Bolthole Index

Monmouth County, New Jersey

Zoning, building permits and septic rules in Holmdel Township, New Jersey

Holmdel Township, New Jersey sets its own zoning, divided into districts on an official map1. The Township also runs its own State Uniform Construction Code enforcing agency, which handles building permits2. Septic permits come from the Holmdel Board of Health or its authorized agent, not the zoning office3. Monmouth County itself does not zone4.

At a glance

Zoning
Set by Holmdel Township, in districts on its Zoning Map; uses not expressly permitted are prohibited1
Building permits
Issued by the Township's construction code enforcing agency under the state code2
Septic permit
Required from the Board of Health before building or altering a system3
Owner-builder
A new-home builder registration exemption exists for personal use; a septic contractor-license exemption applies only to repairs of an existing system56
Farm buildings
Still need building permits; site plan approval is waived unless the public is invited7
Wells
State well drilling permit required; township rule not confirmed8

Who to call

Building permits

Holmdel Township Buildings & Construction (Construction Official)

Building permits and inspections under the State Uniform Construction Code inside Holmdel Township

732-946-2820

4 Crawfords Corner Road, Holmdel, NJ 07733

Zoning

Holmdel Township Zoning Office

Zoning questions for land inside Holmdel Township

732-946-2820

4 Crawfords Corner Road, Holmdel, NJ 07733

Health department

Monmouth County Office of Public Health

Septic and well approvals and inspections for county health department member municipalities; ask whether Holmdel's septic work is routed here

732-431-7456

3000 Kozloski Rd., Freehold, NJ 07728

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 Holmdel Township means bringing your own water and power. The kit we’d start with:

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Does Holmdel Township have zoning, and what does it mean for RVs and tiny homes?

Yes. Holmdel Township divides its land into zoning districts shown on the Township's Zoning Map1. The zoning chapter also says that uses not expressly permitted are prohibited1, so an RV, tiny home or accessory dwelling is not allowed just because the code is silent on it.

We could not confirm a Holmdel rule on living in an RV, camping on private land, tiny homes or accessory dwellings. Ask the Holmdel Zoning Office9 which district your parcel is in and whether the use is listed there.

New Jersey lets each municipality set minimum lot size, setbacks, building height and lot coverage by district1011, so the numbers depend on the district, not on the Township as a whole.

Do you need a building permit in Holmdel Township, and who issues it?

Construction in Holmdel is regulated under New Jersey's Uniform Construction Code, and the Township runs its own enforcing agency through its Construction Official and subcode officials2. State rules require a permit for construction, enlargement, alteration, renovation and demolition, with a lighter minor-work permit and a no-permit category for ordinary maintenance12.

The Township's own code pages did not give us a full list of what needs a permit, so confirm the specific job with the Buildings & Construction office13. Farm accessory buildings still need building permits, but site plan approval is not required unless the public is invited in for retail sales or services7. Monmouth County does not issue building permits14.

How do septic permits work inside Holmdel Township?

No one may locate, construct, reconstruct, renovate, alter, repair or extend an individual sewerage disposal system in Holmdel until the Board of Health has issued a permit3. The application calls for surveys, engineering data, professional-engineer certification and soil tests, and the Township's code sets the fees3.

Before final-bed approval the installing contractor must submit a rough as-built showing the system triangulated off the dwelling, and a compliance statement and certified as-builts are due on completion15. On lots that abut a street with a public sanitary sewer line, the code makes septic tanks and cesspools unlawful, subject to exceptions16.

Monmouth County's Office of Public Health handles septic approvals and inspections only for its member municipalities17. We could not confirm whether Holmdel's septic work is routed there, so ask the county health office18 or the Township at 732-946-28209.

Can you build your own home in Holmdel Township?

New Jersey exempts a person who builds a new home for personal use from new-home-builder registration5. The owner-builder must still file a Department of Community Affairs affidavit before a certificate of occupancy is issued19.

Holmdel's own owner-builder provision is narrow: a resident-owner may skip the septic contractor license only when repairing or altering an existing system, completes the entire project personally, and still needs a permit6. It does not cover a new septic system.

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

  1. Ask the Zoning Office which district your lot is in and whether your use is permitted9.
  2. Contact the Board of Health about septic design and soil testing before you design the house3.
  3. Apply for building permits with the Construction Official's office13.
  4. If the site touches a state highway, a state access permit is required20; a county road may bring county review21.
  5. Pass inspections at each stage22.
  6. Obtain a certificate of occupancy before moving in23.

What stays with Monmouth County, and what to check before you buy in Holmdel?

Monmouth County does not zone or issue building permits for Holmdel; it reviews subdivisions and site plans that affect county roads, drainage facilities or county property2425. Land outside Holmdel is covered on the Monmouth County page.

Before you buy, check septic feasibility and flood hazard rules, which the Township's code addresses in a chapter on construction in flood hazard areas that we could not fully review. County context: Monmouth County's effective property tax rate is about 1.8%26, the typical home value is about $787,00027, and few soils rate as well suited to a conventional septic field28, so expect a site evaluation and possibly an engineered system.

Watch-outs

  • We could not confirm Holmdel's rules on RV occupancy, tiny homes, accessory dwellings, short-term rentals or private-land camping; ask the Zoning Office before relying on any of them9.
  • We could not confirm whether a private well needs a Township permit; the State requires a permit to drill a well8, so ask the Board of Health through the Township.
  • Floodplain: the Township's code has a chapter on construction in flood hazard areas that we could not review in detail; ask the Construction Official before buying near a stream13.
  • Uses not expressly permitted in the zoning chapter are prohibited, so silence in the code is not permission1.

Sources

  1. Article V Zoning (Holmdel Township), quoted and re-checked
  2. Chapter 10 Building and Construction (Holmdel Township), quoted and re-checked
  3. Chapter BH6 Individual Sewerage Disposal and Water Supplies (Holmdel Township), quoted and re-checked
  4. P.L. 2013, c.106 — Municipal Land Use Law amendments (New Jersey statewide rule), quoted and re-checked
  5. Builder Registration and New Home Warranty for Builders (New Jersey statewide rule), quoted and re-checked
  6. Chapter BH6 Individual Sewerage Disposal and Water Supplies (Holmdel Township), quoted and re-checked
  7. ecode360.com (Holmdel Township), quoted and re-checked
  8. Bulletin 88-10: Private On-Site Water Supply Systems (New Jersey statewide rule), quoted and re-checked
  9. Holmdel Township Zoning Office (holmdeltownship-nj.com)
  10. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  11. P.L. 2013, c.106 (Municipal Land Use Law amendments) (New Jersey statewide rule), quoted and re-checked
  12. N.J.A.C. 5:23-2.14, Construction permits—when required (New Jersey statewide rule), quoted and re-checked
  13. Holmdel Township Buildings & Construction (Construction Official) (holmdeltownship-nj.com)
  14. NJ DCA - The New Jersey State Uniform Construction Code (2026 county census)
  15. Chapter BH6 Individual Sewerage Disposal and Water Supplies (Holmdel Township), quoted and re-checked
  16. Chapter 18 Sewers (Holmdel Township), quoted and re-checked
  17. Office of Public Health Consumer Public Health/Inspection Services, quoted and re-checked
  18. Monmouth County Office of Public Health (co.monmouth.nj.us)
  19. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
  20. Major Access Permits (New Jersey statewide rule), quoted and re-checked
  21. Monmouth County Development Regulations, Volume I — Application, Review and Approval Procedures, quoted and re-checked
  22. New Jersey Department of Community Affairs, New Home Warranty—Consumer Information (New Jersey statewide rule), quoted and re-checked
  23. N.J.A.C. 5:23, Uniform Construction Code (New Jersey statewide rule), quoted and re-checked
  24. Monmouth County Development Regulations Volume I, quoted and re-checked
  25. Monmouth County Development Regulations Volume I, quoted and re-checked
  26. Effective property tax rate: Bolthole Index county data
  27. Typical home value (Zillow): Bolthole Index county data
  28. 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

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 Holmdel Township

Holmdel Township’s own rules

  • Owner-builder exemptionAvailable (with conditions)

    A resident-owner personally reconstructing, renovating, altering, repairing, or extending an existing individual sewage disposal facility in Holmdel Township.

    • The exemption is only from the individual-sewerage-system contractor license.
    • The resident-owner must assume responsibility and complete the entire project himself.
    • All State of New Jersey and Board of Health regulations still apply.
    • A permit is still required.
    “No license shall be required of any resident-owner for premises for which a permit is sought for the reconstruction, renovation, alteration, repair or extension of an existing individual sewerage disposal facility”
  • Building code adoptedAdopted (with conditions)

    State Uniform Construction Code enforcement inside Holmdel Township.

    • The Township enforces the State Uniform Construction Code through its Construction Official and subcode officials.
    • The Township code references P.L. 1975, c. 217 and N.J.A.C. 5:23.
    “There is hereby established in the Township, of Holmdel a State Uniform Construction Code Enforcing Agency”
  • Local zoningPresent

    Zoning regulation and administration for land inside Holmdel Township.

    • The Township's zoning districts are shown on the Official Zoning Map.
    • All uses not expressly permitted in the zoning chapter are prohibited.
    “The Township is divided into zoning districts as enumerated below and as shown on the Zoning Map.”
  • Septic permitRequired

    Locating, constructing, reconstructing, renovating, altering, repairing, or extending an individual sewage disposal system inside Holmdel Township.

    • Permit issued by the Board of Health or its duly authorized agent.
    • Application, surveys, engineering data, professional-engineer certification, soil tests, and applicable fees are required as stated in § BH6-2.2.
    “No person shall locate, construct, reconstruct, renovate, alter, repair or extend an individual sewerage disposal system within the Township until a permit has been issued by the Board of Health.”
  • Septic inspectionRequired

    Individual sewage disposal system installation inside Holmdel Township.

    • Before final-bed approval, the contractor must submit a rough as-built showing triangulation of the installed disposal system off the dwelling.
    • Upon completion, a compliance statement and certified as-built drawings are required.
    “Prior to a certified as-built, and before an approval on a final bed inspection is issued by the Administrative Authority, a rough as-built must be submitted by the contractor installing the system showing a triangulation of the installed disposal system off the dwelling.”
  • Off-grid sanitationProhibited

    Privies, privy vaults, septic tanks, cesspools, or other sewage-disposal facilities on lots abutting a street, alley, or right-of-way containing a public sanitary sewer line.

    • The ordinance begins the prohibition with 'Except as hereinafter provided'; those exceptions were not fully resolved in the opened passage.
    “Except as hereinafter provided, it shall be unlawful to construct or maintain any privy, privy vault, septic tank, cesspool or other facility intended or used for the disposal of sewage on any lot within the Township that abuts a street, alley or right-of-way in which there is located a public sanitary sewer line.”
  • Agricultural exemptionConditional

    Accessory buildings incident to farms inside Holmdel Township.

    • Building permits are still required.
    • Site plan approval is not required unless the public is invited for retail sales or services.
    “Accessory buildings incident to farms as defined above shall require application for and issuance of building permits but shall not be required to obtain site plan approval unless it is intended that the general public shall be invited to such building or buildings for the purpose of retail sales of goods or services.”

Still unanswered

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

  • Building permit — General new residential construction and alterations inside Holmdel Township.
  • Inspections — Building inspections inside Holmdel Township.
  • Certificate of occupancy — Certificates of occupancy for buildings inside Holmdel Township.
  • Living in an RV — Occupancy of recreational vehicles on private land inside Holmdel Township.
  • Camping on your land — Temporary camping on private land inside Holmdel Township.
5 more unanswered
  • Tiny homes
  • Accessory dwellings
  • Well permit
  • 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 Holmdel Township publishes no rule on the point, not that none exists. Monmouth County’s page lists the county offices to call.

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