Building Standards

Building Standards & Codes

Effective January 1, 2023, the California Building Standards Commission adopted the 2022 California Code of Regulations Title 24. The City of Lathrop’s Municipal Code: Title 15 Buildings & Construction, shall enforce the following model codes:

Building Design Criteria:

• 2022 California Building Standards Code, Title 24
• 2022 California Building Code (CBC)
• 2022 California Residential Code (CRC)
• 2022 California Electrical Code (CEC)
• 2022 California Energy Code
• 2022 California Green (CAL Green) Building Standards Code
• 2022 California Plumbing Code (CPC)
• 2022 California Mechanical Code (CMC)
• 2022 California Fire Code
• City of Lathrop Municipal Code : Title 15 Buildings & Construction

The City of Lathrop Building Division utilizes the 2022 California Code of Regulations, Title 24.

For reference, please visit their webpage.

Structural Design Criteria:

• Wind Speed:         V_ult = 95 mph (Ultimate)
  • (For risk category II buildings: figure 1609.3(1)) 2022 CBC, Section 1609.3, or [ASCE 7-16 Chapters 26 through 30]

• Wind Exposure Category: [2022 CBC, Section 1609.4]
  • Commercial C
  • Residential C  (unless B can be justified by a recognized engineering study and for Master Plan Housing Developments only)

• Seismic Category: D
  • [2022 CBC, Section 1613.2.5 & Tables 1613.2.5(1) & 1613.2.5(2)]

•    Foundation: Allowable Design Soil Bearing Pressure =          1500    psf
  • (Unless justified by a geotechnical investigation report)
    • [2022 CBC 1806, Table 1806.2]
    • Note: Geotechnical Investigation Report is required for all New Commercial/Residential and Master Plan Building Projects. (except for accessory residential structures)

Energy Design Criteria:

• Climate Zone:             12