San Joaquin County I-W zoning: height, setbacks and lot size

I-W is a zoning district in San Joaquin County. Every value below was read from the San Joaquin County 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 I-W

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	100 ft § 9-202.030 · code text Table row “All Buildings”, column “I-W”: 100
Minimum front setback	30 ft § 9-202.030 · code text Table row “Front - Regular; Right-of-Way less than 50'”, column “I-W”: 30; 55 2
Minimum side setback	None required Applies: Where the yard does not abut residential land; 20 ft if it does (see below) § 9-202.030 · code text Table row “Interior Side”, column “I-W”: None
Minimum rear setback	None required Applies: Where the yard does not abut residential land; 20 ft if it does (see below) § 9-202.030 · code text Table row “Rear”, column “I-W”: None
Minimum lot size	2 acres § 9-202.030 · code text Table row “Minimum Lot Size (sq. ft.)”, column “I-W”: 2 acres
Maximum floor area ratio (FAR)	0.6 § 9-202.030 · code text Table row “Maximum Floor Area Ratio”, column “I-W”: 0.6

Uses in I-W

Uses the code's use tables allow in I-W, or allow with a permit. Each links to its page with the code section.

Live-work unit — Needs an administrative use permit (zoning administrator)

When a different number applies

The code sets other values for particular lots, buildings or locations in I-W:

Maximum building height: 50 ft — Within 50 feet of a Residential zone boundary where an Industrial zone adjoins a Residential zone § 9-202.030
Minimum front setback: 55 ft — Right-of-way less than 50 feet § 9-202.030
Minimum side setback: 20 ft — Side yard abuts residential use, residential zoning, or land planned for residential; from a residential zone boundary the building setback is 15 ft § 9-202.030
Minimum rear setback: 20 ft — Rear yard abuts residential use, residential zoning, or land planned for residential on the General Plan Map § 9-202.030

Not on this page

We did not find a general stories, lot coverage, density limit for I-W in the zoning tables we read. The code may still set one elsewhere — check the San Joaquin County Municipal Code.

Other San Joaquin County zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in San Joaquin County's I-W zone?

100 ft — San Joaquin County Municipal Code § 9-202.030.

What is the minimum front setback in San Joaquin County's I-W zone?

30 ft — San Joaquin County Municipal Code § 9-202.030.

What is the minimum side setback in San Joaquin County's I-W zone?

None required (where the yard does not abut residential land; 20 ft if it does (see below)) — San Joaquin County Municipal Code § 9-202.030.

What is the minimum rear setback in San Joaquin County's I-W zone?

None required (where the yard does not abut residential land; 20 ft if it does (see below)) — San Joaquin County Municipal Code § 9-202.030.

What is the minimum lot size in San Joaquin County's I-W zone?

2 acres — San Joaquin County Municipal Code § 9-202.030.

General information, not legal advice.