Lafayette · Zoning · R-100
Lafayette R-100 zoning: height, setbacks and lot size
In Lafayette's R-100 zone, the front setback is 30 ft and the minimum lot size is 100,000 sq ft (Lafayette code, read October 2026).
Key points
- Minimum front setback: 30 ft
- Minimum side setback: 30 ft (Each side; at least 60 ft combined on both sides.)
- Minimum rear setback: 30 ft (Principal structure)
- Minimum lot size: 100,000 sq ft
R-100 (Single-family Residential District-100) is a zoning district in Lafayette. Every value below was read from the Lafayette Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in R-100
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Minimum front setback | 30 ft § 6-7149 · code textThere shall be a setback (front yard) of at least 30 feet for any structure in the R-100 district; on corner lots, the principal frontage of the lot shall have a setback of at least 30 feet and the other setback shall be at least 25 feet. |
|---|---|
| Minimum side setback | 30 ft Applies: Each side; at least 60 ft combined on both sides. § 6-7148 · code textThere shall be an aggregate side yard width of at least 60 feet for any structure in the R-100 district. No side yard shall be less than 30 feet wide. These minima may be reduced to three feet for an accessory building or structure if it is set back at least 65 feet from the front property line. |
| Minimum rear setback | 30 ft Applies: Principal structure § 6-7150 · code textThere shall be a rear yard for any principal structure in the R-100 district of at least 30 feet. There shall be a rear yard for accessory structures of at least three feet. |
| Minimum lot size | 100,000 sq ft § 6-7144 · code textNo single-family dwelling or other structure permitted in the R-100 district shall be erected or placed on a lot smaller than 100,000 square feet in area. |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-100:
Not on this page
We did not find a general height, stories, lot coverage, FAR, density limit for R-100 in the zoning tables we read. The code may still set one elsewhere — check the Lafayette Municipal Code.
Other Lafayette zoning districts
Who this affects
Frequently asked questions
What is the minimum front setback in Lafayette's R-100 zone?
30 ft — Lafayette Municipal Code § 6-7149.
What is the minimum side setback in Lafayette's R-100 zone?
30 ft (each side; at least 60 ft combined on both sides) — Lafayette Municipal Code § 6-7148.
What is the minimum rear setback in Lafayette's R-100 zone?
30 ft (principal structure) — Lafayette Municipal Code § 6-7150.
What is the minimum lot size in Lafayette's R-100 zone?
100,000 sq ft — Lafayette Municipal Code § 6-7144.
General information, not legal advice.
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