Bolthole Index

Providence County, Rhode Island

Building permits, zoning and septic rules in North Smithfield, Rhode Island

The Town of North Smithfield, Rhode Island requires a building permit before work starts, and the town building official's office issues it12. The town sets its own zoning, with 11 districts3. Septic permits for new homes come from the state's Department of Environmental Management, not the town or Providence County4.

At a glance

Building permit
Required; issued by the town building official12
Zoning
Town zoning, 11 districts plus overlays3
Septic
Permit from state RIDEM, approved before the building permit45
Manufactured homes
Allowed as single-family homes on lots zoned for single-family use6
Owner-builder
Owner/occupant may skip contractor registration but still needs a permit and inspections7
Certificate of occupancy
Required before occupying a building8

Who to call

Building permits

Town of North Smithfield, Town Hall (building official's office)

Building permits, certificates of occupancy and permit forms for North Smithfield

401-767-2200

83 Greene Street North Smithfield, RI 02896

Septic permits

Rhode Island DEM Office of Water Resources – OWTS Program

Statewide septic (OWTS) system permitting, design review and inspection for Providence County and all of Rhode Island — there is no separate county or municipal septic authority

(401) 222-3961

dem.owts@dem.ri.gov

235 Promenade Street, Providence, RI 02908

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Off-grid gear

Going off-grid in Town of North Smithfield means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Does North Smithfield, RI have zoning, and what does it mean for lot size?

Yes. The Town of North Smithfield divides its land into 11 zoning districts, and three overlay districts (water supply protection, historic and solar photovoltaic) take precedence over the underlying district3. The districts are REA, RA, RS, RU, BN, BH, LC, MU-1, MU-2, M and OS9.

Minimum lot size depends on the district. A single-family lot needs at least 20,000 square feet of developable area in RU, 40,000 in RS, 65,000 in RA and 120,000 in REA, and land unsuitable for development such as wetlands does not count toward that area10. Look up the district of any parcel on the town's zoning map before you offer on it.

The town's use table, setbacks, height limits and short-term rental rules are details we could not confirm in full; ask the building official's office2.

Do you need a building permit in North Smithfield, and who issues it?

Yes. North Smithfield requires all building permits to be applied for before work begins, and permits are obtained in the building official's office at Town Hall12. Rhode Island's State Building Code applies statewide, and Providence County has no building-permit authority of its own11.

A building permit does not cover everything: moving or demolition, electrical, mechanical, plumbing, water and sewer permits may also be required, and a zoning certificate is needed before a proposed use is approved1. Some permits need a site drawing showing setbacks, two sets of structural drawings and a homeowner affidavit or authorization12. The historic area requires separate applications from the historical commission12.

Small detached one-story accessory structures are exempt from a state building permit only up to 64 square feet of floor area13.

How do septic permits work in North Smithfield?

Septic permits for North Smithfield come from the Rhode Island Department of Environmental Management's OWTS Program, which administers the statewide septic permitting program14. A new structure that will dispose of wastewater through an on-site system needs that approval15.

Order matters: a town building official cannot issue a building permit until the OWTS permit is in hand, and the permit is valid for 5 years from approval5. A designer witnesses the installation and certifies it to DEM16.

Whether a given North Smithfield lot can connect to public sewer is a question we could not confirm; ask the town building official's office before assuming a septic system is needed17. Wells have their own rules: new private wells must be reported to RIDOH within 10 days of installation, and some local officials require permits, so check with Town Hall first18.

Can you live in an RV or tiny home in North Smithfield?

We could not confirm whether the North Smithfield zoning ordinance allows living in an RV or tiny home on private land; ask the building official's office before parking or building one2. Rhode Island's rules for recreational vehicles cover RV parks and campgrounds, which local government regulates for zoning and location, and they do not answer the question for an ordinary lot19.

Manufactured homes are a clearer case. North Smithfield treats a manufactured home that meets state requirements as a single-family home on any lot zoned for single-family use, and it must meet the dimensional requirements of the district or seek relief6.

State law also allows one accessory dwelling unit per lot by right in some circumstances, including a residential lot of at least 20,000 square feet20. How North Smithfield's zoning table treats accessory dwellings is unconfirmed.

How do you build a home in North Smithfield, step by step?

  1. Confirm the parcel's zoning district and minimum lot area with the town10.
  2. Get DEM approval for the septic system, or confirm a sewer connection with the town5.
  3. Apply for the building permit, with a site drawing and structural drawings, at the building official's office122.
  4. If the project is multiple units or a subdivision, expect planning board review as a land development project21.
  5. Build with the required inspections; an owner/occupant of a single-family dwelling may be exempt from contractor registration but still needs the permit and inspections7.
  6. Obtain the certificate of occupancy before anyone moves in8.

What stays with Providence County and the state in North Smithfield?

Providence County does not issue building permits or set zoning anywhere in Rhode Island; the town does both inside North Smithfield2223. Septic stays with state DEM14, and a driveway onto a state highway needs a state permit24. Fill in a floodplain on a freshwater-wetlands property can trigger a state stormwater application25.

The county-level context for Rhode Island's Providence County is on the Providence County page. Property tax in Providence County runs at an effective rate of 1.4%26.

Watch-outs

  • A septic permit must be approved before the town can issue a building permit, so start with DEM5.
  • A building permit may not cover electrical, plumbing, mechanical, water and sewer work, which can need their own permits1.
  • The historic area requires special applications from the historical commission12.
  • We could not confirm permit fees, setbacks or RV and tiny-home rules for North Smithfield; call the building official's office2.

Sources

  1. Forms / Permits / Applications - Town of North Smithfield (Town of North Smithfield), quoted and re-checked
  2. Town of North Smithfield, Town Hall (building official's office) (nsmithfieldri.gov)
  3. North Smithfield Zoning Ch. 340, Article V District Use Regulations (eCode360) (Town of North Smithfield), quoted and re-checked
  4. Obtaining a Permit for a New Home’s Septic System (Rhode Island statewide rule), quoted and re-checked
  5. Obtaining a Permit for a New Home’s Septic System, quoted and re-checked
  6. North Smithfield Zoning Ch. 340, Article V District Use Regulations (eCode360) (Town of North Smithfield), quoted and re-checked
  7. R.I. Gen. Laws § 23-27.3-113.3.2 — Applications for work requiring registered workers, quoted and re-checked
  8. Forms / Permits / Applications - Town of North Smithfield (Town of North Smithfield), quoted and re-checked
  9. North Smithfield Zoning Ch. 340, Article V District Use Regulations (eCode360) (Town of North Smithfield), quoted and re-checked
  10. North Smithfield Zoning Ch. 340, Article V District Use Regulations (eCode360) (Town of North Smithfield), quoted and re-checked
  11. Laws, Rules and Regulations, quoted and re-checked
  12. Forms / Permits / Applications - Town of North Smithfield (Town of North Smithfield), quoted and re-checked
  13. RISBC-2 Rhode Island State One and Two Family Dwellings, quoted and re-checked
  14. Onsite Wastewater Treatment Systems (OWTS), quoted and re-checked
  15. Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems (Rhode Island statewide rule), quoted and re-checked
  16. Onsite Wastewater Treatment Systems (OWTS), quoted and re-checked
  17. Rules Establishing Minimum Standards Relating to Location, Design, Construction and Maintenance of Onsite Wastewater Treatment Systems (Rhode Island statewide rule), quoted and re-checked
  18. Private Well Care, Repairs, and Construction, quoted and re-checked
  19. R.I. Gen. Laws § 32-7-7 — Definitions (Rhode Island statewide rule), quoted and re-checked
  20. R.I. Gen. Laws § 45-24-73 — Design standards required for accessory dwelling units (Rhode Island statewide rule), quoted and re-checked
  21. North Smithfield Zoning Ch. 340, Article V District Use Regulations (eCode360) (Town of North Smithfield), quoted and re-checked
  22. R.I. Gen. Laws § 23-27.3-100.1 — Short title — Applicability (Rhode Island statewide rule), quoted and re-checked
  23. R.I. Gen. Laws § 45-24-50 — Adoption — Power of council to adopt (Rhode Island statewide rule), quoted and re-checked
  24. Physical Alteration Permit Application Manual (Rhode Island statewide rule), quoted and re-checked
  25. Stormwater Construction Permitting Information, quoted and re-checked
  26. Effective property tax rate: Bolthole Index county data

Written October 14, 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.

Answers from the rulebook for Town of North Smithfield

Town of North Smithfield’s own rules

  • Building permitRequired

    New construction and alterations inside North Smithfield town

    • A building permit does not cover all phases; moving/demolition, electrical, mechanical, plumbing, water and sewer permits may also be required.
    • Site drawing showing setbacks, two sets of structural drawings and homeowner affidavit or authorization required for some permits.
    • Zoning certificates are required prior to approval of a proposed use.
    “all permits must be applied for prior to commencement of work.”
  • Building code adoptedAdopted (with conditions)

    Construction inside North Smithfield town

    • Town page references the International Building / Residential Code; edition not stated on the page.
    “the town of north smithfield references the international building / residential code for the purpose of establishing rules and regulations for the construction, alteration, removal, demolition”
  • Certificate of occupancyRequired

    All buildings inside North Smithfield town

    • Certificate of occupancy or certificate of completion is required prior to occupancy.
    “a certificate of occupancy or certificate of completion is required prior to the occupancy of all buildings.”
  • Local zoningPresent

    All land inside North Smithfield town

    • Three overlay districts (water supply protection, historic, solar photovoltaic) take precedence over underlying district rules.
    “the town of north smithfield is hereby divided into the following 11 zoning districts”
  • Zoning districtsPublished

    Zoning districts inside North Smithfield town

    • Districts: REA, RA, RS, RU, BN, BH, LC, MU-1, MU-2, M, OS; plus three overlay districts.
    “the town of north smithfield is hereby divided into the following 11 zoning districts”
  • Minimum lot sizeDistrict specific (with conditions)

    Single-family lots in RU, RS, RA and REA districts inside North Smithfield town (conventional development or subdivision)

    • Area is contiguous developable area exclusive of land unsuitable for development (wetlands, water bodies, rights-of-way, utility easements, cemeteries).
    • Applies to future residential lots; lots created before the amendments are not subject.
    • Full dimensional table is in Ch. 340 Attachment 3.

    RU minimum developable lot area: >= 20000 sq ft · RS minimum developable lot area: >= 40000 sq ft · RA minimum developable lot area: >= 65000 sq ft · REA minimum developable lot area: >= 120000 sq ft

    “must contain the minimum contiguous developable lot area exclusive of land unsuitable for development as follows: zoning district minimum contiguous developable lot area (square feet) ru-20 20,000 rs-40 40,000 ra-65 65,000 rea-120 120,000”
  • Manufactured homesAllowed (with conditions)

    Manufactured homes on lots zoned for single-family use inside North Smithfield town

    • Must comply with R.I.G.L. § 23-27.3-109.1.3.
    • Must meet all dimensional requirements of a single-family home in the district or seek relief.
    “manufactured homes as defined in r.i.g.l. § 45-24-31, which comply with r.i.g.l. § 23-27.3-109.1.3, shall be considered as a type of single-family home on any lot zoned for single-family use.”
  • Subdividing landRegulated (with conditions)

    Multi-unit or multi-use development and subdivision inside North Smithfield town

    • Governed by the town's land development and subdivision regulations (Ch. 212).
    “uses permitted by right involving the construction of multiple uses or units will require review and approval by the planning board as a land development project.”
  • Permit processPartial

    Building permit applications inside North Smithfield town

    • Some permits require a site drawing showing setbacks, two sets of structural drawings, and homeowner affidavit or authorization.
    • Historic area requires special applications from the historical commission.
    “permits can be obtained in the building official's office.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of North Smithfield or Providence County directly.

  • Owner-builder exemption — Owner-builder permit exemption inside North Smithfield town
  • Inspections — Inspections of construction inside North Smithfield town
  • Minimum dwelling size — Minimum dwelling size inside North Smithfield town
  • Setbacks — Setbacks inside North Smithfield town
  • Lot coverage — Lot coverage inside North Smithfield town
16 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of North Smithfield publishes no rule on the point, not that none exists. Providence County’s page lists the county offices to call.

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