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

Town of Brentwood’s own rules

• Local zoningPresent

  Land inside Brentwood town limits, administered by the Town under its own Zoning and Land Use Ordinance and Zoning Board of Adjustment

  • The compiled PDF is undated and its amendment notes run to 2017; confirm against the current adopted text before relying on it.

  “a. special exceptions to this ordinance may be granted by the zoning board of adjustment under certain conditions.”

• Zoning districtsPublished

  Brentwood town zoning districts: commercial/industrial, multi-family/professional office, town center zone district 1, residential/agricultural, and cluster residential

  • The zoning map the ordinance refers to was not opened; district boundaries are not verified here.

  “300.001.004 residential/agricultural district”

• Minimum lot sizeDistrict specific (with conditions)

  Cluster residential district (Section 300.002.007) inside Brentwood town, cluster developments only

  • Residential use in a cluster development is restricted to single-family detached dwellings and accessory structures.
  • Density is set by the town soil-type lot size regulations.

  minimum lot size for cluster development: >= 20 acres

  “the minimum lot size for a cluster development is twenty (20) acres.”

  2 more reviewed findings on this topic

  • District specific (with conditions) — Commercial/industrial district inside Brentwood town (Zoning and Land Use Ordinance Section 300.002.001 land and building requirements)

    “no lot shall be less than one hundred and twenty thousand (120,000) square feet”

  • District specific (with conditions) — Professional office developments in the professional office/multi-family district inside Brentwood town (Section 300.002.003)

    “the minimum lot size for a professional office facility is three (3) acres.”

• SetbacksDistrict specific (with conditions)

  Professional office developments in the professional office/multi-family district inside Brentwood town (Section 300.002.003)

  • Front setback is measured from the centerline of the road.

  front yard setback: >= 75 feet (Measured from the centerline of road) · side and rear yard setback: >= 40 feet

  “front yard setback shall be seventy-five (75) feet, measured from the centerline of road”

• Lot coverageDistrict specific (with conditions)

  Professional office developments in the professional office/multi-family district inside Brentwood town

  • Measured as buildings within foundation lines as a share of the lot area.

  maximum building footprint within foundation lines: <= 40 percent of lot area

  “buildings within foundation lines are not to exceed forty (40%) percent of the lot area.”

• Subdividing landRegulated (with conditions)

  Land divisions inside Brentwood town under the Town of Brentwood subdivision regulations, which the zoning ordinance document incorporates

  • The excerpt is from the cluster development section; it confirms the Town has subdivision regulations that apply to cluster developments. The subdivision regulations themselves were not opened.

  “all pertinent provisions of the town of brentwood subdivision regulations shall be complied with”

Still unanswered

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

• Building permit — New construction inside Brentwood town
• Owner-builder exemption — Owner-builders constructing a home inside Brentwood town
• Building code adopted — Building code used for construction inside Brentwood town
• Inspections — New construction inside Brentwood town
• Certificate of occupancy — New dwellings inside Brentwood town

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 Brentwood 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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