Do you need a plumbing permit in New York?
By Mario Bailey Last checked
- Always required
- 1
- of 5 jurisdictions
- Conditional
- 4
- depends on size or scope
- Not required
- 0
- exempt outright
Plumbing Permit rules nationwide, beyond New York.
Requirements and size thresholds for plumbing permits vary by locality. The table below compares what each New York county or city requires. Always confirm with the local office before starting.
Comparing states? See plumbing permit rules across every locality we cover.
The application steps and inspection sequence for plumbing permits come from the model code rather than from New York law, so they read the same wherever you build. We keep that walkthrough in one place: how a plumbing permit application and its inspections work, start to finish. What changes between New York jurisdictions is below: who requires a permit, what they charge, and which office you file with.
Swipe sideways to see thresholds and confidence.
| Locality | Permit required? | Typical threshold | Confidence |
|---|---|---|---|
| Buffalo | Conditional | repair or replacement of sections of the water distribution system totaling less than that length | Confirmed on official page |
| New York City | Conditional | direct replacement of an existing fixture or faucet that does not alter the hot and cold shutoff valves or the fixture trap | Confirmed on official page |
| Rochester | Conditional | Before replacing, repairing or altering water service, sewer, drain, waste, vent or... | Confirmed on official page |
| Town of Brookhaven | Conditional | minor repairs to existing plumbing systems | From an official source |
| Town of Hempstead | Yes | Any size | Confirmed on official page |
| No localities match your filter. | |||
What a plumbing permit costs in New York
4 New York jurisdictions we cover publish a fee figure for this work. Each line is quoted from that office's own schedule and linked to its citation. The figures are not comparable to one another: some are flat minimums, some a percentage of job value, some charged per fixture, so what you pay depends on which schedule applies and on your job's valuation.
Plumbing permit fee schedule: $50.00 application fee required for all applications, $100.00 plan review fee only if plans are required, $75.00 per reinspection. Fixture fees are $12.00 per fixture for one- or two-family residential, and $50.00 for the first fixture plus $20.00 per additional fixture for commercial and all other property. Underground piping is $60.00 for the first 100 linear feet of any pipe size, then $20.00 per additional 100 linear feet for pipe 6 inches or under and $55.00 per additional 100 linear feet for pipe over 6 inches.
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Limited Alteration Application is the usual homeowner-scale route. Table 28-112.2 item 11 sets the one-, two- or three-family LAA minimum filing fee at $130.00, and DOB's "Limited Alteration Application (LAA) Fees and Penalties, Category 1 & 2 Filing, 1, 2, 3 Family Fees" chart prices it at $130.00 for any estimated job cost up to $5,000, rising by $2.60 per $1,000 above that ($143.00 at $9,001 to $10,000; $208.00 at $34,001 to $35,000). The matching 1 and 2 family penalty for filing after the fact starts at $780.00. Full plumbing alterations are filed as work type PL, priced on construction cost with a PW3 (DOB PW3 fee-structure sheet, Rev. 04/25).
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The fee page states "Base fee for all plumbing permits $100 in addition to base plumbing permit fees as below." Line items include fixtures installed, removed or capped at $20.00 each residential (3 units or less) and $25.00 each commercial; backflow prevention devices $25.00 under 2 inches and $50.00 over 2 inches; water service renewal under 2 inches without street work $135.00; water main services within the property line of 3/4 inch to 2 inches $55.00 each; reinspection $100.00. The fee page carries the notice "Fees for licenses, building, electrical, and plumbing permits, as well as for certificates of occupancy, will change effective July 1, 2026."
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Town Code 86-11N, as adopted by Local Law No. 93-2022 (effective 12-22-2022): a permit to install any new plumbing or drainage work is a minimum of $70, plus an additional $40 residential for each fixture over one; plumbing work started before the permit is issued is a minimum of $120 residential plus $60 for each fixture over one. Connecting a single fixture or replacing fixtures on an existing system is a minimum of $70 residential under 86-11P(1). Extending a vent stack is $75 residential (86-11O), a sewer permit to install or repair a house sewer is $125 plus $75 for the certificate of approval (86-11DD), and the certificate of approval of plumbing or drainage work is $100, payable when the plumbing permit is issued (86-11Q).
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Jurisdictions not listed publish no dollar figure we could quote. Absence does not mean a permit is free.
Common questions about plumbing permits in New York
- Do I need a plumbing permit in New York?
- In New York it depends on the size of the job. Permits are issued locally, so the answer comes from your New York city or county rather than a single statewide rule. Of the 5 New York jurisdictions we have verified for plumbing work, 1 requires a permit outright, 4 depend on the size or scope of the job, and 0 require none.
- Is there a plumbing permit exemption in New York?
- 4 of the 5 New York jurisdictions we cover set a threshold rather than a flat rule, so the same job can be exempt in one New York county and permitted in the next. The table above lists each New York jurisdiction's published threshold in its own words, with the source and the date we verified it.
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