Zoning, building permits and septic rules in Weymouth Town, Massachusetts

Weymouth Town’s own rules

• Local zoningPresent (with conditions)

  Land inside Weymouth Town city limits, administered by the Town of Weymouth under its own Zoning Bylaw (Code Chapter 120, Zoning)

  • Zoning districts and dimensional limits in the Town's Chapter 120 apply inside the Town only; they are not county zoning.

  “for the purpose of this bylaw, the town of weymouth is hereby divided into zoning districts as follows:”

• Zoning districtsPublished

  Zoning districts of the Town of Weymouth, MA (Land inside Weymouth Town city limits)

  • § 120-7 lists residential districts R-1 low density (single-family), R-2 low density (mixed low-density residential and office), R-3 high density A (garden-type multiple), R-4 high density B (multiple); also NCD neighborhood center, B-1 limited business, B-2 general business, HT highway transition, MS medical service, I-1 industrial park, PIP planned industrial park, I-2 general industrial, POP planned office park, POS public facilities and open space; WPD watershed protection overlay; groundwater protection district and floodplain overlay.
  • Zoning map is incorporated by § 120-8 and is on file with the Town Clerk.

  “b. residential districts. r-1 low density (single-family) r-2 low density (mixed low-density residential and office)”

• Minimum lot sizeSpecified

  R-1 Low Density (single-family) district, Town of Weymouth; the lot area shown in Table 1 for district R-1 (type of use: one-family)

  • Table 1 lists minimum lot area per dwelling unit for R-1 as 25,000 square feet.
  • Lots created after January 17, 2017 must have minimum upland area of 85% of the minimum lot area (§ 120-53.1).
  • Pre-existing lots: a single-family dwelling may be erected on a lot below the prescribed minimum if the lot was recorded at adoption, separately owned, not less than 5,000 square feet, and did not adjoin other land of the same owner (§ 120-52).
  • Table 1 minimum lot width for R-1 is 120 feet (see §§ 120-51, 120-52, 120-56, and 120-59.1); frontage is at least 40 feet (§ 120-56).
  • Table 1 shows supplement 9, June 2024 (footer); amendments listed in § 120-51 history include order no. 24-119 dated 2-3-2024.

  minimum lot size (R-1, one-family): 25000 square feet (Pre-existing recorded lots of at least 5,000 sq ft may be built on under § 120-52; see conditions)

  “minimum lot size (square feet) 25,000 (see §§ 120-51, 120-52, 120-53.1 and 120-53.2)”

• SetbacksSpecified

  Accessory buildings (other than a private garage or carport) in Weymouth residential districts, including R-1; principal-building yard depths are not set out in this claim

  • Accessory-use buildings must be confined to the rear yard and are not permitted in the required front yard (§ 120-54).
  • Buildings abutting an R-1 district or a school have further setback limits (§ 120-59) and height limits (§ 120-57); see those sections.

  accessory building setback from side and rear lot lines (one-story): >= 5 feet (one-story accessory use buildings only (§ 120-55))

  “a one-story building of accessory use may be built no closer than five feet to a side lot line and/or the rear lot line.”

• Lot coverageSpecified

  R-1 Low Density (single-family) district, Town of Weymouth

  • Within the R-1 district, lot coverage also counts all other impervious surfaces including pavement, patios, sheds, and swimming pools (Table 1 note).
  • Watershed protection overlay: any use rendering impervious more than 15% of a lot or 2,500 sq ft (whichever is greater) requires site plan review (§ 120-10.4.2), per the overlay in Article IIIA; the overlay adds no criteria for R-1 (§ 120-10.3a).

  maximum lot coverage (percent of lot area): <= 30 percent (Table 1 footnote applies to R-1)

  “maximum lot coverage (percent of lot area) 30%1”

• Building heightSpecified

  R-1 Low Density (single-family) district, Town of Weymouth

  • Buildings in other districts that abut an R-1 district or a school are limited to 2 1/2 stories, not to exceed 35 feet (§ 120-57).

  maximum height: <= 2.5 stories (not to exceed 35 feet) · maximum height: <= 35 feet (not to exceed 2 1/2 stories)

  “maximum height 2 1/2 stories, not to exceed 35 feet”

• Subdividing landRegulated (with conditions)

  Creation of new lots inside Weymouth Town city limits (zoning limits on lot creation)

  • No lot may be created with a shape factor above 30 (§ 120-53.2).
  • Each lot must have a front lot line and frontage of at least 40 feet unless Table 1 states otherwise (§ 120-56).
  • Lots created after January 17, 2017 need minimum upland area of 85% of minimum lot area (§ 120-53.1).

  shape factor: <= 30 ratio (shape factor equals the square of the lot perimeter divided by the lot area)

  “no lot shall be created so as to be so irregularly shaped or extended that it has a "shape factor" in excess of 30.”

Still unanswered

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

• Building permit — Building permit for new residential construction inside Weymouth Town city limits
• Owner-builder exemption — Owner-builder exemption inside Weymouth Town city limits
• Building code adopted — Building code in force inside Weymouth Town city limits
• Inspections — Building inspection for new residential construction inside Weymouth Town city limits
• Certificate of occupancy — Certificate of occupancy for new homes inside Weymouth Town city 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 Weymouth Town 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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