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  1. Zoning
  2. San Diego, CA
  3. RT-1-1

San Diego, CA · zoning record

RT-1-1 zoning in San Diego.

The dimensional standards that govern what you can build in the RT-1-1 district, straight from San Diego's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.

Free · Every figure cited · Read from the current code (2026-10-02)

RT-1-1 dimensional standards.

These are the letter-of-the-law limits for the base RT-1-1 district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.

Minimum lot width

25 ft

Narrowest conforming lot.

“Lot Width (ft) 25 25 25 25 18”Table 131-04F Development Regulations for RT Zones › Min Lot D imensions › Lot Width (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Minimum lot depth

100 ft

Shallowest conforming lot.

“Lot Depth (ft) 100 100 90 80 80”Table 131-04F Development Regulations for RT Zones › Min Lot D imensions › Lot Depth (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Front setback

5 ft

Required space from the front line.

“Min Front Setback (ft) 5 5 5 5 5”Table 131-04F Development Regulations for RT Zones › Setback R equirements › Min Front Setback (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Interior side setback

0 ft

Required space from a side line.

“Side Setback (ft) 0 0 0 0 0”Table 131-04F Development Regulations for RT Zones › Setback R equirements › Side Setback (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Street-side setback

5 ft

Required space from a side street on a corner lot.

“Min Street Side Setback (ft) 5 5 5 5 5”Table 131-04F Development Regulations for RT Zones › Min Street Side Setback (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Rear setback

3 ft

Required space from the rear line.

“Min Rear Setback (ft) 3 3 3 3 3”Table 131-04F Development Regulations for RT Zones › Min Rear Setback (ft) › RT-1-1 column · San Diego code · read 2026-10-02

Sources

Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.

Informational only — not a permit, appraisal, or professional engineering opinion. Verify with your local planning department before acting on it. See Terms and data sources.

Other San Diego districts on record.

RS-1-3RS-1-5RS-1-10RS-1-13RS-1-1RS-1-12RS-1-2RS-1-11RS-1-14RS-1-4RS-1-7RS-1-6RS-1-9RT-1-3RS-1-8RT-1-2RT-1-5RT-1-4

Check a real San Diego lot against RT-1-1.

See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.

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