Carlsbad R-T zoning: height, setbacks and lot size

R-T (Residential Tourist Zone) is a zoning district in Carlsbad. Every value below was read from the Carlsbad 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-T

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 § 21.20.030 · code text No building in the R-T zone shall exceed a height of thirty-five feet.
Minimum front setback	20 ft § 21.20.040 · code text There shall be a front yard of not less than twenty feet in depth.
Minimum side setback	5 ft Applies: Interior lots: one side yard is not less than 5 feet; the other side yard is not less than 10 feet. § 21.20.050 · code text Interior lots shall have a side yard of not less than ten feet in width on one side of the lot and not less than five feet in width on the other side;
Minimum rear setback	20 ft § 21.20.070 · code text There shall be a rear yard of not less than twenty feet in depth.
Minimum lot size	7,500 sq ft Applies: Does not apply once a site plan review application has been approved § 21.20.090 · code text The minimum lot area shall be not less than seven thousand five hundred square feet except when an application for site plan review has been approved.
Maximum lot coverage	75% Applies: Does not apply once a site plan review application has been approved § 21.20.110 · code text All buildings, including accessory buildings and structures, shall not cover more than seventy-five percent of the area of the lot, except when an application for site plan review has been approved.

When a different number applies

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

Minimum side setback: 10 ft — Interior lots: one side yard is not less than 10 feet. § 21.20.050
Minimum side setback: 10 ft — Corner lots and reversed corner lots: side street side, extending the full length of the lot. § 21.20.050

Not on this page

We did not find a general stories, FAR, density limit for R-T in the zoning tables we read. The code may still set one elsewhere — check the Carlsbad Municipal Code.

Other Carlsbad zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the maximum building height in Carlsbad's R-T zone?

35 ft — Carlsbad Municipal Code § 21.20.030.

What is the minimum front setback in Carlsbad's R-T zone?

20 ft — Carlsbad Municipal Code § 21.20.040.

What is the minimum side setback in Carlsbad's R-T zone?

5 ft (interior lots: one side yard is not less than 5 feet; the other side yard is not less than 10 feet) — Carlsbad Municipal Code § 21.20.050.

What is the minimum rear setback in Carlsbad's R-T zone?

20 ft — Carlsbad Municipal Code § 21.20.070.

What is the minimum lot size in Carlsbad's R-T zone?

7,500 sq ft (does not apply once a site plan review application has been approved) — Carlsbad Municipal Code § 21.20.090.

General information, not legal advice.