SB 1211 in Richmond

If you own multifamily property in Richmond, SB 1211 is the most consequential change to your buildable count since 1978. Up to 8 new detached units are now ministerial. Here's what it means for property owners in Contra Costa County.

2,800est. eligible multifamily lots
$2,400median 1BR rent / month
70-115 daystypical permit timeline
8max detached ADUs

The Bay Area angle

High land basis but tech-driven rents make ADU pro-formas pencil quickly — payback windows of 6–9 years are common. For Richmond owners, the calculus changed overnight: the same lot that once topped out at 2 ADUs can now host 8.

Worked example: an 8-unit building in Richmond

An 8-unit existing multifamily property in Richmond can add up to 10 new homes under SB 1211: 8 detached units (the statutory cap) plus 2 interior conversions. At Richmond's median rent of $2,400/mo, that's roughly $288K in additional gross annual rent on land you already own.

The arithmetic is straightforward: 8 detached + ⌊units × 25%⌋ interior, on lots zoned for the units already there.

Richmond jurisdiction notes

Rent control applies to existing units; new ADUs typically exempt. Like every California city, Richmond cannot require less than SB 1211 allows — it can permit more.

Approval pathway in Richmond

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Frequently asked questions about SB 1211 in Richmond

Does SB 1211 apply to my Richmond property?

If your lot in Richmond (Contra Costa County) currently has 2 or more legal residential units, yes — SB 1211 applies as state law and supersedes local ordinances that conflict with §66314. Single-family lots use SB 9 instead.

How long do permits take in Richmond?

Richmond typically issues SB 1211 permits in 70-115 days under ministerial review. Rent control applies to existing units; new ADUs typically exempt.

What's a Richmond multifamily ADU actually worth?

At Richmond's median 1BR rent of $2,400/month, an 8-detached-ADU project produces roughly $230K in additional gross annual rent — before counting interior conversions.

Can Richmond require parking replacement?

No. §66313 prohibits cities — including Richmond — from requiring 1:1 replacement of any parking spaces removed to build SB 1211 ADUs.

Are there Contra Costa County overlays I need to worry about?

Possibly. Coastal-zone parcels, historic districts, and very-high fire-severity zones still trigger objective-standards review. But subjective design or neighborhood-character review is preempted.

Property types in Richmond

Duplex2-unit · up to 3 new ADUsTriplex3-unit · up to 4 new ADUsFourplex / 4-unit4-unit · up to 5 new ADUs5-unit apartment5-unit · up to 6 new ADUs6-unit apartment6-unit · up to 7 new ADUs8-unit apartment8-unit · up to 10 new ADUs10-unit apartment10-unit · up to 10 new ADUs12-unit apartment12-unit · up to 11 new ADUs16-unit apartment16-unit · up to 12 new ADUs20-unit apartment20-unit · up to 13 new ADUs24-unit apartment24-unit · up to 14 new ADUs32-unit apartment32-unit · up to 16 new ADUs

Related topics

SB 1211 vs SB 9SB 1211 vs AB 1033Appealing an SB 1211 denialSB 1211 parking requirementsSB 1211 ADU cost calculatorSB 1211 permit timelineWhat 'ministerial approval' means under SB 1211Objective standards under SB 1211

Other Bay Area cities

SB 1211 in San Francisco$3,100/mo · 90-150 daysSB 1211 in Oakland$2,700/mo · 70-120 daysSB 1211 in San Jose$2,900/mo · 60-100 daysSB 1211 in Berkeley$2,800/mo · 75-130 daysSB 1211 in Fremont$2,900/mo · 70-115 daysSB 1211 in Hayward$2,500/mo · 70-115 daysSB 1211 in Concord$2,400/mo · 70-115 daysSB 1211 in Walnut Creek$2,700/mo · 75-120 days