure on this page, with the dates that make them checkable.
- Fee schedule (PDF)CityPrimary source
Read 2026-09-26 as a 29,975-byte docx (SHA-256 db5512282d15cdfdae65564a4d72e6be2ee55b9fef726bd1e63319e2aed070cb, HTTP 200) in pymupdf docx extraction (9 pages). Carries the construction-factor marginal table (0.005/0.004/0.003/0.0015, $171 min), infill/renovation 0.30 factor, shell sub-category, plan review 75% ($257 BDS+CU / $492 multi-dept floors), provisional 30%, post-permit $50, technology 18.5% ($50 floor), certificates $30, MEP-associated 40% ($171), gas $171, fire FIS $171 + plan $257 + tech $50, signs $249+$100+$46 / $69+$50+$13, and every flat/percentage re-inspection, re-submittal and penalty row. S1 for commercial rates. The 30% provisional fee is a second payment schedule (in addition to the permit fee), named rather than charged.
- Fee schedule (PDF)CityPrimary source
Read 2026-09-26 as a 23,556-byte docx (SHA-256 4965997b259f86f666ac9f8ee0c0c3de8942836ec6db4bd1bcb77132f447cba0, HTTP 200) in 6 docx pages. Carries the residential marginal table (0.004/0.003/0.002/0.001, $151 min) at factor 0.3876, garage/addition same formula, MEP 40% ($110), gas $110, air-test $49, stand-alone MEP $110, furnace/AC $49, water-heater $49, service-repair $49, lawn-sprinkler/backflow $110, wrecking $151, pool $151, and the residential re-inspection/penalty slate.
Verification
Last verified against the official source in Sep 2026.