Ridgefield, CT Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- Governing section
- Zoning Regulations § 3.5.F
- Under 7,500 SF
- 16% of lot area
- 7,500-9,999 SF
- 1,225 SF + 10.0% of excess
- 130,680+ SF
- 7,578 SF + 4.5% of excess
- Last amended
- Effective October 14, 2011
- Enforcement
- Zoning Enforcement Officer, § 9.4
Summary
Ridgefield caps how much of a residential lot buildings can cover on a sliding scale, not a flat percentage. Zoning Regulations § 3.5.F allows 16% coverage on a lot under 7,500 square feet, dropping to roughly 4.5% of the marginal area on the Town's largest lots, last amended effective October 14, 2011.
F. MAXIMUM LOT COVERAGE ... unless otherwise provided in these Regulations, the lot coverage (buildings) as defined in Sec. 2.2 ("Coverage" Related Terms) in any residential zoning district shall not exceed the following area:
Lot Area Allowed Lot Coverage ... Less than 7,500 SF 16% of the lot area 7,500 to 9,999 SF 1,225 SF plus 10.0% of the lot area in excess of 7,500 SF 10,000 to 19,999 SF 1,475 SF plus 6.0% of the lot area in excess of 10,000 SF 20,000 to 43,559 SF 2,075 SF plus 5.8% of the lot area in excess of 20,000 SF 43,560 to 87,119 SF 3,440 SF plus 5.0% of the lot area in excess of 43,560 SF 87,120 to 130,679 SF 5,618 SF plus 4.5% of the lot area in excess of 87,120 SF 130,680 or more SF 7,578 SF plus 4.5% of the lot area in excess of 130,680 SF
Official source re-checked September 7, 2026: the cited page had not changed since it was quoted.
Full Breakdown
2 and sets a graduated allowance rather than one percentage for every lot. A lot under 7,500 square feet may cover 16% of its area with buildings. 0% of the area over 7,500 square feet. 0% of the area over 10,000. 5% of the excess). The Regulations flag that where the printed table and the accompanying coverage chart conflict, the table controls. The rule was last amended effective October 14, 2011 for lots under one acre, following an earlier 2009 amendment covering lots of one acre and larger.
Violations & Fines
Ridgefield's Zoning Enforcement Officer administers and enforces the zoning regulations under § 9.4, and a lot built beyond its § 3.5.F coverage allowance can draw a violation notice ordering the work stopped and the condition corrected, followed by fines and injunctive remedies available under Chapter 124 of the Connecticut General Statutes, with a separate violation possible for each day the excess coverage continues. An aggrieved owner can appeal a Zoning Enforcement Officer order to the Zoning Board of Appeals under C.G.S. § 8-6.
Frequently Asked Questions
What percentage of my lot can I build on in Ridgefield?
How is lot coverage calculated on a 20,000-square-foot lot in Ridgefield?
When was Ridgefield's lot coverage table last changed?
Sources & Official References
Other rules in Ridgefield
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