MEP Plans in Malibu, CA
Permit-ready mechanical, electrical and plumbing plans for ADUs, garage conversions, additions and single-family homes in Malibu, prepared for plan check at the City of Malibu building department, with Title 24 available in the same order.
Malibu project facts we design around
| County | Los Angeles County |
|---|---|
| Title 24 climate zone | Climate Zone 6, confirmed by ZIP for every project |
| Electric utility (most addresses) | Southern California Edison (SCE) |
| Permit review | The City of Malibu building department |
| ADU permits issued, 2021–2025 | 29 (#334 of 450 cities) |
| ADU approval timeline | Approve or deny within 60 days of a complete application (state law) |
ADU building activity in Malibu
Malibu issued 29 ADU building permits from 2021 through 2025, the 334th most among the 450 California cities that reported ADU permits. Permits went from 6 in 2021 to 5 in 2025.
| 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 6 | 6 | 3 | 9 | 5 |
Source: California Department of Housing and Community Development, Annual Progress Report data (ADU building permits by year).
Title 24 in Climate Zone 6
- Windows: U-factor 0.30 or lower and solar heat gain coefficient (SHGC) 0.23 or lower, with total window area up to 20% of floor area (west-facing up to 5%).
- Solar PV sized by the CEC formula kW = (floor area x 0.594) / 1000 + 1.23; no PV is required if that is under 1.8 kWdc, which for a single ADU works out to about 960 sq ft or smaller.
Climate Zone 6 requirements in full →
HVAC design for Malibu
The HVAC is sized from a room-by-room Manual J using the outdoor design conditions for the address, in Climate Zone 6's coastal, marine-influenced climate. Right-size the heat pump from a real Manual J instead of a tonnage guess.
Electrical service from Southern California Edison (SCE)
If the load calculation shows you need a service upgrade, a second meter or a relocated service, Southern California Edison (SCE) handles that through its Building, Renovation, and Project Planning Portal, separately from the building permit.
ADU electrical service with Southern California Edison (SCE) →
Plumbing and sewer
The plumbing plan shows the route, slope and cleanouts of the connection to the existing sewer lateral.
Pricing is flat statewide: ADU plans from $995, full ADU MEP package from $2,295, Title 24 add-on $240. See what's in a complete ADU MEP set.
Nearby places compared
| Place | Climate zone | Electric utility | ADU permits 2021–25 |
|---|---|---|---|
| Los Angeles | CZ 9, 8, 6, 16 | Los Angeles Department of Water and Power (LADWP) | 52,059 |
| Long Beach | CZ 6, 8 | Southern California Edison (SCE) | 3,015 |
| Glendale | CZ 9 | Glendale Water and Power | 2,945 |
| Burbank | CZ 9 | Burbank Water and Power | 1,376 |
| Torrance | CZ 6, 8 | Southern California Edison (SCE) | 1,051 |
| Downey | CZ 8 | Southern California Edison (SCE) | 1,020 |
Los Angeles County → · All California cities and communities →
Guides for Malibu projects
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Start My OrderGeneral guidance, not legal advice. Climate zone and utility are shown for most addresses in Malibu; requirements vary by project. Confirm with the City of Malibu building department.