Room Additions in Encino, CA from American Reliable Construction & Remodeling, a licensed general contractor (CSLB #1155602) headquartered on Ventura Boulevard in Sherman Oaks. We design, permit and build the project, with permits handled and one coordinator on site. For a free in-home estimate and a written, itemized quote, call (877) 702-6180.
CSLB #1155602 · Licensed, bonded & insured · BBB Accredited · A- Rating · 5.0 on Google (26 reviews)
Encino’s flat lots are some of the best addition sites in the San Fernando Valley: wide parcels, deep backyards and long single-story ranch homes that can absorb a new primary suite or family room without touching the streetscape. South of Ventura Boulevard, in the Encino hills, additions are still very possible — but slope, retaining walls, drainage and hillside review make them a structural project first and a design project second.
Encino is part of the City of Los Angeles, so the zoning code’s setbacks, height limits and floor-area ratio set the envelope, and hillside parcels are additionally reviewed under the Baseline Hillside Ordinance. Gated and HOA-governed enclaves such as Royal Oaks add architectural review on top of the city permit. We identify every layer at the feasibility visit, before design begins.
American Reliable Construction & Remodeling builds additions in Encino from our Sherman Oaks office, a short drive east. Design, structural engineering, LADBS plan check and construction run under one project coordinator and one license — CSLB #1155602. Warranty available. Call for details.
Foundation and soil, structural work, roofline, utility capacity and finish level move the price.
Every home is different — your written estimate is itemized after a free in-home visit.
Read the Sherman Oaks room addition guideFeasibility, design and engineering come first, followed by LADBS plan check — and HOA review in parallel where it applies. Plan-check timing varies; we do not promise approval dates. Construction of a ground-floor addition runs several months once started, with hillside work taking longer for foundation and site stages. You receive a written, phased schedule before demolition.
“We recently completed a room addition along with a full roof customization, and the results are amazing. The team was professional, organized, and easy to communicate with throughout the entire project. The new room looks like it has always been part of the house, and the new roof was installed perfectly. Highly recommend their services!”
“I didn't think a bathroom could make that much of a difference until this one was finished. We kept the design pretty timeless with a walk in shower, porcelain tile, and a wood vanity, and it completely changed the feel of the space. It feels cleaner, more open, and just a lot more enjoyable to use every day.”
“Great experience with American Reliable Construction & Remodeling. They helped us with our ADU from start to finish and made the whole process smooth and stress-free. The team was professional, responsive, and delivered quality work. Highly recommend!”
We'll visit the property, answer the permit and layout questions, and put a written, itemized estimate in your hands — free, no obligation.
Published planning ranges are $350–$600 per square foot for a ground-floor addition and $500–$800 per square foot for a second-story addition. Foundation and soil, structural work, roofline, utility capacity and finish level move the price. Every home is different — your written estimate is itemized after a free in-home visit.
Tell us about your room additions project in Encino. We'll schedule an in-home visit and put a detailed written estimate in your hands — no obligation.
Two quick steps. We typically respond within one business day.
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