MEP Plans in Arleta, Los Angeles
Permit-ready mechanical, electrical and plumbing plans for ADUs, garage conversions, additions and single-family homes in Arleta (City of Los Angeles), prepared for plan check at Los Angeles Department of Building and Safety (LADBS), with Title 24 available in the same order.
Arleta project facts we design around
| City | City of Los Angeles |
|---|---|
| County | Los Angeles County |
| Title 24 climate zone | Climate Zone 9, confirmed by ZIP for every project |
| Electric utility (most addresses) | Los Angeles Department of Water and Power (LADWP) |
| Permit review | Los Angeles Department of Building and Safety (LADBS) |
| ADU permits issued, 2021–2025 | 202 |
| ADU approval timeline | Approve or deny within 60 days of a complete application (state law) |
ADU building activity in Arleta
The City of Los Angeles issued 202 ADU building permits from 2021 through 2025 for addresses in Arleta, based on the city's reports to the state. Permits went from 31 in 2021 to 40 in 2025.
| 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 31 | 55 | 39 | 37 | 40 |
Source: California Department of Housing and Community Development, Annual Progress Report data (ADU building permits by year).
Title 24 in Climate Zone 9
- 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%).
- Whole-house fan required (at least 1.5 cfm per square foot of floor area); units of 500 sq ft or less are exempt.
- Solar PV sized by the CEC formula kW = (floor area x 0.613) / 1000 + 1.36; no PV is required if that is under 1.8 kWdc, which for a single ADU works out to about 718 sq ft or smaller.
Climate Zone 9 requirements in full →
HVAC design for Arleta
The HVAC is sized from a room-by-room Manual J using the outdoor design conditions for the address, in Climate Zone 9's inland climate with hot summers. Cooling-driven Manual J with real window orientation and glazing.
Electrical service from Los Angeles Department of Water and Power (LADWP)
If the load calculation shows you need a service upgrade, a second meter or a relocated service, Los Angeles Department of Water and Power (LADWP) handles that through its Electric Service Planning, separately from the building permit.
ADU electrical service with Los Angeles Department of Water and Power (LADWP) →
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 |
|---|---|---|---|
| North Hollywood (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 3,130 |
| Van Nuys (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 2,156 |
| Pacoima (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 1,487 |
| Canoga Park (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 1,485 |
| Woodland Hills (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 1,256 |
| Granada Hills (Los Angeles) | CZ 9 | Los Angeles Department of Water and Power (LADWP) | 1,206 |
Los Angeles County → · All California cities and communities →
Guides for Arleta projects
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Start My OrderGeneral guidance, not legal advice. Climate zone and utility are shown for most addresses in Arleta; requirements vary by project. Confirm with Los Angeles Department of Building and Safety (LADBS).