Adu Construction Service
Loading...
Loading...
ADU construction in Los Angeles typically ranges from $250 to $300 per square foot. The final cost depends on factors like size, finish level, and complexity of the build.
Contractor? Create instant estimates with AI and win more jobs.
Try Now for free!What most Los Angeles customers get at each price point.
Conversion of an attached existing space or a custom build with basic finishes and simple design.
A custom build with standard finishes and moderate complexity, or conversion of a detached existing space.
A high-end custom build with luxury finishes, complex design, and challenging site conditions.
Click any value to edit, All fields are fully customisable
$2,063.68
Total Estimate Amount
MAX can make mistakes.
This is a Preliminary Estimate
This estimator provides a starting point based on typical jobs. Actual costs may vary based on site conditions, material availability, permit requirements, and other factors discovered during work. We recommend a site visit before providing final pricing to customers.
This estimate is based on typical job parameters. Review and adjust for your specific situation. Standard market rates for your region, mid-grade materials unless specified, standard business hours labor rates, typical job complexity without major complications, basic cleanup included in labor time.
Job complexity
Simple repairs cost less than full installations or replacements. Multi-step jobs requiring permits or inspections add to the total.
Material quality
Budget, mid-grade, and premium materials can swing the price significantly. Discuss options with your contractor to find the right balance.
Local labor rates
Labor costs vary by region, season, and demand. Urban areas and peak seasons typically have higher rates than rural or off-peak times.
Site conditions
Difficult access, older structures, code upgrades, or unexpected issues discovered during work can increase the final cost.
Every contractor prices differently. Create a free account to set custom labor rates, material markups, and default margins that match your business.
Compare local pros and get free quotes
Common questions about costs and estimates for this service.
Based on a typical range of $250-$300 per square foot, a 1000 sq ft ADU in Los Angeles could cost between $250,000 and $300,000. For a high-complexity or luxury build, using the $400 per square foot figure, it could reach $400,000.
A reasonable general contractor overhead and profit margin for an ADU project can vary, but generally, GCs charge between 15% to 25% for overhead and profit.
Yes, construction costs in Los Angeles, including for ADUs, remain higher than most other regions in the United States. Factors like demand, material costs, and local labor rates contribute to this.
Converting an attached existing space typically falls into the basic tier ($240–$280 per sq ft). Converting a detached existing space might fall into the mid-range ($281–$350 per sq ft). A new custom build can span all tiers ($240–$400 per sq ft) depending on finishes and design complexity.
The current going rate for new residential builds is averaging around $300–$450 per square foot in Southern California, depending on finishes, structural complexity, and site conditions. This provides a useful benchmark when comparing ADU costs.