DESIGNING...
We're providing dedicated support to homeowners affected by the LA wildfires.Learn More
Back to BlogCommercial Projects

Commercial Building Inspections: What to Expect

October 28, 2025
8 min read
By AAA Engineering Team

Commercial building inspections are critical for ensuring structural safety, code compliance, and long-term building performance. Whether you're buying, selling, or maintaining commercial property, understanding the inspection process is essential.

Types of Commercial Inspections

Pre-Purchase Inspections

  • Existing structural issues
  • Required repairs
  • Code compliance concerns
  • Potential future problems

Periodic Structural Assessments Regular inspections help maintain building integrity and prevent costly repairs through early detection of issues. These inspections may uncover foundation problems similar to those discussed in our [foundation warning signs article](/blog/foundation-repair-warning-signs).

Pre-Renovation Inspections

  • Existing structural capacity
  • Required upgrades per 2024 building codes
  • Integration points for new construction

Post-Damage Assessments After fires, earthquakes, or other events, evaluate structural safety and required repairs. Seismic events may necessitate [seismic retrofitting](/blog/understanding-seismic-retrofitting) upgrades.

The Inspection Process

Initial Planning

  • Define inspection scope
  • Schedule with stakeholders
  • Gather building documentation
  • Review previous inspection reports

On-Site Inspection

  • Foundation condition
  • Structural framing
  • Roof structure
  • Lateral force resisting systems
  • Connections and details
  • Signs of distress or deterioration

Documentation

  • Photographs of conditions
  • Detailed findings
  • Recommended repairs
  • Cost estimates
  • Prioritization of issues

Common Issues Found

Structural Deterioration

  • Concrete spalling or cracking
  • Steel corrosion
  • Wood rot or insect damage
  • Masonry cracking

These issues may require repairs similar to those discussed in foundation repair assessments.

Code Compliance

  • Seismic deficiencies (see seismic retrofitting)
  • Fire safety issues
  • Accessibility requirements
  • Load capacity concerns

Building Systems

  • Roof membrane damage
  • Water intrusion
  • HVAC support issues
  • Parking structure problems

Timeline Expectations

Small Buildings (under 5,000 sq ft)

  • Inspection: 2-4 hours
  • Report: 3-5 business days

Medium Buildings (5,000-20,000 sq ft)

  • Inspection: 4-8 hours
  • Report: 5-10 business days

Large Buildings (over 20,000 sq ft)

  • Inspection: 1-3 days
  • Report: 10-15 business days

Cost Factors

Inspection costs vary based on:

  • Building size and type
  • Inspection scope
  • Access requirements
  • Report detail level
  • Geographic location

Typical costs range from $2,000 to $15,000+ for comprehensive assessments.

Preparing for Inspection

Building Owner Responsibilities

  • Provide building plans if available
  • Ensure access to all areas
  • Share maintenance history
  • Identify known concerns
  • Coordinate with tenants

Documentation to Gather

  • Original construction drawings
  • Previous inspection reports
  • Maintenance records
  • Repair history
  • Permits for modifications

Understanding the Report

Findings Classification

  • **Critical**: Immediate safety concerns
  • **Major**: Significant issues requiring prompt attention
  • **Minor**: Items to monitor or address during routine maintenance

Recommendations

  • Repair priorities
  • Cost estimates
  • Timeline recommendations
  • Required further evaluation

After the Inspection

Immediate Actions Address any critical safety issues immediately.

Short-Term Planning Develop plans for major repairs, typically within 1-2 years.

Long-Term Maintenance Create maintenance schedule for minor items and ongoing monitoring. This is where staying current with [2024 building codes](/blog/building-code-compliance-2024) is important.

Budgeting Use cost estimates to plan capital improvements and maintenance budgets.

Selecting an Inspector

Look for:

  • Licensed structural engineer
  • Commercial building experience
  • Strong local knowledge
  • Clear communication
  • Comprehensive reporting
  • Professional insurance

Regulatory Considerations

Mandatory Inspections

  • Buildings over certain age
  • Specific occupancy types
  • Seismic risk areas (consider seismic retrofitting)
  • Historical structures

Triggering Renovations

  • Changing building use
  • Expanding occupancy
  • Performing major alterations per current codes
  • Modernizing systems

Value of Professional Inspections

Regular structural inspections provide:

  • Early problem detection
  • Reduced long-term costs
  • Improved safety
  • Better asset management
  • Documentation for stakeholders

Working with Tenants

Coordinate inspections to:

  • Minimize business disruption
  • Ensure access to leased spaces
  • Communicate findings appropriately
  • Plan repairs around operations

Our commercial inspection team has evaluated thousands of buildings throughout California. We provide thorough, actionable reports that help you make informed decisions about your commercial property.

Contact us to schedule a commercial building inspection or to discuss your specific evaluation needs.

Need Professional Engineering Services?

Our licensed Professional Engineers are ready to help with your project. Get a free consultation to discuss your structural engineering needs.

Related Articles

Continue exploring our engineering insights

Structural Engineering
Dec 19
12 min read

Office Building Structural Engineering in Aliso Viejo: Complete 2025 Guide

Office building structural engineering in Aliso Viejo. Learn about commercial design, seismic requirements, and PE-stamped plans. Call (949) 981-4448.

Structural Engineering
Dec 19
11 min read

Commercial Building Renovation Engineering in San Juan Capistrano: Complete 2025 Guide

Commercial building renovation engineering in San Juan Capistrano. Historic renovation, seismic upgrade, and PE-stamped plans. Call (949) 981-4448.

Structural Engineering
Dec 19
11 min read

Shopping Center Structural Engineering in Seal Beach: Complete 2025 Guide

Shopping center structural engineering in Seal Beach. Retail complex design, storefront engineering, and PE-stamped plans. Call (949) 981-4448.

Get Started

Ready to Start Your Project?

Get a free consultation and detailed quote for your engineering project. Our licensed Professional Engineers are ready to help bring your vision to life.

Contact Information

Office

8031 Main Street
Stanton, CA 90680

Business Hours

Monday-Friday 9:00 AM - 5:00 PM

Saturday Closed

Sunday Closed

Why Choose Us?

Free consultation & quote
24-hour response guarantee
Licensed Professional Engineers
100% satisfaction guarantee

Get Your Free Consultation

Fill out the form below and we'll get back to you within 24 hours with a detailed consultation and project quote.

We respect your privacy and never share your information. You'll receive a response within 24 hours.