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Hayward · Zoning · AT-AC

Hayward AT-AC zoning: height, setbacks and lot size

In Hayward's AT-AC zone, buildings can be up to 40 ft tall and the front setback is 20 ft (Hayward code, read October 2026).

Key points

  • Maximum building height: 40 ft
  • Minimum front setback: 20 ft
  • Minimum side setback: 5 ft minimum one side; 30 ft total both sides (none where the site abuts a railroad spur)
  • Minimum rear setback: None required

AT-AC is a zoning district in Hayward. Every value below was read from the Hayward 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 AT-AC

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
40 ft
§ 10-1.1946 · code text
Maximum Building Height: 40 feet, except as provided in subsection c. below and as set forth in Chapter 10, Article 6, Airport Approach Zoning Regulations of the Hayward Municipal Code, as now in effect or may hereafter amended or replaced.
Minimum front setback
20 ft
§ 10-1.1945 · code text
Minimum Front Yard: 20 feet.
Minimum side setback
5 ft minimum one side; 30 ft total both sides
Applies: none where the site abuts a railroad spur
§ 10-1.1945 · code text
Minimum Side Yard: 30 feet total both sides, 5 feet minimum one side, none where site abuts railroad spur.
Minimum rear setback
None required
§ 10-1.1945 · code text
Minimum Rear Yard: None.

When a different number applies

The code sets other values for particular lots, buildings or locations in AT-AC:

  • Minimum side setback: None required — Where the site abuts a railroad spur § 10-1.1945
  • Minimum side setback: 10 ft — side street yard § 10-1.1945
  • Minimum rear setback: 20 ft — where abutting an A, C, MH, OS, R, or residential PD zoning district § 10-1.1945

Not on this page

We did not find a general stories, lot size, lot coverage, FAR, density limit for AT-AC in the zoning tables we read. The code may still set one elsewhere — check the Hayward Municipal Code.

Other Hayward zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Hayward's AT-AC zone?

40 ft — Hayward Municipal Code § 10-1.1946.

What is the minimum front setback in Hayward's AT-AC zone?

20 ft — Hayward Municipal Code § 10-1.1945.

What is the minimum side setback in Hayward's AT-AC zone?

5 ft minimum one side; 30 ft total both sides (none where the site abuts a railroad spur) — Hayward Municipal Code § 10-1.1945.

What is the minimum rear setback in Hayward's AT-AC zone?

None required — Hayward Municipal Code § 10-1.1945.

General information, not legal advice.

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