Bolthole Index

Rockingham County, New Hampshire

Zoning, building permits and septic rules in the Town of Rye, New Hampshire

The Town of Rye, New Hampshire requires a building permit from its building inspector for new buildings and septic systems1. Rye also runs its own zoning, with use districts and minimum lot sizes2. Septic designs are approved by the state environmental agency, NHDES3. Living in an RV on a lot is limited to a short temporary permit4.

At a glance

Building permit
Required from the Rye building inspector for new, enlarged or moved buildings1
Zoning
Town zoning with single residence, general residence, business, commercial, recreation and conservation districts2
Septic
Town building permit plus NHDES design approval53
Minimum lot (single residence)
66,000 sq ft with 200 ft frontage6
RV living
Temporary only: a Board of Adjustment permit of up to 90 days for the owner's family4
Accessory dwelling
One unit inside a single-family home, by conditional use permit7
Owner-builder
State rule requires a permit before work starts8

Who to call

Building permits

Town of Rye Building Department

Building permits, inspections and certificates of occupancy inside the Town of Rye

603-964-9800

10 Central Road, Rye, NH 03870

Planning & zoning

Town of Rye Planning Department

Planning board and zoning board of adjustment applications in the Town of Rye

603-379-8081

10 Central Road, Rye, NH 03870

Septic permits

New Hampshire Department of Environmental Services

Review of septic designs and issuance of construction and operation approvals statewide

(603) 271-3503

29 Hazen Drive, Concord, NH 03302-0095

Online permits →

Contact details are copied from each office’s official page and were checked against it on October 23, 2026.

Off-grid gear

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

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Does Rye, NH have zoning, and what does it mean for RVs, tiny homes, lot size and setbacks?

The Town of Rye, in Rockingham County, divides its land into single residence (SR), general residence (GR), public recreation, business, commercial and conservation districts, plus overlay districts2. The Rye Beach village district follows a separate zoning ordinance9.

In the single residence district, a house lot needs at least 66,000 square feet, with at least 200 feet of frontage and 150 feet of depth6. Buildings need a front yard of at least 40 feet, which may shrink to the average of the neighboring lots' front yards10. Buildings and impervious surfaces together may cover no more than 15% of the lot11, and no building may exceed 35 feet12.

In the general residence district, the ordinance text shows a 44,000-square-foot minimum for a single-family lot and a 30-foot front yard1314. Confirm the GR figures with the Planning Department before relying on them.

We could not confirm a tiny-home definition in Rye's ordinance. New Hampshire lets a municipality permit innovative housing such as tiny houses15, so ask the Planning Department how Rye treats one.

Do you need a building permit in Rye, NH, and who issues it?

Yes. Rye's zoning ordinance bars any new, enlarged or moved building, structure or subsurface waste disposal system until the building inspector issues a building permit1. Work that the state building code or Rye's building code exempts is the exception1.

Rye adopted its current building code at town meeting in March 2025, and it works alongside the New Hampshire state building code16. Work the permit covers is inspected by the building inspector17. A new building or major addition cannot be occupied until the building inspector issues a certificate of occupancy18.

Applications are filed in writing on the town's form, with the fee and a drawing19. The fee schedule is kept at the building inspector's office20. Rockingham County does not issue these permits; New Hampshire counties do not administer building codes21. The Rye Building Department is the office to call22.

How do septic permits work in Rye, NH?

Septic in Rye takes two approvals. The Rye building inspector issues a building permit for any new, enlarged or moved subsurface waste disposal system23. The state environmental agency, NHDES, reviews the design and issues the construction and operation approvals5.

NHDES says plans must come from a permitted New Hampshire septic system designer, and an approval for construction and one for operation are both needed before a system is used3.

Rockingham County soils matter here: about 0.9% of county soils rate as not limited for a conventional drain field, so most lots need a site evaluation and often an engineered system24. We could not confirm whether Rye requires a connection to public sewer where it is available; ask the Rye Building Department22.

Can you live in an RV or tiny home on your land in Rye, NH?

Not for long. Rye's Board of Adjustment may, after a public hearing, grant a temporary permit of up to 90 days for one mobile home or house trailer, for the owner or the owner's immediate family4. The permit cannot be renewed without another public hearing4.

Tents and recreational trailers are not allowed as camping sites in any Rye district apart from that temporary-permit exception25. Storing one motor home or camping trailer on a lot is permitted4.

Mobile home parks need a special exception and a tract of at least 10 acres26. We could not confirm a tiny-home rule; the Planning Department can say how Rye treats one.

Can you add an accessory dwelling unit in Rye, NH?

Rye allows one accessory dwelling unit inside a single-family dwelling in the single residence, general residence and business districts, with a planning board conditional use permit7. The unit may have no more than two bedrooms and must be between 600 and 1,200 square feet, with a kitchen sink and one full bathroom7.

State law separately requires municipalities with zoning to allow one accessory dwelling unit27.

Building a home in Rye, NH: the steps, in order

  1. Check the zoning district and lot dimensions with the Planning Department228.
  2. If the land is part of a subdivision, confirm the planning board has given final plat approval, since no permit is issued before that29.
  3. For a driveway onto a town road, get a Department of Public Works curb-cut permit first30.
  4. Have a permitted designer prepare the septic plan and submit it to NHDES3.
  5. File the building permit application with the Building Department1922.
  6. Build with inspections, then get a certificate of occupancy before moving in1718.

What stays with Rockingham County and the state, and what to check before you buy in Rye?

Rockingham County has no zoning powers over land use31, so Rye's town rules govern lot size and setbacks. Septic approval rests with the state32. For land outside Rye, see the Rockingham County page.

Check whether the lot lies in a flood-prone area: new construction there must meet Rye's floodplain management chapter, and the flood hazard map is kept at the building inspector's office33. Driveways may not sit within 10 feet of an abutting property line30.

Taxes are county-level figures: Rockingham County's effective property tax rate is 1.6%34.

Watch-outs

  • Rye's zoning figures come from the ordinance as revised in March 2023, and later amendments were not checked, so confirm current dimensions with the Planning Department9.
  • The Rye Beach village district follows a separate zoning ordinance, so the district rules here may not apply there9.
  • We could not confirm whether Rye has an owner-builder exemption, a private well permit rule or a short-term rental rule; ask the Building Department22.
  • State law requires a permit before owner-builder work starts, so building your own house does not skip the permit8.

Sources

  1. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  2. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  3. New Hampshire Department of Environmental Services (des.nh.gov)
  4. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  5. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  6. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  7. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  8. RSA 155-A:4 — Permit Required (2026 county census)
  9. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  10. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  11. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  12. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  13. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  14. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  15. RSA 674:82 Definitions, quoted and re-checked
  16. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  17. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  18. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  19. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  20. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  21. Town of Exeter Building Department (2026 county census)
  22. Town of Rye Building Department (ryenh.gov)
  23. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  24. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  25. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  26. Town of Rye, NH Zoning Ordinance (chapter 190, revised March 14, 2023) (Town of Rye), quoted and re-checked
  27. RSA 674:72 Accessory Dwelling Units, quoted and re-checked
  28. Town of Rye Planning Department (ryenh.gov)
  29. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  30. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  31. Rockingham County Housing and Community Development Plan, January 1998, quoted and re-checked
  32. Section 485-A:32 Prior Approval; Permits, quoted and re-checked
  33. Rye Building Code, Chapter 35 of the Rye General Code (re-adopted March 11, 2025) (Town of Rye), quoted and re-checked
  34. Effective property tax rate: Bolthole Index county data

Written October 23, 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 Rye

Town of Rye’s own rules

  • Building permitRequired

    New buildings, structures and subsurface waste disposal systems erected, enlarged or moved inside Rye town

    • No building permit is needed where the state building code or the Rye building code exempts the work (section 190-8.1a).
    • Construction may proceed after the permit is issued.
    “no building, structure, or subsurface waste disposal system hereafter erected, enlarged or moved in whole or in part for any purpose, until a building permit shall have been issued by the building inspector”
  • Building code adoptedAdopted (with conditions)

    Construction, alteration and occupancy of buildings and structures inside Rye town limits

    • Adopted by town meeting on March 11, 2025 (article 4) as chapter 35 of the Rye General Code.
    • The code replaces in its entirety the building code enacted March 14, 2000.
    • It operates alongside the New Hampshire state building code and may not be less stringent than it; the state code governs unless a structure is expressly exempt.
    “this building code replaces in its entirety the building code enacted on march 14, 2000”
  • InspectionsRequired

    Work on buildings and structures inside Rye town that requires a building permit

    • The captured page cuts off the clause after 'where a permit is requir'; the full permit-trigger wording in section 35-4 was not confirmed.
    • Inspection stages and scheduling were not captured.
    “have authority to and shall visit and inspect each and every structure upon which work is being done, where a permit is required, as often as necessary”
  • Certificate of occupancyRequired

    Buildings in Rye town for which the building code calls for a certificate of occupancy

    • The building code incorporates the certificate of occupancy rules of zoning section 190-8.2; that section was not opened, so triggers and procedure are unverified.
    • Fees for certificates of occupancy are set by the building inspector.
    “no new building or structure or major reconstruction or addition shall be occupied or used, in whole or in part, until a certificate of occupancy shall have been issued by the building inspector”
  • Local zoningPresent (with conditions)

    Land inside Rye town limits outside the Rye Beach village district

    • The Rye Beach village district is governed by a separate Rye Beach zoning ordinance (eCode360 chapter RBZ), which this claim does not cover.
    • Use districts and dimensional rules below come from chapter 190 as revised March 14, 2023; later amendments were not checked.
    “the town of rye is hereby divided into the following use districts”
  • Zoning districtsPublished (with conditions)

    Zoning use districts of Rye town inside town limits

    • Use districts: single residence (SR), general residence (GR), public recreation (REC), business (B), commercial (C) and conservation (CON), plus overlay districts in article III.
    • The map is kept on file with the town clerk; the official zoning map is titled 'zoning map of rye, new hampshire' and was last revised in 2023 per section 190-2.1.
    “single residence district (sr) general residence district (gr) public recreation district (rec) business district (b) commercial district (c) conservation district (con)”
  • Minimum lot sizeSpecified

    Single-family and two-family dwelling lots in the General Residence (GR) district inside Rye town

    • The 44,000 sq ft and 88,000 sq ft text sits in the GR section that cross-references the two-family standards of section 190-2.4c(6); confirm this governs single-family GR lots before relying on it.
    • Frontage and depth of 150 ft each apply to single-family lots in the same text.

    minimum lot area, single-family: >= 44000 sq ft · minimum lot area, two-family: >= 88000 sq ft

    “no building shall be erected on a lot containing less than 44,000 square feet. two-family dwellings require a minimum of 88,000 square feet of lot area. the frontage of any single-family dwelling lot shall be at least 150 feet and the depth of a lot shall be at least 150 feet.”
    One more reviewed finding on this topic
    • Specified — Single-family dwelling lots in the Single Residence (SR) district inside Rye town
      “no building shall be erected on a lot containing less than 66,000 square feet. the frontage of any lot shall be at least 200 feet and the depth of any lot shall be at least 150 feet, but in combination shall constitute the required area of 66,000 square feet.”
  • SetbacksSpecified

    Buildings on lots in the Single Residence (SR) district inside Rye town

    • Front yard may be reduced to the average depth of front yards on adjacent lots, as the ordinance allows.
    • Side yard: 20 ft on each side. Rear yard: one quarter of lot depth or 30 ft, whichever is less.

    minimum front yard depth: >= 40 ft (may be reduced to the average of adjacent front yards) · minimum side yard width: >= 20 ft · rear yard depth: <= 30 ft (or one quarter of lot depth, whichever is less)

    “there shall be in front of every building a front yard having a minimum depth of 40 feet, provided that no front yard need be deeper than the average of the depths of front yards on the lots next thereto on either side”
    One more reviewed finding on this topic
    • Specified — Buildings on lots in the General Residence (GR) district inside Rye town
      “there shall be in front of every building a front yard having a minimum depth of 30 feet, provided that no front yard need be deeper than the average of the depths of front yards on the lots next thereto on either side”
  • Lot coverageSpecified

    Lots in the Single Residence (SR) district inside Rye town

    • Coverage counts dwellings, open porches, decks, garages, carports, barns, sheds, other accessory buildings, patios, unwalled covered areas, driveways, sidewalks, walkways and other impervious surfaces.

    maximum lot coverage: <= 15 percent of lot

    “shall occupy no more than 15% of the lot.”
  • Building heightSpecified

    Buildings and structures in the Single Residence (SR) district inside Rye town

    • Silos used for farm storage, protective netting at golf courses and wireless telecommunication towers are exempt.

    maximum building height: <= 35 ft (silos for farm storage, golf course netting and wireless telecommunication towers exempt)

    “no building or structure shall exceed 35 feet in height as measured from grade. silos used for storage related to farming, protective netting structures at a golf course and wireless telecommunication towers are exempt from this limitation.”
  • Living in an RVTemporary only (with conditions)

    Occupying a recreational vehicle or house trailer as a dwelling on private land inside Rye town

    • A single mobile home or house trailer may be placed on a lot under a Board of Adjustment temporary permit after public hearing, for use by the owner or the owner's immediate family.
    • The temporary permit is not renewable without further public hearing.
    • Storage of one motor home or camping trailer on a lot is permitted.

    temporary permit maximum duration: <= 90 days (single mobile home or house trailer; not renewable without further public hearing)

    “the board of adjustment may, after public hearing, grant a temporary permit not to exceed 90 days for a single mobile home or house trailer to be placed upon a lot in any district and used by the owner or owner's immediate family.”
  • Camping on your landLimited

    Camping with tents or recreational trailers on private land inside Rye town

    • Tents and recreational trailers are not permitted on any site in any district except as provided in section 190-4.0h (temporary permits).
    • Tourist camps and cabins are not permitted in single residence or general residence districts.
    “no unit, motel or cabin shall be permitted on any site within a single residence district or general residence district and no site for use by tents or recreational trailers shall be permitted in any district except as provided in § 190-4.0h.”
  • Manufactured homesLimited

    Occupying a mobile or manufactured home on a lot inside Rye town

    • Mobile home parks require a special exception from the Board of Adjustment and a tract of at least 10 acres (section 190-4.0b and c).
    • Mobile home subdivisions require at least 10 lots and are restricted to mobile homes (section 190-4.0f).
    • Mobile homes in parks and subdivisions must meet the NH RSA 674:31 manufactured housing standards.

    minimum mobile home park tract size: >= 10 acres

    “all mobile homes located in mobile home parks and subdivisions shall meet the standards for manufactured housing of nh rsa 674:31”
  • Accessory dwellingsLimited

    One accessory dwelling unit within a single-family dwelling in the single residence, general residence or business districts inside Rye town

    • Requires a planning board conditional use permit.
    • The accessory unit is an integrated part of the single-family dwelling and may have no more than two bedrooms.
    • The unit must include a separate cooking area with a kitchen sink and one full bathroom.

    accessory dwelling unit floor area minimum: >= 600 sq ft · accessory dwelling unit floor area maximum: <= 1200 sq ft

    “each accessory dwelling unit shall have a minimum floor area of 600 square feet and a maximum floor area of 1,200 square feet and shall contain, at a minimum, a separate cooking area with a kitchen sink, one full bathroom, and not more than two bedrooms.”
  • Who permits septicMixed (with conditions)

    Subsurface sewage disposal systems on land inside Rye town

    • The Rye building inspector issues the permit for a subsurface waste disposal system under zoning section 190-8.1a and administers sewage disposal under the building code.
    • The state environmental agency (NHDES) completes the operational inspection and approval of a septic system; the town chapter 126 sewage disposal rules were listed on eCode360 but not opened.
    “including sewage disposal and other utility systems, within the town of rye”
  • Septic permitRequired

    New, enlarged or moved subsurface waste disposal systems inside Rye town

    • Issued as a building permit by the building inspector.
    • Construction may proceed after the permit is issued.
    “no building, structure, or subsurface waste disposal system hereafter erected, enlarged or moved in whole or in part for any purpose, until a building permit shall have been issued by the building inspector”
  • Subdividing landRegulated (with conditions)

    Subdivided land inside Rye town

    • No building permit is issued for construction in a subdivision plat until the planning board gives final approval and the plat is filed with the Rockingham County register of deeds.
    • Subdivision procedure is in chapter 202, land development regulations, which was not opened.
    “no permits shall be issued for proposed construction within a subdivision plat unless said plat has been given final approval by the planning board of the town of rye”
  • Driveway accessRequired

    Curb cuts and driveways serving lots inside Rye town

    • A curb cut onto a town road needs a valid Department of Public Works permit before the building inspector issues a permit.
    • Driveways may not be built within 10 ft of an abutting property line.

    driveway setback from abutting property line: >= 10 ft

    “driveways may not be constructed within 10 feet of an abutting property line.”
  • Building in a floodplainRequired

    New construction and substantial improvements on a building site in a flood-prone area inside Rye town

    • Must comply with chapter 60, floodplain management, of the Rye code (not opened).
    • The flood hazard district map is kept in the building inspector's office.
    “if a proposed building site is in a flood-prone area, all new construction and substantial improvements (including the placement of prefabricated buildings and mobile homes) shall comply with chapter 60, floodplain management, of the town code.”
  • Permit feesPublished (with conditions)

    Building permit fees in Rye town

    • The fee schedule is available in the building inspector's office during business hours; fee amounts were not in the pages read and are not stated here.
    • Fees also cover inspections and certificates of occupancy.
    “the schedule of fees shall be available in the building inspector's office during normal business hours.”
  • Permit processPartial

    Building permit application process in Rye town

    • Applications are filed on a form prescribed by the selectmen; the form, required plans and review timelines were not captured.
    • Building code administrative procedure follows zoning sections 190-8.0 through 190-8.3.
    “filed in writing on a form prescribed by the selectmen; (b) accompanied by the required permit fee; and (c) accompanied by a drawing”

Still unanswered

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

  • Owner-builder exemption — Owner-builder permit exemption for a home inside Rye town
  • Tiny homes — Occupying a tiny home on a lot inside Rye town
  • Off-grid sanitation — Off-grid or non-septic sanitation for a home inside Rye town
  • Well permit — Drilling a private water well for a home inside Rye town
  • Mandatory utility hookup — Whether a new home inside Rye town must connect to public water or sewer when available
2 more unanswered
  • Agricultural exemption
  • Short-term rentals

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 Rye publishes no rule on the point, not that none exists. Rockingham County’s page lists the county offices to call.

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