Special zoning regulations apply to ADU construction in El Segundo. ADUs are allowed in residential areas. Checking of zoning standards is essential before construction. The city of El Segundo sets different construction criteria in different areas. Not all residential areas are allowed to form ADUs. So first get to know the rules of your area.
| Lot Size | Single-Family (Maximum Floor Area Allowed) | Duplex and Multi-Family (Maximum Floor Area Allowed) |
| 6,000 | 1,400 sq ft | 900 sq ft |
| 8,500 | 1,700 sq ft | 1,100 sq ft |
| 11,000 | 2,000 sq ft | 1,300 sq ft |
| 16,000 | 2,600 sq ft | 1,800 sq ft |
| 21,000 | 3,200 sq ft | 2,200 sq ft |
The size of the ADU in El Segundo depends on the size of the lot. The size of ADU in small lots is limited. Larger lots may have a higher ADU size. Different size limits have been set for single family and multi-family property. Decide the right size of the ADU according to your lot before manufacturing.
The maximum height limit of the ADU in El Segundo must be less than the main building. The height of a one-story ADU can be up to fifteen feet. The maximum height of the two-storey ADU is allowed up to twenty-five feet. The slope of the roof and architectural elements are incorporated into the elevation. It is necessary to check the height limit before construction.
The coverage of ADU should not exceed forty percent of the total area of the property. The combined coverage of the main building and ADU is up to sixty percent permitted. Enough space has to be left for open space and landscaping. Calculating coverage also includes garages and porches.
Single-Family Properties:
Duplex and Multi-family Properties:
The exterior design of the ADU in El Segundo should match the main building. The selection of roof style and construction material has to be done carefully. The design of windows and doors should be attractive. Exterior colours and textures should resemble the main building. Create beautiful scenery through landscaping.
An additional parking space is mandatory for ADU in El Segundo. The size of the parking space should conform to the standard vehicle. ADUs located near public transport may receive parking discounts. Access to the parking lot should be easy. Leave enough space for vehicular movement.
It is necessary to adhere to the minimum setback distance for ADU in El Segundo. A setback of twenty feet will have to be placed on the front. The side setback should be five feet and the rear setback ten feet. Plant trees in the buffer zone. No construction can be done in the setback.
| Zone | Minimum Lot Area |
| R-22 | 6,000 sq. ft. |
| R-12 | 8,500 sq. ft. |
| R-9 | 11,000 sq. ft. |
| R-6 | 16,000 sq. ft. |
| R-3.5 | 21,000 sq. ft. |
Different minimum lot areas have been set for different zones in El Segundo. The size of the lot in the residential zone decides the ADU construction permits. The area of the lot should be sufficient according to the zone. There may be a ban on making ADUs in small lots.
ADUs in El Segundo require independent utility connections. Separate meters have to be installed for electricity, water and sewer. The capacity of the utility connection should be sufficient. Obtain the necessary permits for connection. Contact utility companies in advance.
The connection of ADU to the utility line of the main building can be obtained. This will require special engineering design. The cost of utility connection will come separately. All connections must be secure and durable. Plan regular maintenance.
ADU in El Segundo is mandated to adhere to all standards of fire safety. It is necessary to install smoke detectors and carbon monoxide alarms. The way to the emergency exit should be clear. Ensure availability of fire extinguishers. Get regular inspections of safety equipment.
Special permission is required to rent short-term ADUs in El Segundo. Fares of less than 30 days period have been banned. The use of ADU for domestic business is limited. Business activities should not disturb neighbours. Violation of the rules can lead to fines.
ADU construction in El Segundo must be in accordance with California building codes. Adherence to all safety standards is mandatory. Building materials should be of high quality. Officers will have to be called from time to time for inspection. Design and build according to the code.
| Permit Type | Cost |
| Building Permit | $2,500 – $5,500 |
| Electrical Permit | $350 – $600 |
| Plumbing Permit | $300 – $500 |
| Mechanical Permit | $250 – $400 |
| Demolition Permit | $200 – $300 |
| Landscaping Permit | $150 – $200 |
Various permits must be obtained for ADU construction in El Segundo. The cost of all permits is different. Keep the necessary documents ready for the permit. Obtain all permits before starting construction. Keep renewing the permit on time.
Property size and location are important to build an ADU in El Segundo. The slope of the ground should be favorable to the flow of water. Get the soil tested. There should be no legal dispute over the property. See the development of the surrounding area.
A setback of twenty feet at the front is mandatory for the ADU at El Segundo. Keep distance from the main road according to the rules. Landscaping can be done in setbacks. Leave space for parking. No permanent construction can be done in the setback area.
The side setbacks have to keep a distance of at least five feet. A setback of ten feet in the back is required. Trees can be planted in the setback. Leave room for utility connections. Violation of setback may result in action.
It is necessary to leave open space with ADU in El Segundo. Keep thirty percent of the total area open. Make space for children to play. Choose a suitable place for the garden. Get beautiful landscaping done of open spaces.
ADUs can be built in both single family and multifamily properties in El Segundo. The lot size must be larger than the minimum standard. There should not be any ADU on the property beforehand. The property must be eligible as per zoning rules.
Additional rules apply for properties located in particular areas. ADUs are not allowed to be built in historic buildings. Special designs will be required in the flood-affected area. It is necessary to follow safety standards in the earthquake zone.
The size of the junior ADU in El Segundo is limited to five hundred square feet. JADU can be created inside the main building. Small kitchen and bathroom are mandatory. There should be a separate entry. Can have interior door with main building. Provide all the necessary facilities in JADU.
The city of El Segundo has already approved some ADU designs. Selecting these designs speeds up the permit process. Necessary changes can be made to the pre-approved design. The cost of these designs is also low. Construction time is also shorter.
Pre-approved ADUs are available in various sizes and styles. These include all modern facilities. Additional approval will have to be taken for design changes. The pre-approved design has already been inspected. Adhering to quality and safety standards is ensured.
This is the best time to start your ADU project in El Segundo. Our team will take care of your every need. Will guide the entire process from design to construction. Ensure quality manufacturing following all rules and standards. Get in touch today and make your dream ADU come true.
Fire sprinklers are only required if the primary dwelling also has them.
ADUs typically require a minimum setback of 4 feet from property lines.
Separate utility connections are optional but not mandatory for most ADUs.
The checklist includes design review, site plans, structural plans, permits, and financing.
You need site plans, floor plans, construction details, and a permit application.
Inspections typically include foundation, framing, plumbing, electrical, and final review.
Work with licensed professionals to design and construct your ADU to code.
You may need to revise and resubmit plans to the El Segundo planning office.
Submit complete and accurate documents and work with professionals to avoid delays.
ADUs under 750 sq. ft. are exempt from impact fees.
Yes, it includes checking structure, utilities, and obtaining conversion permits.
Yes, ADUs must meet height, size, and setback requirements, and their design should complement the primary dwelling.
Yes, but you need to ensure the ADU fits within allowable lot coverage and setback rules.
ADUs must comply with California Building Codes, including foundation, framing, insulation, plumbing, and electrical requirements.
Yes, ADUs must comply with California Energy Code (Title 24) and include energy-efficient windows, insulation, and appliances.
You must submit a revised plan to the El Segundo Building Department and may incur additional fees or inspections.
Yes, ADUs near high-noise areas (e.g., busy roads) must include soundproofing measures such as double-glazed windows.
Yes, you can appeal to the city’s Planning Commission or seek adjustments to meet requirements.
Lot coverage varies by zoning but generally allows for up to 50% of the lot to be developed, including the primary dwelling and ADU.
