Bolthole Index

Morris County, New Jersey

Building permits, zoning and septic rules in Montville Township, New Jersey

Montville Township, New Jersey requires a building permit from its own Construction Department for most building changes1. The Township, not Morris County, zones land inside its borders, and it lists 35 zone districts23. Septic repairs, alterations and new installations go through the Township's Environmental Health Division4.

At a glance

Building permit
Required from the Montville Construction Department for additions, decks, finished basements and similar work1
Who issues it
Township Construction Department, enforcing the State Uniform Construction Code5
Zoning
Set by the Township, which has 35 zone districts; Morris County does not zone23
Septic
Township Environmental Health Division handles repairs, alterations, new installations and soil logs4
Owner-builder
State rules let a homeowner prepare plans and permit work on their own home; Township specifics not confirmed6
Driveway
At least 12 feet wide, grade no steeper than 10%, on detached one- and two-family lots7

Who to call

Building permits

Montville Township Construction Department

Building permits and construction code inspections inside Montville Township

973-331-3300

195 Changebridge Road, Montville, NJ 07045

Septic permits

Montville Township Environmental Health Division

Septic system repairs, alterations and new installations, soil logs, and wells inside Montville Township

973-331-3314

195 Changebridge Road, Montville, NJ 07045

Contact details are copied from each office’s official page and were checked against it on October 13, 2026.

Off-grid gear

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

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Do you need a building permit in Montville Township, NJ?

Yes. Montville Township requires building permits from its Construction Department before changes such as adding a bedroom or bathroom, building an addition, interior alterations, a deck, an enclosed porch or a finished basement81. The Township also lists a short set of minor jobs, such as painting and carpeting, that do not need one1.

New Jersey applies one Uniform Construction Code statewide, and each municipality enforces it through its own construction official9. Inspections are required during construction, and Montville will not inspect unless the approved plans are on site10.

Who issues building permits in Montville Township, and how do you reach them?

The Montville Township Construction Department issues building permits. It is the Township's State Uniform Construction Code enforcing agency, staffed by a Construction Official and building, plumbing, electrical and fire protection subcode officials5. Contact the Construction Department at the Municipal Building, 195 Changebridge Road, Montville, NJ 07045, or call 973-331-33008.

Morris County does not issue building permits; New Jersey's county-level role in code enforcement is limited11.

Does Montville Township have zoning?

Yes. Montville Township adopts and administers its own zoning and divides the Township into 35 zone districts, including residential, business, office, industrial and overlay districts2. New Jersey counties have no authority to zone unincorporated land, so Morris County does not set Montville's rules3.

Lot size, setbacks, lot coverage, building height and minimum floor area all vary by district under New Jersey's Municipal Land Use Law12131415. Read the standards for the specific district a parcel sits in before you buy. We could not confirm Montville rules on RV occupancy, tiny homes or accessory dwellings; ask the Township Construction Department.

How do septic permits work in Montville Township?

Inside Montville Township, the Township's own Environmental Health Division handles septic system repairs, alterations, new installations and soil logs164. Montville is not among the six Morris County municipalities served by the Morris County Division of Public Health17.

The Township's repair permit covers minor repairs to existing systems only, such as a cracked tank or baffle replacement; replacing a disposal field takes a different application, and a Montville licensed contractor must perform all septic work18. The Township must inspect before the work is backfilled, with 48 hours' notice19.

Statewide, a septic permit is required for realty improvements that need sewerage facilities, and systems must be inspected before they are covered2021. A public waterline changes the picture: a building constructed after a waterline becomes available must connect before occupancy22.

Can you live in an RV or tiny home on your land in Montville Township?

We could not confirm an RV, camping or tiny-home occupancy rule for Montville Township, so do not assume either is allowed. The Township's zoning is district by district, and the Construction Department is the office to ask before you move anything onto a lot8. Manufactured HUD homes used as dwellings are limited statewide23.

Building a home in Montville Township: the steps, in order

  1. Identify the zone district for the parcel and check its lot, setback and height standards2.
  2. Confirm septic or public water and sewer availability with the Environmental Health Division164.
  3. Apply for a building permit from the Construction Department81.
  4. Design the driveway: at least 12 feet wide, no steeper than 10%, with a turnaround, and not within 50 feet of an intersection7.
  5. Schedule inspections through the Township's portal and keep approved plans on site10.
  6. Obtain a certificate of occupancy before moving in; the State requires one for new buildings24.

What to check before you buy land in Montville Township

Montville Township sits in Morris County, where the typical home value is about $717,390 and the effective property tax rate is 1.8%2526. Only about 12.4% of county soils rate as not limited for a conventional septic drain field, so expect a soil evaluation and possibly an engineered system27.

Also check floodplain status, and any driveway onto a state highway, which needs a State access permit28. For land outside Montville, see the Morris County page.

Watch-outs

  • Morris County's rules do not apply inside Montville Township: building permits, zoning and septic permits all come from Township offices14.
  • We could not confirm whether Montville has an owner-builder exemption beyond the state rules that let a homeowner permit work on their own dwelling; ask the Construction Department6.
  • We could not confirm Montville's private-well permit requirement or its floodplain permit text; ask Environmental Health and the Construction Department before drilling or building near water29.

Sources

  1. Building Changes Permits (Montville Township), quoted and re-checked
  2. Article XIV: Zoning Districts Designated (Montville Township), quoted and re-checked
  3. P.L. 2013, c.106 — Municipal Land Use Law amendments (New Jersey statewide rule), quoted and re-checked
  4. Environmental Health (Montville Township), quoted and re-checked
  5. Chapter 129: Construction Codes, Uniform (Montville Township), quoted and re-checked
  6. NJ Dept. of Community Affairs - Construction Permit Application Forms (2026 county census)
  7. ecode360.com (Montville Township), quoted and re-checked
  8. Montville Township Construction Department (montvillenj.org)
  9. Current Construction Codes (New Jersey statewide rule), quoted and re-checked
  10. Inspection Hours (Montville Township), quoted and re-checked
  11. P.L. 2018, c.157 — County Code Enforcement Pilot Program (New Jersey statewide rule), quoted and re-checked
  12. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  13. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  14. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  15. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  16. Montville Township Environmental Health Division (montvillenj.org)
  17. Health Departments – Morris County, NJ, quoted and re-checked
  18. Permit to Repair an Individual Sewage Disposal System (Montville Township), quoted and re-checked
  19. Permit to Repair an Individual Sewage Disposal System (Montville Township), quoted and re-checked
  20. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  21. New Jersey Statutes, R.S. 58:11-23 through 58:11-43 (New Jersey statewide rule), quoted and re-checked
  22. Chapter 399: Wells (Montville Township), quoted and re-checked
  23. Manufactured/Modular Buildings Program (New Jersey statewide rule), quoted and re-checked
  24. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
  25. Typical home value (Zillow): Bolthole Index county data
  26. Effective property tax rate: Bolthole Index county data
  27. 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
  28. Major Access Permits (New Jersey statewide rule), quoted and re-checked
  29. Bulletin 88-10: Private On-Site Water Supply Systems (New Jersey statewide rule), quoted and re-checked

Written October 13, 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 Montville Township

Montville Township’s own rules

  • Building permitRequired

    Building changes and construction inside Montville Township.

    • The Township page lists additions, interior alterations, decks, enclosed porches, bedroom or bathroom additions, basement finishing, and other specified work.
    • The Township separately lists limited work that does not require a permit, including painting, carpeting, some window or door replacement, and some faucet or valve replacement.
    “Building permits must be obtained from the Montville Construction Department before making any of the following changes to a building:”
  • Building code adoptedAdopted

    Building construction inside Montville Township is administered through the Township Construction Department as the State Uniform Construction Code enforcing agency.

    • The Township code designates subcode officials under New Jersey law and N.J.A.C. 5:23.
    • An on-site inspection agency may be retained by contract where permitted by N.J.A.C. 5:23.
    “There is hereby established in the Township of Montville a State Uniform Construction Code enforcing agency, to be known as the "Construction Department," consisting of a Construction Official, Building Subcode Official, Plumbing Subcode Official, Electrical Subcode Official, Fire Protection Subcode Official and other such other subcode officials for such additional subcodes as the Commissioner of the Department of Community Affairs, State of New Jersey, shall hereafter adopt as part of the State Uniform Construction Code.”
  • InspectionsRequired

    Construction work subject to Montville Township building, electrical, plumbing, or fire inspections.

    • Inspection requests must be made when work is ready.
    • Department-approved plans must be available on site or inspection will not take place.
    • Requests are scheduled through the SDL Portal.
    “COPY OF DEPARTMENT APPROVED PLANS MUST BE ON SITE AND AVAILABLE TO THE INSPECTOR(S) OR INSPECTION WILL NOT TAKE PLACE”
  • Zoning districtsPublished

    The zoning districts designated by Montville Township.

    • The code states that the Township is subdivided into 35 zone districts.
    • The code lists residential, affordable-housing, business, office, industrial, redevelopment, overlay, and other districts.

    number of zone districts: 35 districts

    “For the purposes of this chapter, the Township of Montville is hereby subdivided into 35 zone districts as follows:”
  • Who permits septicLocal

    Septic-system repairs, alterations, new installations, soil logs, and related environmental-health administration inside Montville Township.

    • The Township Environmental Health Division identifies these functions as its responsibility.
    “The Environmental Health Division is responsible for a wide variety of annually required public and environmental health inspections, including:”
  • Septic permitRequired

    Repair of an individual sewage disposal system inside Montville Township.

    • The cited permit is for minor repairs to existing systems only, such as a cracked tank, baffle replacement, or cracked line.
    • More extensive work, such as replacing a disposal field, requires a different application.
    • A Montville Township licensed contractor must perform all septic work.
    “This permit shall be used in cases of minor repairs to existing septic systems only (cracked tank, baffle replacement, cracked line, etc.). In the event that more extensive work is needed on the system (replace the disposal field, etc.), a different application will be required.”
  • Septic inspectionRequired

    Septic-system work inside Montville Township covered by the Township Health Department permit process.

    • Inspection must occur before backfilling.
    • The contractor must contact the department 48 hours in advance.

    inspection notice: 48 hours

    “This department must inspect all work prior to back filling. It is the contractor’s responsibility to contact us for an inspection. Please contact us 48 hours in advance of the requested inspection time.”
  • Mandatory utility hookupWater (with conditions)

    Buildings inside Montville Township when a public waterline is available to serve the building.

    • A building constructed after a waterline becomes available must connect when construction is completed and before occupancy.
    • For certain contaminated or potentially contaminated wells, the Township code requires connection within 60 days of notice.
    • NJDEP-designated monitoring wells are exempt until NJDEP directs abandonment.

    connection deadline after notice: 60 days (for the contaminated-well connection rule)

    “Any building built after the date when a waterline is available to serve said building shall connect to such waterline at the time such construction is completed and prior to occupancy.”
  • Driveway accessRequired

    Detached single- or two-family residential lots inside Montville Township.

    • Driveway must be at least 12 feet wide and have a grade not exceeding 10%.
    • A viable K-turn or similar turnaround is required except on cul-de-sac streets.
    • No driveway may be within 50 feet of an intersection.
    • A written request may allow reduced paving when the dwelling setback exceeds 100 feet, subject to Township Engineer conditions.

    minimum driveway width: >= 12 feet · maximum driveway grade: <= 10 percent · minimum distance from intersection: >= 50 feet

    “A driveway, designed in accordance with the standards set forth in Schedule B, not less than 12 feet in width and having a grade not exceeding 10% shall be installed on each detached single- or two-family residential lot between the curb and dwelling.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Montville Township or Morris County directly.

  • Owner-builder exemption — Owner-builder exemption for construction inside Montville Township.
  • Minimum dwelling size — Minimum dwelling size in Montville Township residential districts.
  • Living in an RV — Occupancy of recreational vehicles on land inside Montville Township.
  • Camping on your land — Temporary camping on land inside Montville Township.
  • Tiny homes — Tiny-home occupancy inside Montville Township.
7 more unanswered
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • Building in a floodplain
  • 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 Montville Township publishes no rule on the point, not that none exists. Morris County’s page lists the county offices to call.

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