Zoning, building permits and septic rules in Dellwood, Missouri

Dellwood’s own rules

• Local zoningPresent (with conditions)

  Land inside Dellwood city limits (not St. Louis County unincorporated area): Dellwood city adopts and administers its own zoning chapter, Title IV Chapter 400 Zoning Regulations.

  • Zoning is administered by the City of Dellwood under Chapter 400 of its code (eCode360 TOC lists chapter 400 zoning regulations, sections 400.010 to 400.250).
  • Code shown on eCode360 includes legislation through 09-27-2024 per the TOC currency line; amendments after that date are not reflected in this record.
  • Zoning applies to a use only as the district regulations allow; see district claims.

  “the city is hereby divided into districts which shall be known as: district type a residential b-1 residential b-2 residential c commercial c-2 planned commercial”

• Zoning districtsPublished (with conditions)

  Single-family dwellings in Dellwood city District A (single-family district) inside city limits.

  • Permitted use in District A is single-family dwellings with a minimum lot size of 9,000 square feet.
  • District A also permits group homes subject to a 2,500-foot spacing rule and other listed uses that were not fully opened in this research.

  minimum lot size: >= 9000 square feet

  “single-family dwellings with a minimum lot size of nine thousand (9,000) square feet.”

  2 more reviewed findings on this topic

  • Published — Land inside Dellwood city limits: district list in Chapter 400 Article II (Districts A, B-1, B-2, C, C-2 among others).

    “the boundaries of these districts are hereby established as shown on a map entitled the "district map" on file in the office of the commission.”

  • Published (with conditions) — Single-family dwellings in Dellwood city District B-1 (single-family district) inside city limits.

    “in district b-1, single-family dwellings with a minimum lot size of seven thousand five hundred (7,500) square feet shall be permitted as well as any use permitted in district a subject to any conditions required therein.”

• Minimum lot sizeSpecified

  New or structurally altered single-family dwelling in Dellwood city District A (a single-family district) inside city limits.

  • Lot area of not less than 9,000 square feet per family and minimum lot width of 75 feet.
  • Code text opened is current only through legislation shown on the TOC (09-27-2024).

  minimum lot area: >= 9000 square feet (per family) · minimum lot width: >= 75 feet

  “in the a single-family district, every dwelling erected or structurally altered shall provide a lot area of not less than nine thousand (9,000) square feet per family and every lot shall have a minimum width of seventy-five (75) feet.”

• SetbacksSpecified

  Buildings in Dellwood city single-family districts (District A and B-1 per the lead-in) inside city limits.

  • Front yard of not less than 30 feet to the front line of the building; not less than 20 feet to the front line of a porch or paved terrace; the front-yard observance rule for lots with 40% frontage of similar buildings and a maximum of 50 feet also applies.
  • Interior-lot side yard: not less than 10% of lot width, not less than 5 feet and capped at 6 feet; corner lots and reversed-frontage rules apply.
  • Rear yard: not less than 20% of lot depth, capped at 25 feet.
  • Lead-in quotation applies to single-family districts; the same article applies these yard rules to the single-family lot types.

  front yard minimum: >= 30 feet (porch/terrace 20 feet; observance rule may apply) · interior side yard minimum: >= 5 feet (10% of lot width, capped at 6 feet) · rear yard minimum: >= 20 percent of lot depth (capped at 25 feet)

  “in an a and b-1 single-family districts, the height of buildings, the minimum dimensions of yards and the minimum area per family shall be as follows:”

• Building heightSpecified

  Buildings in Dellwood city single-family districts inside city limits.

  • Maximum of one and one-half stories or twenty-five feet.
  • Commercial district C height (two stories or 35 feet) is a separate rule not covered here.

  maximum height: <= 25 feet (also limited to 1 1/2 stories)

  “no building hereafter erected or structurally altered shall exceed one and one-half (1 1/2) stories or twenty-five (25) feet.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Dellwood or St. Louis County directly.

• Building permit — Building permit requirement for new homes inside Dellwood city limits.
• Owner-builder exemption — Owner-builder exemption inside Dellwood city limits.
• Building code adopted — Building code adopted for construction inside Dellwood city limits.
• Inspections — Building inspections for new homes inside Dellwood city limits.
• Certificate of occupancy — Certificate of occupancy for new homes inside Dellwood 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 Dellwood 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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