Building permits in Niagara County, New York are required for work covered by the state Uniform Code and are handled by the town or city where the property lies12. Zoning is municipal too3. Niagara County Health must give written approval before a septic system is built, installed, connected, altered or extended4.
At a glance
- Building permit
- Required; issued by each town or city building inspector21
- Zoning
- Set by each town or city, not the county3
- Septic
- County Health approval is required before septic work54
- Septic plan review fee
- $290 for design plan review6
- Occupancy
- Certificate of occupancy required before moving in7
- Manufactured homes
- Permit and occupancy approval required8
- Owner-builder exemption
- Conditional only for owner-occupied manufactured-home installation9
Who to call
Septic permits
Niagara County Department of Health, Environmental Health Division
Septic plan approvals, pre-sale septic dye tests, public water supply, rental registry
55 Stevens Street, Lockport, NY 14094
Septic permits
Niagara County Department of Health: Sewage Disposal program
Plan review for new septic systems, dye tests at property transfer, complaints
Septic permits
Niagara County Department of Health: NYS Septic Replacement Fund
State grants for septic replacement near priority waterbodies
Codes & inspections
Town of Cambria Building Inspector / Code Enforcement Officer (example of a town office)
Building permits, code enforcement, and planning and zoning board applications in the Town of Cambria only
4160 Upper Mountain Road, Sanborn, NY 14132
Roads & driveways
Niagara County Public Works, Highways, Bridges & Structures Division
County roads and bridges
225 South Niagara St., Lockport, NY 14094
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Niagara County, New York?
Yes. Niagara County building permits are required for work that must comply with the New York Uniform Code, while the town or city where the property lies administers the permit12. The 2025 Uniform Code and Energy Code have applied since December 31, 202510.
A local code office may exempt listed minor work, including a qualifying one-story detached shed no larger than 144 square feet, but exempt work must still comply with the codes11. Permitted construction is inspected at applicable stages, including foundation, framing, building systems, energy work and the final inspection12. Niagara County work that required a building permit also requires a certificate of occupancy or compliance before use or occupancy7. Manufactured-home installation, alteration and covered repair work likewise require a building permit and occupancy approval, subject to stricter local zoning or laws8.
Who issues building permits in Niagara County, and how do you reach them?
Call the building inspector or code enforcement officer for the town or city where the land sits2. The Town of Cambria illustrates the local process: its building inspector is also its code enforcement officer, and appointments are made at 716-433-7664, ext. 11113. Cambria requires stamped engineered plans, a survey showing the house plot plan, county septic certification and an energy compliance report before processing a permit or issuing an address13. Requirements and fees can differ elsewhere, so use Cambria's list only for property in Cambria.
For septic questions, contact the Niagara County Department of Health Environmental Health Division at 55 Stevens Street in Lockport or (716) 439-744414. For a parcel on a county road, Niagara County Public Works' Highways, Bridges & Structures Division is at 225 South Niagara St. in Lockport and can be reached at (716) 439-736015. We could not confirm a countywide driveway-approval rule, so ask the road owner before designing access.
Does Niagara County, New York have zoning?
Zoning in Niagara County is administered by each town and city3. Lot size, setbacks, building height, lot coverage and minimum dwelling size therefore depend on the municipality and zoning district; we could not confirm one countywide standard for those questions. Before buying, ask the municipal zoning office for the parcel's district and the rules for the exact use you propose.
Subdivision approval begins locally where a town board has authorized its planning board to review plats16. After local review, Niagara County subdivision maps are reviewed by the Office of Real Property before filing with the County Clerk; a subdivision fee is collected, form RPTS-503 is issued, and tax certificates must be obtained from the County Treasurer17. A conditionally approved final plat cannot support a building permit until the required signing and recording are complete16.
How do septic permits work in Niagara County?
The Niagara County Board of Health enforces septic rules within the Niagara County Health District5. Written approval from the Public Health Director is required before anyone constructs, installs, connects, alters or extends a sewage-disposal system4. New-system plans for vacant lots must be prepared by a licensed New York State Professional Engineer for County Health review18. The published design-plan review fee is $290, while an ownership-transfer evaluation for a standard or sand-filter system is $505; the county page labels those fees effective January 1, 20186.
Only 1.6% of Niagara County soils rate free of severe limitations for conventional septic drain fields19. A standard field requires a percolation rate below 60 minutes per inch at a 24-inch depth and at least two feet between leach-line bottoms and impervious soil or high groundwater18. Failed testing can push the design toward a sand-filter system and higher cost18. The separate state discharge permit exemption for qualifying systems below 1,000 gallons per day does not remove county approval20.
Can you live in an RV or tiny home on your land in Niagara County?
We could not confirm a countywide rule allowing residential or long-term RV occupancy in Niagara County. Ask the town or city zoning office whether an RV may be occupied on the parcel, whether temporary occupancy during construction is allowed and what time limit applies; zoning is administered municipally3.
A tiny house that is regulated as a building needs the municipal permit required for Uniform Code work, applicable construction inspections and a certificate of occupancy or compliance before occupancy1127. We could not confirm a countywide tiny-home rule or minimum dwelling size, so ask the local zoning office before choosing a design. Any sewage-disposal system serving an RV or tiny home needs written Niagara County Health approval before construction, installation, connection, alteration or extension4. Off-grid sanitation methods are not automatically exempt; ask Environmental Health whether the proposed system can be approved.
What are the steps to build a home in Niagara County, New York?
- Ask the town or city building and zoning offices for the parcel's district, allowed use, setbacks and permit checklist23.
- Have a licensed New York State Professional Engineer evaluate the site and prepare the septic design required for a vacant lot18.
- Submit the septic plan to Niagara County Health and obtain written approval before septic work begins4. The published plan-review fee is $290, effective January 1, 20186.
- Prepare the construction documents required by the municipality; Cambria, for example, asks for stamped engineered plans, a survey and plot plan, county septic certification and an energy report13.
- Obtain the municipal building permit before work covered by the Uniform Code starts1.
- Keep covered work accessible for the municipal construction inspections12.
- Obtain a certificate of occupancy or compliance before occupying the home7.
What should you check before you buy land in Niagara County?
For an existing home, Niagara County Health conducts septic dye-test inspections before sale and also reviews tests completed by private engineers21. The published ownership-transfer evaluation fee is $505 for a standard or sand-filter system, effective January 1, 20186. The home generally must have been occupied for 30 days, and frozen or snow-covered ground can prevent testing21. For vacant land, only 1.6% of county soils rate free of severe limitations for conventional drain fields, so make septic feasibility a purchase contingency19.
Ask the municipality about zoning, floodplain development and driveway access because we could not confirm countywide standards for those issues. Ask Environmental Health about private-well requirements and any proposed off-grid sanitation system because we could not confirm those rules either. For cost context, farmland averages about $3,796 per acre, a typical home value is about $259,222, the effective property-tax rate is 2.3% and the median annual property-tax bill is $4,05222232425.
Watch-outs
- Niagara County septic dye tests generally require the home to have been occupied for 30 days and cannot occur during frozen ground and snow cover21.
- Only 1.6% of Niagara County's soils rate well for a conventional septic field, and failed perc tests push you to raised or sand filter systems that cost more1918.
- A new septic plan for a vacant Niagara County lot must be designed by a licensed New York State Professional Engineer, and covered septic work needs written County Health approval184.
- Building permits and zoning differ in every Niagara County town and city; confirm the rules with the exact town before you buy23.
- The owner-builder provision identified for Niagara County is limited to an owner-occupied manufactured home and still requires certified-installer supervision; it is not a general permit exemption9.
Sources
- Agricultural Building Guidance, quoted and re-checked
- Town of Niagara Code - Fire Prevention and Building Code (2026 county census)
- Town of Niagara Code - Chapter 245 Zoning (2026 county census)
- Disposal - Sewage, quoted and re-checked
- Disposal - Sewage, quoted and re-checked
- Disposal - Sewage, quoted and re-checked
- NYS Uniform Fire Prevention and Building Code: What Elected Officials Need to Know, quoted and re-checked
- Division of Building Standards and Codes Frequently Asked Questions, quoted and re-checked
- Division of Building Standards and Codes Frequently Asked Questions, quoted and re-checked
- Division of Building Standards and Codes Frequently Asked Questions, quoted and re-checked
- Part 1203 Uniform Code and the Energy Code: Minimum Standards for Administration and Enforcement (New York statewide rule), quoted and re-checked
- Part 1203 Uniform Code and the Energy Code: Minimum Standards for Administration and Enforcement (New York statewide rule), quoted and re-checked
- Town of Cambria Building Inspector / Code Enforcement Officer (example of a town office) (townofcambria.gov)
- Niagara County Department of Health, Environmental Health Division (niagaracounty.gov)
- Niagara County Public Works, Highways, Bridges & Structures Division (niagaracounty.gov)
- New York Town Law § 276: Subdivision review; approval of plats; development of filed plats (New York statewide rule), quoted and re-checked
- Real Property FAQs, quoted and re-checked
- Niagara County Department of Health: Sewage Disposal program (niagaracounty.gov)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- State Pollutant Discharge Elimination System (SPDES) Permit Program (New York statewide rule), quoted and re-checked
- Disposal - Sewage, quoted and re-checked
- Farmland value per acre (USDA census): Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.