Zoning, building permits and septic rules in Green Park, Missouri

Green Park’s own rules

• Certificate of occupancyRequired

  New residents moving into a dwelling inside Green Park city limits

  • The city homepage states occupancy permits are required for new residents; it does not say how the occupancy permit is issued, its fee, or whether it is called a certificate of occupancy.
  • The homepage also lists an occupancy inspections sample checklist and a rental property registration application (required).

  “new residents required to have occupancy permits”

• Local zoningPresent

  Land inside Green Park city limits. The city adopts and administers its own zoning code, Chapter 405 (Zoning Code) of its code of ordinances.

  • Article II of Chapter 405 covers the PS, RS-1, MR and PR districts; zoning map and remaining Chapter 405 articles were not opened.
  • RS-1 permitted uses are subject to site plan approval and to all applicable laws of St. Louis County and the State of Missouri, as stated in section 405.120 b.

  “chapter 405 zoning code (section 405.010”

• SetbacksSpecified

  RS-1 single-family residential district (detached single-family dwelling) inside Green Park city limits

  • Front yard: 20 feet from roadway right-of-way, or the average setback of existing dwellings on the same side of the street (within 500 feet) if more than half vary by less than 20 feet; in no case closer than 15 feet from the right-of-way line, and no setback greater than 50 feet may be required.
  • Side yard 6 feet from property line; rear yard 15 feet from rear property line.

  minimum front yard: >= 20 feet (average-setback alternative; minimum 15 feet from roadway right-of-way; maximum 50 feet required) · minimum side yard: >= 6 feet · minimum rear yard: >= 15 feet

  “(6) minimum side yard. six (6) feet from property line. (7) minimum rear yard. fifteen (15) feet from rear property line.”

• Lot coverageSpecified

  RS-1 single-family residential district inside Green Park city limits

  • Maximum site (or impervious) coverage for the RS-1 district under section 405.120 e.2.

  maximum site (impervious) coverage: <= 60 percent

  “2. maximum site (or impervious) coverage. sixty percent (60%).”

• Building heightSpecified

  RS-1 single-family residential district (detached single-family dwelling) inside Green Park city limits

  • Accessory structures are separately limited to 14 feet in height (section 405.120 f.1).

  maximum structure height: <= 30 feet (two stories, whichever is less) · maximum stories: <= 2 stories (thirty feet, whichever is less)

  “(4) building bulk regulations — maximum structure height. two (2) stories or thirty (30) feet, whichever is less.”

• Subdividing landRegulated (with conditions)

  Land divisions and subdivisions inside Green Park city limits

  • Subdivision regulations are in Chapter 410 of the city code (section 410.010 to 410.280); the Chapter 410 text was not opened, so approval steps are not stated here.
  • Land disturbance is covered by Chapter 411, and the land disturbance code is adopted under section 500.075.

  “chapter 410 subdivision regulations (section 410.010”

Still unanswered

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

• Building permit — New residential construction inside Green Park city limits
• Owner-builder exemption — Owner-builder work inside Green Park city limits
• Inspections — Building inspections for work inside Green Park city limits
• Minimum dwelling size — Minimum floor area of a single-family dwelling inside Green Park city limits
• Living in an RV — Occupancy of an RV on private land inside Green Park 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 Green Park 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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