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Coronado · Zoning · R-1A

Coronado R-1A zoning: height, setbacks and lot size

In Coronado's R-1A zone, generally buildings can be up to 25 ft (2 stories) tall, the front setback is 25 ft and the minimum lot size is 5,500 sq ft, with the conditions listed below (Coronado code, read October 2026).

Key points

  • Maximum building height: 25 ft (Roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width.)
  • Maximum number of stories: 2 stories (Main buildings)
  • Minimum front setback: 25 ft
  • Minimum side setback: 10% of lot width, min 3 ft (Lots under 8,000 sq ft (larger lots 11% to 15%). Lots 50 ft wide or less: at least 3 ft, no more than 5 ft.)
  • Minimum lot size: 5,500 sq ft (Lots mapped R-1A(E): 5,250; R-1A(CC-1): 7,500; R-1A(CC-2): 6,600; R-1A(CC-3): 6,000 sq ft.)
  • Maximum lot coverage: 50% (second-story gross floor area may not exceed first-story gross floor area (attached garages count as first story))

R-1A (SINGLE-FAMILY RESIDENTIAL ZONE) is a zoning district in Coronado. Every value below was read from the Coronado 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-1A

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
25 ft
Applies: Roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width.
§ 86.08.030 · code text
Table row “< 27 feet”, column “Height limit for roof pitch less than 3:12 including the top of any wall surrounding a roof with a pitch of less than 3:12”: 25 feet
Maximum number of stories
2 stories
Applies: Main buildings
§ 86.08.030 · code text
Main buildings shall not contain more than two stories and shall comply with the height limits and daylight plane restrictions depicted in the following table and graphic illustration:
Minimum front setback
25 ft
§ 86.08.040 · code text
There shall be a front yard of not less than 25 feet.
Minimum side setback
10% of lot width, min 3 ft
Applies: Lots under 8,000 sq ft (larger lots 11% to 15%). Lots 50 ft wide or less: at least 3 ft, no more than 5 ft.
§ 86.08.060 · code text
Where two single-family dwelling buildings, duplex development, or detached garages are proposed for two or more lots having contiguous interior lot lines, one side yard of each lot may be reduced to a zero setback upon site approval.
Minimum lot size
5,500 sq ft
Applies: Lots mapped R-1A(E): 5,250; R-1A(CC-1): 7,500; R-1A(CC-2): 6,600; R-1A(CC-3): 6,000 sq ft.
§ 86.08.100 · code text
Lots in the R-1A Zone shall have a lot size of no less than 5,500 square feet, except lots designated as R-1A(E) on the zoning map shall have a lot size of no less than 5,250 feet, lots designated as R-1A(CC-1) on the zoning map shall have a lot size of no less than 7,500 square feet, lots designated as R-1A(CC-2) on the zoning map shall have a lot size of no less than 6,600 square feet, and lots designated as R-1A(CC-3) on the zoning map shall have a lot size of no less than 6,000 square feet.
Maximum lot coverage
50%
Applies: second-story gross floor area may not exceed first-story gross floor area (attached garages count as first story)
§ 86.08.110 · code text
The total structural coverage shall not exceed 50 percent of the gross lot or building site area and the gross Xoor area of the second story shall not exceed the gross Xoor area of the Wrst story (attached enclosed garages shall be considered as part of the Wrst-story gross Xoor area).

When a different number applies

The code sets other values for particular lots, buildings or locations in R-1A:

  • Maximum building height: 26 ft — Lot width less than 27 feet; roof pitch 3:12 and greater § 86.08.030
  • Maximum building height: 27 ft — Lot width 27–27.9 feet; roof pitch 3:12 and greater § 86.08.030
  • Maximum number of stories: 1 story — When total structural coverage is increased to 60 percent § 86.08.110
  • Minimum front setback: 15% of lot depth — Lots having a depth of 60 feet or less § 86.08.040
  • Minimum side setback: 20% of lot width, min 6 ft — Remaining side yard when the other side yard is reduced to zero on contiguous lots with site approval. § 86.08.060
  • Minimum rear setback: 40% of lot depth — Second-story rear yard for lots except those with a rear property line adjoining a public park or bay, when lot depth exceeds 110 feet § 86.08.050
  • Minimum rear setback: 30% of lot depth — Second-story rear yard for lots except those with a rear property line adjoining a public park or bay, when lot depth is 110 feet or less § 86.08.050
  • Minimum rear setback: 10% of lot depth, min 3 ft — Reversed corner lot; first-story rear yard § 86.08.070
  • Minimum rear setback: 20% of lot depth — Reversed corner lot; second-story rear yard § 86.08.070
  • Maximum lot coverage: 60% — Main building limited to one story with specified maximum height § 86.08.110

Not on this page

We did not find a general rear setback, FAR, density limit for R-1A in the zoning tables we read. The code may still set one elsewhere — check the Coronado Municipal Code.

Other Coronado zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Coronado's R-1A zone?

25 ft (roof pitch below 3:12, any lot width; pitched roofs (3:12 and up) get 26 to 30 ft by lot width) — Coronado Municipal Code § 86.08.030.

What is the maximum number of stories in Coronado's R-1A zone?

2 stories (main buildings) — Coronado Municipal Code § 86.08.030.

What is the minimum front setback in Coronado's R-1A zone?

25 ft — Coronado Municipal Code § 86.08.040.

What is the minimum side setback in Coronado's R-1A zone?

10% of lot width, min 3 ft (lots under 8,000 sq ft (larger lots 11% to 15%). Lots 50 ft wide or less: at least 3 ft, no more than 5 ft) — Coronado Municipal Code § 86.08.060.

What is the minimum lot size in Coronado's R-1A zone?

5,500 sq ft (lots mapped R-1A(E): 5,250; R-1A(CC-1): 7,500; R-1A(CC-2): 6,600; R-1A(CC-3): 6,000 sq ft) — Coronado Municipal Code § 86.08.100.

General information, not legal advice.

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