1. Why Inglewood Is One of LA's Best ADU Markets
Inglewood has undergone a remarkable transformation over the past decade. The opening of SoFi Stadium in 2020, the adjacent Hollywood Park development, and the city's proximity to Los Angeles International Airport (LAX) have combined to create one of the strongest rental demand environments in Southern California. For homeowners considering an ADU, this context matters enormously: a well-built unit in Inglewood commands rents that rival far more expensive neighborhoods in LA City.
The city's median home value sits in the $700,000–$800,000 range, meaning most long-term homeowners have substantial equity to tap for construction financing. At the same time, Inglewood's lot sizes — typically 5,000 to 7,500 square feet in residential zones — are large enough to accommodate a meaningful attached addition without eliminating usable outdoor space. The combination of strong rental demand, available equity, and adequate lot sizes makes Inglewood a textbook case for ADU investment.
Inglewood's rental market data as of early 2026 tells a compelling story. The average two-bedroom apartment rents for $2,522 per month — a 10% year-over-year increase — while one-bedroom units average $1,975 per month. These figures are not outliers; they reflect a sustained structural shift in demand driven by employment growth at the airport, entertainment venues, and the broader Hollywood Park mixed-use development that will eventually add 2,500 residential units, 300,000 square feet of retail, and a 6,000-seat performance venue to the immediate area.
2. The Two-Story Rule: What Inglewood Actually Allows
This is the most important thing to understand before planning a two-story ADU in Inglewood: the city's 2024 ADU Development Standards limit new detached ADUs to one story or 16 feet. This is more restrictive than LA City, which allows detached ADUs up to 25 feet in some zones. If you want a two-story ADU in Inglewood, it must be attached to the primary residence.
The good news is that an attached two-story ADU can match the height of the primary dwelling — which in most Inglewood residential zones means up to two full stories. This opens the door to configurations that a detached structure cannot achieve: a 1,200 square foot two-bedroom, two-bathroom unit spread across two floors, with a private entrance, separate utilities, and full kitchen. For homeowners with a single-story primary residence and a side yard or rear yard with adequate setbacks, this is a highly viable path to maximizing rental income.
It is also worth noting that the California Department of Housing and Community Development (HCD) reviewed Inglewood's ADU ordinance in May 2025 and issued a compliance letter. The city has since updated its standards to align with state law, including provisions for previously unpermitted ADUs and expanded protections for Junior ADUs (JADUs). If you have an existing unpermitted structure on your property, the current regulatory environment is unusually favorable for legalization.
3. Inglewood ADU Regulations at a Glance
Inglewood is an incorporated city with its own municipal code — it is not governed by LA City or LA County planning rules. The following standards are drawn from the Inglewood Municipal Code (IMC) Article 35 and the 2024 ADU Development Standards published by the Economic and Community Development Department.
| Standard | Detached ADU | Attached ADU | Garage Conversion |
|---|---|---|---|
| Max Height | 1 story / 16 ft | Match primary dwelling height | Match existing structure |
| Max Size | 1,200 sq ft | 850 sq ft or 50% of primary (whichever is greater) | Up to 850 sq ft |
| Side Setback | 4 ft minimum | 4 ft minimum (new footprint) | 0 ft (existing footprint) |
| Rear Setback | 4 ft minimum | 4 ft minimum (new footprint) | 0 ft (existing footprint) |
| Parking Required | No (within ½ mi of transit) | No (within ½ mi of transit) | No |
| Owner Occupancy | Not required (post-2020) | Not required (post-2020) | Not required (post-2020) |
| Rent Control | Exempt (AB 1482) | Exempt (AB 1482) | Exempt (AB 1482) |
One of the most significant regulatory advantages in Inglewood — and across California — is the rent control exemption. New ADUs built after January 1, 2020 are exempt from local rent stabilization ordinances under AB 1482. Inglewood has its own RSO with an allowable annual increase of 3.0% for FY 2025–2026, but your new ADU is not subject to it. You can set market rents and adjust them freely, which significantly improves the long-term ROI calculation.
4. The Permit Process: Inglewood vs. LA City
Many homeowners are surprised to learn that Inglewood has its own Building Safety Division — it does not use the Los Angeles Department of Building and Safety (LADBS) or the LA County Department of Regional Planning. This matters because the permit process, fee schedule, and plan check timeline are entirely separate from what you may have read about LA City ADU projects.
The Inglewood Building Safety Division is located at City Hall and handles all residential building permits. For an ADU project, the typical submission package includes five sets of architectural plans on 24" × 36" sheets, two sets of structural calculations stamped by a licensed engineer, energy compliance documentation (Title 24), and a recorded covenant with the LA County Recorder confirming the ADU's status. LA County Fire Department also reviews plans separately and issues its own plan check invoice.
| Step | Action | Typical Timeline | Who Handles It |
|---|---|---|---|
| 1 | Feasibility review & site assessment | 1–2 weeks | Contractor / architect |
| 2 | Architectural drawings & structural calcs | 3–6 weeks | Licensed architect + engineer |
| 3 | Submit permit application to Inglewood Building Safety | 1 week | Contractor |
| 4 | Plan check (first review) | 4–8 weeks | City of Inglewood |
| 5 | Corrections & resubmittal (if required) | 2–4 weeks | Architect + contractor |
| 6 | Permit issuance | 1–2 weeks | City of Inglewood |
| 7 | Construction | 4–6 months | General contractor |
| 8 | Final inspections & certificate of occupancy | 2–4 weeks | City of Inglewood |
Inglewood's building permit fees are calculated as a percentage of construction valuation. For a two-story attached ADU valued at $350,000–$430,000, expect total city permit fees of $8,000–$14,000, plus a separate LA County Fire Department plan check fee. Energy plan check fees are capped at $2,000. School fees (LAUSD or Inglewood Unified) apply to new construction and are calculated per square foot.
5. Real Costs for a Two-Story ADU in Inglewood (2026)
Construction costs in Inglewood track closely with the broader LA County market. For a two-story attached ADU — which requires more structural engineering than a single-story detached unit — the all-in project cost typically ranges from $350,000 to $430,000 for a 900–1,200 square foot unit with mid-range finishes. This translates to approximately $300–$380 per square foot, consistent with the GreatBuildz 2026 benchmark of $300–$400 per square foot for new construction ADUs in LA County.
| Cost Category | Low Estimate | High Estimate | Notes |
|---|---|---|---|
| Architecture & engineering | $12,000 | $22,000 | Two-story requires licensed structural engineer |
| City permits & fees | $8,000 | $14,000 | Inglewood Building Safety + LA County Fire |
| School fees | $3,500 | $6,000 | Per sq ft, new construction only |
| Site preparation & foundation | $22,000 | $40,000 | Attached addition — shared foundation possible |
| Framing & structural | $55,000 | $85,000 | Two-story adds ~20% vs. single-story |
| Roofing | $8,000 | $15,000 | Must match or complement primary residence |
| Exterior (stucco, windows, doors) | $18,000 | $30,000 | |
| Plumbing (rough & finish) | $18,000 | $28,000 | New meter or sub-panel required |
| Electrical (rough & finish) | $14,000 | $22,000 | 200A panel upgrade often required |
| HVAC (mini-split system) | $8,000 | $14,000 | Per-zone mini-split recommended |
| Insulation & drywall | $12,000 | $18,000 | |
| Interior finishes (cabinets, tile, flooring) | $28,000 | $45,000 | Mid-range finishes |
| Appliances & fixtures | $8,000 | $14,000 | |
| Landscaping & site restoration | $5,000 | $10,000 | |
| Contingency (10%) | $22,000 | $36,000 | Always budget a contingency |
| Total | $241,500 | $399,000 | Typical range: $350K–$430K all-in |
6. Inglewood Rental Market: The Numbers
Inglewood's rental market in early 2026 is defined by strong demand for larger units. Two-bedroom apartments average $2,522 per month — a 10% year-over-year increase — while the studio market has softened (-20% YoY), reflecting a tenant preference shift toward more space. This trend directly benefits two-story ADU owners, who can offer the two-bedroom, two-bathroom configurations that command the highest rents.
| Unit Type | Avg Monthly Rent (2026) | YoY Change | Best Inglewood Neighborhoods |
|---|---|---|---|
| Studio | $2,441 | -20% | Downtown Inglewood, Morningside Park |
| 1 Bedroom | $1,975 | -1% | All neighborhoods |
| 2 Bedrooms | $2,522 | +10% | Morningside Park, Downtown, Fairview Heights |
| 3 Bedrooms (est.) | $3,100–$3,500 | N/A | Morningside Park, Centinela Heights |
The neighborhood breakdown matters for ADU planning. Morningside Park — the neighborhood closest to SoFi Stadium and Hollywood Park — commands the highest rents in the city, with studios averaging $2,960 per month. Downtown Inglewood follows at $2,460 for studios. For a two-bedroom ADU in Morningside Park, market rents of $2,800–$3,200 per month are achievable for a well-finished unit with private entrance and in-unit laundry.
Vacancy rates in Inglewood remain low, driven by the city's employment base. LAX employs approximately 50,000 people directly and supports another 500,000 jobs regionally. SoFi Stadium and the Hollywood Park entertainment district add hospitality and event-industry workers who prefer proximity to their workplace. The result is a tenant pool that is broad, stable, and growing — an ideal backdrop for a new ADU investment.
7. ROI & Break-Even Projections
The ROI calculation for a two-story attached ADU in Inglewood depends on three variables: total project cost, monthly rental income, and vacancy rate. Using conservative assumptions — a $390,000 all-in cost, $2,500 per month rent, and a 5% vacancy rate — the break-even period is approximately 8.5 years. Under more optimistic assumptions (Morningside Park location, $2,900/month rent, 3% vacancy), break-even falls to 7.2 years.
| Scenario | Build Cost | Monthly Rent | Annual Net Income | Break-Even | 10-Year Gain |
|---|---|---|---|---|---|
| Conservative | $390,000 | $2,500 | $28,500 | 13.7 yrs | $285,000 |
| Base Case | $390,000 | $2,500 | $28,500 | 8.5 yrs* | $285,000 |
| Optimistic (Morningside Park) | $390,000 | $2,900 | $33,060 | 7.2 yrs* | $330,600 |
| Premium (3BR, 1,200 sq ft) | $430,000 | $3,300 | $37,620 | 7.0 yrs* | $376,200 |
* Break-even calculations include a 3% annual rent increase and 5% vacancy rate. The "Base Case" and above scenarios account for a $100,000 property value increase from the ADU addition, reducing the effective payback period. Net income figures deduct estimated annual maintenance ($2,400), insurance ($1,200), and property management (0% — owner-managed).
8. Best Floor Plan Configurations
Because Inglewood requires two-story ADUs to be attached, the floor plan is constrained by the primary residence's footprint and the available side or rear yard. The most common configurations for Inglewood lots are:
| Configuration | Total Sq Ft | Layout | Best For | Est. Rent |
|---|---|---|---|---|
| Side addition, 2 stories | 800–1,000 sq ft | 1BR/1BA down, 1BR/1BA up | Couples, young professionals | $2,200–$2,600/mo |
| Rear addition, 2 stories | 900–1,200 sq ft | Living/kitchen/bath down, 2BR up | Small families, roommates | $2,500–$3,000/mo |
| Above garage, 2 stories | 600–850 sq ft | Studio or 1BR per floor | Singles, airport workers | $1,900–$2,400/mo |
| Full rear wing, 2 stories | 1,000–1,200 sq ft | 2BR/2BA — full apartment layout | Families, long-term tenants | $2,800–$3,400/mo |
The full rear wing configuration — a two-story addition spanning the rear of the primary residence — consistently delivers the highest rental income in Inglewood. The key design considerations are: a private entrance that does not require passing through the main house, a separate utility meter, sound attenuation between the shared wall, and adequate natural light on both floors. A skilled architect can typically achieve all four on a standard 50' × 130' Inglewood lot.
In-unit laundry is a strong differentiator in Inglewood's rental market. Adding a stacked washer/dryer in a closet on the lower floor adds approximately $3,000–$5,000 to construction cost but can justify $100–$200 per month in additional rent and significantly reduces vacancy time. It is one of the highest-ROI finish decisions available to ADU owners.
9. Financing Your Inglewood Two-Story ADU
With project costs in the $350,000–$430,000 range, most Inglewood homeowners finance their two-story ADU through a combination of home equity and construction lending. The city's median home value of $700,000–$800,000 means that homeowners who purchased before 2020 typically have $300,000–$500,000 in equity — more than enough to support a HELOC or cash-out refinance.
| Financing Option | Best For | Typical Rate (2026) | Key Advantage |
|---|---|---|---|
| HELOC | Homeowners with 40%+ equity | Prime + 0.5–1.5% (~8–9%) | Draw as needed, interest-only during construction |
| Cash-out refinance | Low existing mortgage rate holders | 6.5–7.5% (30-yr fixed) | Single payment, lower rate than HELOC |
| Construction loan → permanent | New purchases or major renovations | 7–8.5% | Covers land + build in one product |
| CalHFA ADU Grant | Owner-occupants, income-qualified | Free ($40,000 grant) | No repayment required — apply first |
| ADU-specific lender (RenoFi, etc.) | Limited equity situations | 7–9% | Lends against post-renovation value |
10. Common Mistakes Inglewood Homeowners Make
After working on ADU projects across Inglewood and the South Bay, the Skyline Builders team has seen the same avoidable errors appear repeatedly. Understanding them before you start can save months of delay and tens of thousands of dollars.
Assuming Inglewood uses LA City or LA County rules
Inglewood is its own incorporated city. Its permit office, fee schedule, plan check process, and zoning code are entirely separate from LADBS and the LA County DRP. Contractors who primarily work in LA City often make costly assumptions when they take on an Inglewood project for the first time.
Planning a detached two-story ADU
Inglewood's 2024 standards limit new detached ADUs to one story or 16 feet. A two-story detached ADU will not be approved. If your site plan calls for a standalone backyard structure, it must be single-story. For two stories, the ADU must be attached to the primary residence.
Underestimating structural engineering costs
An attached two-story addition requires a licensed structural engineer to design the connection to the existing foundation and the second-floor framing system. This is not optional and is more complex than a detached single-story slab. Budget $5,000–$10,000 for structural engineering alone.
Skipping the utility upgrade assessment
Inglewood requires a separate utility meter for new ADUs. If the primary residence is on a 100A panel, a 200A upgrade is typically required before the ADU can be connected. Southern California Edison's interconnection process adds 4–8 weeks to the timeline and $8,000–$15,000 to the budget.
Not applying for the CalHFA grant before starting
The CalHFA ADU Grant covers pre-development costs up to $40,000. It must be applied for before you break ground. Many Inglewood homeowners who qualify miss this benefit because they start construction before checking eligibility.
Designing without a private entrance
A two-story ADU that requires tenants to pass through the main house is nearly unrentable and may not pass final inspection. Every ADU must have its own independent entrance. On tight lots, this sometimes requires a side-yard access path — plan for it in the site design from day one.
11. Frequently Asked Questions
Ready to Build Your Two-Story ADU in Inglewood?
Skyline Builders CA Inc. has completed ADU projects across Inglewood, Morningside Park, and the South Bay. We handle design, permits, and construction — and we know Inglewood's Building Safety Division personally.
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