What Types of Structures Are Covered Under SB 721?
By Jacob Aghelian
On 18 February 2025
California Senate Bill 721 (SB 721) mandates structural inspections for multi-family residential buildings with Exterior Elevated Elements (EEEs) to prevent failures and ensure occupant safety. This article examines the specific structures covered under SB 721, including multi-family residences, townhouses, accessory dwelling units (ADUs), commercial properties, and exemptions, providing crucial insights for property owners.
Definition of Multi-Family Residential Buildings
SB 721 applies to multi-family buildings with three or more units that contain EEEs. These properties house multiple households and are typically subject to rental agreements.
Multi-Family Residential Buildings Covered:
- Apartment complexes – Structures with multiple rental units under unified ownership.
- Duplexes and triplexes – Two- or three-unit properties used for rental purposes.
- Student housing – Privately owned dormitories accommodating multiple students.
Townhouses and Condominiums
Are townhouses included under SB 721?
Townhouses are excluded unless they function as rental properties containing three or more units. They often follow different structural and ownership regulations.
Differences Between Condos and Apartments:
- Condominiums – Individually owned but may be subject to inspections if rented in large numbers.
- Apartments – Require compliance due to centralized ownership and leasing structures.
Accessory Dwelling Units (ADUs)
Do ADUs require inspections under SB 721?
ADUs are generally exempt, except when they’re part of a property with three or more rental units. A qualified ADU contractor can help determine if your unit falls under SB 721 requirements. Detached ADUs rarely qualify unless structurally connected to an inspected building—something your ADU contractor should evaluate during planning or upgrades.
Special Cases for ADUs:
- Detached ADUs – Exempt unless forming part of a larger rental complex.
- Multiple ADUs – If a property exceeds three units, all may be subject to inspection.
Exterior Elevated Elements (EEEs)
SB 721 mandates inspections for Exterior Elevated Elements (EEEs) that are six feet or more above ground level.
Examples of EEEs Requiring Inspection:
- Balconies – Wooden or wood-supported elevated outdoor platforms.
- Decks – Raised outdoor flooring attached to structures.
- Walkways – Elevated passages connecting building areas.
- Staircases – External stair systems reliant on wooden support.
Commercial and Mixed-Use Buildings
Are commercial buildings covered under SB 721?
Purely commercial buildings are not covered by SB 721. However, mixed-use structures containing three or more residential units must comply with the inspection mandate.
Regulations for Mixed-Use Buildings:
- Retail-residential properties – If upper floors contain three or more residential units, inspections apply.
- Hotels and motels – Excluded due to transient lodging classifications.
Exemptions and Exclusions
SB 721 does not apply to the following structures:
- Single-family homes – Standalone houses are exempt from compliance.
- Historic buildings – Properties officially designated as historic landmarks may receive exemptions.
- Condominiums managed by HOAs – Generally excluded unless rented in bulk as investment properties.
Summary Table of Covered and Exempted Structures
|
Structure Type |
SB 721 Coverage |
Notes |
|
Apartment Complexes |
Yes |
Multi-unit rental dwellings must comply. |
|
Duplexes & Triplexes |
Yes |
Must contain three or more units. |
|
Student Housing |
Yes |
Privately owned housing is included. |
|
Townhouses |
No |
Unless rented as part of a multi-unit property. |
|
Condominiums |
Conditional |
Covered if rented in numbers exceeding three units. |
|
ADUs |
Conditional |
Covered if part of a property exceeding three rental units. |
|
Balconies, Decks, Walkways |
Yes |
Elevated elements require mandatory inspection. |
|
Mixed-Use Buildings |
Conditional |
Applies only to properties with three or more residential units. |
|
Commercial Buildings |
No |
Fully commercial properties are exempt. |
|
Historic Buildings |
No |
May qualify for exemption if designated as historic. |
Key Takeaways
- SB 721 applies to multi-family residential properties with three or more units.
- Exterior Elevated Elements (EEEs) must undergo periodic inspections.
- Commercial properties are exempt, but mixed-use buildings may require compliance.
- Single-family homes, historic buildings, and some condominiums may be excluded.
Understanding these regulations ensures legal compliance and structural safety for residential occupants.
If you own or manage a multi-family residential building in California, staying compliant with SB 721 is essential. Regular inspections help ensure the safety of occupants and prevent costly penalties. Learn more about SB 721 Inspections and how to schedule an evaluation for your property.
Frequently Asked Questions
What are the penalties for non-compliance with SB 721?
Failure to comply may result in fines, safety violations, and legal liabilities for property owners.
How often must inspections be conducted under SB 721?
Inspections must occur every six years to maintain compliance.
Are hotels and motels included in SB 721?
No, transient occupancy properties such as hotels and motels are exempt.
Does SB 721 apply to owner-occupied buildings?
Only if the property has three or more rental units, otherwise, it remains exempt.
What happens if an inspection reveals safety hazards?
Owners must perform repairs within 120 days, or penalties may apply.
Can property owners appeal SB 721 requirements?
Certain exemptions apply, such as historic building status or verified structural integrity certifications.
Are balconies the only structures requiring inspection?
No, staircases, decks, and walkways also require mandatory inspections.
What materials are considered part of EEEs?
Wood or wood-based materials used in supporting structures fall under SB 721.
How is compliance documented?
Certified inspections must be recorded and submitted to the local jurisdiction.
Can inspections be performed by any contractor?
No, only licensed architects, engineers, or qualified building inspectors can conduct assessments.
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