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

Town of Epsom’s own rules

• Building permitLimited

  Construction inside Epsom town limits: the Town does not issue building, electrical, or plumbing permits; only zoning permits are issued by the Town.

  • Zoning permits are issued by the Zoning Compliance Officer; the permit application, list of required permits and fees are in a PDF on the town page that was not opened.
  • Septic approval from NHDES is separate (see septic claims).

  “Additionally, the Town does not issue permits relative to such projects. Zoning permits are issued by our Zoning Compliance Officer.”

• Building code adoptedNot adopted (with conditions)

  Construction inside Epsom town limits: the Town has not adopted a building code of its own.

  • Contractors must defer to the state codes, per the same town page; the state codes that apply were not separately verified.

  “Please be advised that the Town of Epsom has not adopted building codes, therefore the Town does not have a building inspector, electrical inspector, or plumbing inspector.”

• Local zoningPresent (with conditions)

  Land inside Epsom town limits: the Town's own Epsom Zoning Ordinance, administered by the Zoning Compliance Department.

  • The ordinance text (Zoning Ordinance Revised April 2023 per search results) was not retrieved; the PDF links returned 404 and no district, dimensional, or use provisions were verified.

  “The Zoning Compliance Department is responsible for the administration and enforcement of the Epsom Zoning Ordinance.”

• Permit processPartial

  Zoning permit process inside Epsom town limits; building, electrical, and plumbing permits are not issued by the Town.

  • The zoning permit application and fee list are in a PDF on the town page that was not opened, so the steps are only partly known.
  • Septic approval is handled by NHDES separately.

  “Zoning permits are issued by our Zoning Compliance Officer. The zoning permit application, list of required permitting, as well as their respective fees can be found in the PDF list below.”

Rules another office applies inside Town of Epsom

Town of Epsom does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

• Who permits septicState (with conditions)

  Septic systems on land inside Epsom town limits: NHDES reviews and approves septic design and construction, and the NHDES approval applies inside Epsom town.

  • NHDES says local approval applies 'if required' by the municipality; Epsom's status on the NHDES list of communities requiring local approval was not verified.
  • The town page refers residents to NHDES septic resources.

  “after we (and if required, your local municipality) approve your proposed plans, we issue you an approval for septic system construction.”

• Septic permitRequired

  New or altered septic systems serving homes inside Epsom town limits, approved by NHDES.

  • Approval for construction must be obtained before the system is used; approval for operation follows construction.
  • Construction approval is also needed before converting a seasonal structure to full-time use, before increasing the load on an existing system, or before additions to a structure (per NHDES).

  “before you use your septic system, you need both an approval for construction and an approval for operation.”

• Septic inspectionRequired

  Newly constructed septic systems serving homes inside Epsom town limits.

  • Operational approval follows NHDES inspection of the newly constructed system.

  “a nhdes inspector will inspect the newly constructed septic system and evaluate the system”

Still unanswered

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

• Owner-builder exemption — Owner-builder exemption for residential construction inside Epsom town limits.
• Certificate of occupancy — Certificate of occupancy for new homes inside Epsom town limits.
• Zoning districts — Zoning districts of the Epsom Zoning Ordinance inside Epsom town limits.
• Minimum dwelling size — Minimum dwelling size in the main single-family residential district inside Epsom town limits.
• Minimum lot size — Minimum lot size in the main single-family residential district inside Epsom town limits.

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.

Off-grid gear

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

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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