Who Does This Affect?
Senate Bill 721 applies to apartment buildings with 3 or more dwelling units.
This law requires a rigorous sampling size (15% of elements) and has strict penalties for non-compliance enforced by local building departments.
Datum Property Services is a licensed California Class B general contractor (CSLB #1140201) qualified to perform SB-721 exterior elevated element inspections.
Risks of Delay
- Daily Fines: Local jurisdictions can impose fines of $100-$500 per day for non-compliance.
- Liability: Owners are strictly liable for injuries caused by failed elements if inspections were skipped.
- Lien on Property: Unpaid fines or uncompleted repairs can result in liens.
SB-721 Facts
15% Sampling Rule
We must inspect a minimum of 15% of each type of exterior elevated element (balconies, stairs, walkways).
6-Year Cycle
Inspections are required every 6 years (more frequent than the 9-year cycle for HOAs).
Immediate Repairs
"Immediate threats to safety" must be reported to the city within 15 days and repaired immediately.
Process Timeline
From initial document review to final report delivery — here's how we ensure your building is fully compliant.
Document Review
Review building records, unit count, and element inventory
Visual Survey
Walk all exteriors and photograph every elevated element
15% Sampling
Hands-on inspection of representative balconies/walkways
Lab Analysis
Send samples for moisture, decay, or corrosion testing if needed
Report Delivery
Licensed architect-reviewed report with findings and priority repairs
What We Inspect
Our inspectors evaluate every critical component of your building's exterior elevated elements.
Joist-to-Ledger Connections
Verify structural integrity of joist-to-ledger attachments and hardware
Waterproofing Membranes
Assess condition and effectiveness of waterproof barriers
Flashing & Sealant Joints
Check flashing installations and sealant integrity at transitions
Wood Framing Condition
Evaluate wood members for rot, decay, and structural soundness
Guardrail Attachments
Test guardrail connections, height compliance, and load capacity
Drainage & Slope
Confirm proper water drainage slope and absence of ponding
Fastener Corrosion
Inspect bolts, screws, and connectors for rust and degradation
Walking Surface Condition
Evaluate deck surfaces for wear, cracking, and trip hazards
Structural Steel Supports
Assess steel beams, columns, and welds for corrosion or fatigue
Sample Deliverables
Here's what you receive after a completed SB-721 inspection.
Frequently Asked Questions
Common questions about SB-721 inspections and our process.
SB-721 vs SB-326 Comparison
Not sure which law applies to your property? Here's a quick reference.
| Feature | SB-721 | SB-326 |
|---|---|---|
| Applies to | Apartment buildings, 3+ units | Condominiums / HOAs |
| First deadline | January 1, 2026 | January 1, 2025 |
| Re-inspection cycle | Every 6 years | Every 9 years |
| Qualified inspectors | Architect, civil/structural engineer, certified building inspector, or Class A/B/C-5 general contractor | Licensed structural engineer or architect only |
| Sample size | At least 15% of each EEE type | Statistically significant sample determined by inspector |
Related Services
Managing a portfolio with both apartments and condos? You may also need SB-326 inspections for HOAs. If your SB-721 report identifies waterproofing issues, our waterproofing remediation team can handle repairs and permitting. For LA building owners, we also handle EBEWE compliance. Get a fast estimate for any service.