Lars Room Additions is a trusted house and room addition company in San Diego, CA. We boast more than 30 years of experience in the field, and we provide a wide array of room addition services, including second-story additions, kitchen and bathroom additions, ADU construction, granny flat additions, master suite additions, and more. Onsite consultation is the first stage of each project that allows us to discuss the needs of our clients and provide them with personalized designs tailored to their requirements and budget. We are well-known in the home addition industry for our advanced craftsmanship, carefully executed projects, and innovative approach. Our NARI-certified experts will do everything in their power to meet and exceed your expectations.