ADU Regulations in Beaumont, California
Everything you need to know about building an ADU in Beaumont — size limits, setbacks, permits, and costs.
How many ADUs are allowed in Beaumont?
- → 1 Detached ADU (up to 1,200 sq ft)
- → 1 Attached ADU
- → 1 Junior ADU / JADU (up to 500 sq ft)
- → Up to 8 detached ADUs
- → Interior conversions up to 25% of existing units
All California cities must follow state-law minimums. Beaumont follows California AB 68 and subsequent ADU laws.
Beaumont ADU rules & limits.
| ADUs Allowed | Up to 3 units on a single-family lot (primary home + 1 ADU + 1 JADU); up to 8 detached ADUs on multifamily lots |
|---|---|
| Max ADU Size | 1,200 sq ft |
| Setbacks | 4 ft side & rear (CA state baseline) |
| Height | 16 ft detached, 25 ft attached |
| Parking | Not required in most cases; no replacement parking for garage conversions |
| JADU Allowed | Yes — up to 500 sq ft; owner-occupancy required if JADU is present |
| Impact Fees | Waived under 750 sq ft (state law) |
| Permit Timeline | 60 days maximum (state-mandated review window) |
Beaumont follows the California state ADU baseline. The city is growing rapidly and ADU permit volume has increased sharply in the last three years.
Contact: Beaumont Building: (951) 769-8520
What could your Beaumont ADU earn?
Rental estimates based on current Inland Empire market rates. Actual rents vary by condition, amenities, and local demand.
Four paths to an ADU in Beaumont.
From idea to reveal.
Free Feasibility Consultation
We walk your lot, check setbacks and lot coverage, and confirm what your jurisdiction will approve.
Design & Engineering
Floor plan, elevations, structural calcs, and Title 24 energy compliance — drawn for your specific lot.
Permit Submission & Approval
We submit to your city or county, manage plan-check corrections, and pay the permit fees.
Construction
Same Construction Station crew handles foundation, framing, MEP, drywall, and finish — start to keys.
Final Inspection & Move-In Ready
Final city inspection, certificate of occupancy where applicable, and two-year workmanship warranty.
Why build an ADU in Beaumont.
Beaumont's growth trajectory makes it one of the better long-term ADU bets in Riverside County. Population is projected to keep climbing as housing demand pushes outward from the urban Inland Empire, and the city sits in the path of every commuter heading between Palm Springs and Los Angeles. Long-term rental demand is strong from Cabazon, Banning, and Hemet workers who prefer Beaumont's newer housing stock. The 25 ft attached-ADU height allowance opens up second-story room-addition ADUs on existing two-story homes — an underused strategy that adds square footage without sacrificing yard space. Newer homes also mean fewer surprise repairs during construction, which keeps fixed-price contracts more accurate. We pull permits in Beaumont regularly and know the city's submittal preferences.
Ready to build an ADU in Beaumont?
We’ll walk your lot, confirm what Beaumont will allow, and ballpark cost before you commit to anything.
Beaumont ADU questions, answered.
How much does an ADU cost in Beaumont?
How long does it take to get an ADU permit in Beaumont?
Can I rent my ADU in Beaumont?
Do I need owner-occupancy for an ADU in Beaumont?
Does Construction Station build ADUs in Beaumont?
ADU regulations change frequently. Always verify current requirements with the Beaumont Planning Department at (951) 769-8520. This page was last updated May 2026.