Home Additions & Room Additions in Los Angeles, Orange County, & Inland Empire
At DFL Design + Build, we specialize in custom home additions for homeowners across Los Angeles County, Orange County, and the Inland Empire. Whether you need more living space, an extra bedroom, or a complete home expansion, our design-build team manages every phase from planning and permits to construction. Our streamlined design-build approach ensures your addition is fully integrated with your existing home while maintaining efficiency, transparency, and high-quality craftsmanship throughout the entire process.
Full-Service Home Addition Solutions
Room Additions
Room additions are one of the most effective ways to increase your home’s functionality and value. Whether you need an extra bedroom, office, or expanded living space, we design and build additions that blend seamlessly with your existing layout.
Second Story Additions
If you need more space but want to preserve your lot, a second story addition is a great solution. Our team designs structurally sound second floor expansions that match the style and structure of your home.
Home Extensions & Expansions
We specialize in extending existing spaces such as kitchens, living rooms, and master suites. Our home extensions improve flow, increase square footage, and enhance overall usability.
Garage Conversions & ADU Integration
Transform underutilized space into functional living areas. We can convert garages or integrate additions with ADUs to maximize your property’s potential and long-term value.
Our Design-Build Process for Additions
1. Consultation & Planning
We begin with a detailed consultation to understand your goals, space requirements, and budget. Our team evaluates your existing property and identifies the best approach for your addition.
2. Design & Architectural Plans
Our in-house design-build team develops plans that ensure your addition integrates seamlessly with your current structure while meeting local building codes.
3. Permits & Approvals
Home additions require proper approvals. We handle all permits and city requirements across Los Angeles, Orange County, and Inland Empire jurisdictions.
4. Construction & Project Management
Our experienced construction team manages every phase of the build, ensuring timelines, materials, and workmanship meet the highest standards.
5. Final Completion
We deliver a finished addition that enhances your home’s space, functionality, and value while maintaining design consistency.
Why Choose Us for Your Home Addition
Full-service design-build team
Seamless integration with existing home structure
Expertise in local building codes and permitting
High-quality materials and craftsmanship
Clear communication and project transparency
Our approach ensures your home addition is both functional and visually cohesive with your existing property.
Areas We Serve
We provide home addition and room addition services throughout Southern California, including:
Los Angeles
Santa Monica
Culver City
Pasadena
Torrance
Redondo Beach
Manhattan Beach
Irvine
Newport Beach
Costa Mesa
Laguna Beach
Huntington Beach
Riverside
Corona
Ontario
Rancho Cucamonga
Redlands
If you are located in Los Angeles County, Orange County, or the Inland Empire, we are ready to help expand your home.
Frequently Asked Questions
How long does a home addition take?
Project timelines vary depending on size and complexity. Smaller room additions may take a few months, while larger projects like second story additions can take longer.
Do home additions require permits?
Yes, most home additions require permits and city approvals. Our team manages the entire permitting process to ensure compliance with local regulations.
How much does a home addition cost?
Costs depend on square footage, design complexity, and materials. We provide detailed estimates after the initial consultation and planning phase.
Will my addition match my existing home?
Yes. We design additions to seamlessly integrate with your home’s existing style, layout, and structure.
Can I live in my home during construction?
In many cases, yes. For larger or more complex additions, temporary adjustments may be needed to minimize disruption.
Start Your Home Addition Project
Ready to expand your living space? Our team is here to guide you through every step of your home addition, from design to construction. Contact us today to schedule a consultation and start planning your project.
Free Plans with Our Design + Build Package
Simplify your home addition project with our complete Design + Build service. When you choose this package, you receive professionally prepared project plans at no additional cost. Our team handles everything from design and planning to permits and construction, eliminating the need to coordinate with multiple professionals. This streamlined process keeps your project efficient, organized, and built to the highest standards.
OUR ADDITIONS PORTFOLIO
