Vacaville · Zoning · IS
Vacaville IS zoning: height, setbacks and lot size
In Vacaville's IS zone, buildings can be up to 30 ft tall, the front setback is 15 ft and the minimum lot size is 20,000 sq ft (Vacaville code, read October 2026).
Key points
- Maximum building height: 30 ft
- Minimum front setback: 15 ft
- Minimum side setback: 10 ft
- Minimum rear setback: 10 ft
- Minimum lot size: 20,000 sq ft
- Maximum floor area ratio (FAR): 0.3
IS is a zoning district in Vacaville. Every value below was read from the Vacaville 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 IS
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 | 30 ft § 14.09.080.030 · code textTable row “Maximum Height (feet)”, column “IS”: 30 |
|---|---|
| Minimum front setback | 15 ft § 14.09.080.030 · code textTable row “Front”, column “IS”: 15 (C) |
| Minimum side setback | 10 ft § 14.09.080.030 · code textTable row “Interior Side”, column “IS”: 10 (C) |
| Minimum rear setback | 10 ft § 14.09.080.030 · code textTable row “Rear”, column “IS”: 10 (C) |
| Minimum lot size | 20,000 sq ft § 14.09.080.030 · code textTable row “Minimum Lot Area (square feet)”, column “IS”: 20,000 |
| Maximum floor area ratio (FAR) | 0.3 § 14.09.080.030 · code textTable row “Maximum Floor Area Ratio (FAR)”, column “IS”: 0.3 (A) |
When a different number applies
The code sets other values for particular lots, buildings or locations in IS:
- Maximum building height: 35 ft — within 50 feet of a residential district boundary § 14.09.080.030
- Maximum building height: 50 ft — between 50 and 75 feet of a residential district boundary § 14.09.080.030
- Minimum front setback: 30 ft — from any property line adjacent to or across the street from a residential district § 14.09.080.030
Not on this page
We did not find a general stories, lot coverage, density limit for IS in the zoning tables we read. The code may still set one elsewhere — check the Vacaville Municipal Code.
Other Vacaville zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in Vacaville's IS zone?
30 ft — Vacaville Municipal Code § 14.09.080.030.
What is the minimum front setback in Vacaville's IS zone?
15 ft — Vacaville Municipal Code § 14.09.080.030.
What is the minimum side setback in Vacaville's IS zone?
10 ft — Vacaville Municipal Code § 14.09.080.030.
What is the minimum rear setback in Vacaville's IS zone?
10 ft — Vacaville Municipal Code § 14.09.080.030.
What is the minimum lot size in Vacaville's IS zone?
20,000 sq ft — Vacaville Municipal Code § 14.09.080.030.
General information, not legal advice.
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