Danville · Zoning · O-1
Danville O-1 zoning: height, setbacks and lot size
In Danville's O-1 zone, generally buildings can be up to 35 ft (2 1/2 stories) tall and the front setback is 20 ft, with the conditions listed below (Danville code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 2 1/2 stories
- Minimum front setback: 20 ft (on corner lots the principal frontage is 20 ft and the other setback at least 15 ft)
- Minimum side setback: at least 5 ft each side, with 15 ft aggregate (15 ft on a side yard that abuts a residential land use district, with 5 ft on the other side)
O-1 (Limited Office District) is a zoning district in Danville. Every value below was read from the Danville 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 O-1
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.
| Maximum building height | 35 ft § 32-51.4 · code textNo building or structure permitted in the O-1 district shall exceed two and one-half (2 1/2) stories or thirty-five (35') feet in height. |
|---|---|
| Maximum number of stories | 2 1/2 stories § 32-51.4 · code textNo building or structure permitted in the O-1 district shall exceed two and one-half (2 1/2) stories or thirty-five (35') feet in height. |
| Minimum front setback | 20 ft Applies: on corner lots the principal frontage is 20 ft and the other setback at least 15 ft § 32-51.5 · code textThere shall be a setback (front yard) of at least twenty (20') feet for any building or structure in the O-1 district; on corner lots, the principal frontage of the lot shall have a setback of at least twenty (20') feet and the other setback shall be at least fifteen (15') feet. |
| Minimum side setback | at least 5 ft each side, with 15 ft aggregate Applies: 15 ft on a side yard that abuts a residential land use district, with 5 ft on the other side § 32-51.5 · code textThere shall be an aggregate side yard width of at least fifteen (15') feet with no single side yard being less than five (5') feet in width, except that when a side yard abuts a residential land use district, it shall then have a minimum width of fifteen (15') feet with a minimum of five (5') foot width on the other side. |
When a different number applies
The code sets other values for particular lots, buildings or locations in O-1:
Not on this page
We did not find a general rear setback, lot size, lot coverage, FAR, density limit for O-1 in the zoning tables we read. The code may still set one elsewhere — check the Danville Municipal Code.
Other Danville zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Danville's O-1 zone?
35 ft — Danville Municipal Code § 32-51.4.
What is the maximum number of stories in Danville's O-1 zone?
2 1/2 stories — Danville Municipal Code § 32-51.4.
What is the minimum front setback in Danville's O-1 zone?
20 ft (on corner lots the principal frontage is 20 ft and the other setback at least 15 ft) — Danville Municipal Code § 32-51.5.
What is the minimum side setback in Danville's O-1 zone?
at least 5 ft each side, with 15 ft aggregate (15 ft on a side yard that abuts a residential land use district, with 5 ft on the other side) — Danville Municipal Code § 32-51.5.
General information, not legal advice.
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