Corning · Zoning · R-4
Corning R-4 zoning: height, setbacks and lot size
In Corning's R-4 zone, generally buildings can be up to 35 ft (3 stories) tall, the front setback is 20 ft and the minimum lot size is 1 acre, with the conditions listed below (Corning code, read October 2026).
Key points
- Maximum building height: 35 ft
- Maximum number of stories: 3 stories
- Minimum front setback: 20 ft (Table note for this row: 10 ft to the residence or porch, 20 ft to the garage)
- Minimum side setback: 6 ft (3 ft added for each story above the first)
- Minimum rear setback: 10 ft (5 ft added for each story above the first)
- Minimum lot size: 1 acre (Interior lot)
- Maximum density: 28 units/gross acre
R-4 (GENERAL MULTI-FAMILY RESIDENTIAL DISTRICT) is a zoning district in Corning. Every value below was read from the Corning 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-4
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 § 17.10.040 · code textTable row “Maximum Height (feet)”, column “R-4”: 35 |
|---|---|
| Maximum number of stories | 3 stories § 17.10.040 · code textTable row “Number of stories”, column “R-4”: 3 |
| Minimum front setback | 20 ft Applies: Table note for this row: 10 ft to the residence or porch, 20 ft to the garage § 17.10.040 · code textTable row “Front”, column “R-4”: 20 |
| Minimum side setback | 6 ft Applies: 3 ft added for each story above the first § 17.10.040 · code textTable row “Side, Interior”, column “R-4”: 6 |
| Minimum rear setback | 10 ft Applies: 5 ft added for each story above the first § 17.10.040 · code textTable row “Rear”, column “R-4”: 10 |
| Minimum lot size | 1 acre Applies: Interior lot § 17.10.040 · code textTable row “Interior Lot”, column “R-4”: One acre |
| Maximum density | 28 units/gross acre § 17.10.040 · code textTable row “Maximum Density (units/gross acre)”, column “R-4”: 28 |
When a different number applies
The code sets other values for particular lots, buildings or locations in R-4:
- Minimum side setback: 10 ft — Street side of each corner lot. § 17.16.050
- Minimum side setback: 20 ft — Where a two-story residential structure will be located on a lot which abuts the rear yard of a single-family lot. § 17.16.050
- Minimum rear setback: 12 ft — On a lot on which a dwelling group is constructed. § 17.16.050
Not on this page
We did not find a general lot coverage, FAR limit for R-4 in the zoning tables we read. The code may still set one elsewhere — check the Corning Municipal Code.
Other Corning zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Corning's R-4 zone?
35 ft — Corning Municipal Code § 17.10.040.
What is the maximum number of stories in Corning's R-4 zone?
3 stories — Corning Municipal Code § 17.10.040.
What is the minimum front setback in Corning's R-4 zone?
20 ft (table note for this row: 10 ft to the residence or porch, 20 ft to the garage) — Corning Municipal Code § 17.10.040.
What is the minimum side setback in Corning's R-4 zone?
6 ft (3 ft added for each story above the first) — Corning Municipal Code § 17.10.040.
What is the minimum rear setback in Corning's R-4 zone?
10 ft (5 ft added for each story above the first) — Corning Municipal Code § 17.10.040.
General information, not legal advice.
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