Multifamily ADUs in California | SB 1211

Modern multifamily ADU exterior built by ADU West Coast

New 2026 Law · SB 1211

Add Up to 8 ADUs to Your Multifamily Property

California’s SB 1211 lets apartment owners and investors build more units than ever — and turn excess parking into rental income.

Call (714) 253-7369Request a Site Inspection

Why Multifamily Owners Are Building Now

  • Up to 8 detached ADUs per lot
  • Convert non-habitable space into rentable units
  • No replacement-parking requirement
  • One licensed team — CSLB #1064076
  • 13–16 month average, contract to keys

Get a Feasibility Review

See how many ADUs your property qualifies for. No obligation.


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What SB 1211 Changed for Multifamily Owners

Effective 2026, SB 1211 dramatically expands what you can build on existing apartment and multifamily properties.

8

More Detached ADUs

Build up to eight detached ADUs per lot, capped at your number of existing primary units.

25%

Convert Existing Space

Turn storage rooms, garages, and non-habitable space into units — up to 25% of existing units.

0

No Parking Replacement

Convert uncovered parking to ADUs without being forced to replace those spaces.

How It Works

1

Free Review

We tell you how many ADUs SB 1211 allows on your lot.

2

Design & Plans

Architecture, engineering, and unit layout handled.

3

Permits

We manage submittal and approvals.

4

Build

One licensed team, contract to keys.

Get Your Feasibility Review

Tell us about your property and we will tell you how many ADUs SB 1211 allows. Prefer to talk? Call (714) 253-7369.