Hawthorne Sunrooms & Patios is a sunroom contractor serving Torrance, CA with four-season sunrooms, patio enclosures, and custom sunroom additions across all of Torrance's neighborhoods. We have been working in the South Bay since 2019 and know what the postwar ranch homes and coastal Hollywood Riviera properties here actually need.

Torrance has warm summers and enough coastal humidity that a conditioned, insulated room is worth the investment for homeowners who plan to use the space year-round. Our four-season sunrooms use low-E glass and a ductless mini-split system to keep the space comfortable through both the hottest weeks and the cooler, damp months when the marine layer rolls in from the Pacific.
Torrance has thousands of postwar homes with a rear concrete slab that gets little use because there is no weather protection around it. A patio enclosure converts that slab into a livable room using aluminum framing and glass panels, and because it builds off an existing concrete base, it avoids the excavation and footing costs of a full addition.
Torrance homeowners looking to add a home office, hobby room, or informal family space often find a sunroom addition delivers more livable square footage per dollar than any other project type. We frame directly off the existing rear wall and keep the design within Torrance's residential setback and lot coverage limits.
Torrance has a number of homes with older enclosed patios or aluminum room additions that were built in the 1970s and 1980s and are now drafty, dim, or dated. A sunroom remodel replaces aging framing and single-pane glass with current materials, and can add insulation, updated glazing, and proper electrical in the same project.
Torrance's climate is mild enough that a screened room is comfortable for the majority of the year. A screen room provides shade and cross-ventilation on homes where afternoon sun makes the rear patio too hot to use, and powder-coated aluminum framing holds up against the salt air that moves inland from the nearby coast.
A solid or lattice patio cover is a practical starting point for Torrance homeowners who want shade and weather protection without the cost or permit process of a full enclosure. Covers work especially well on Torrance's one-story ranch homes where the rear patio sits directly off a sliding door and outdoor use is limited by afternoon sun exposure.
The bulk of Torrance was built out between 1945 and 1975, and the housing stock reflects that. Neighborhoods like Southwood and Old Torrance are made up almost entirely of one-story ranch homes on slab foundations with small to medium rear yards. The concrete flatwork on these properties - driveways, walkways, rear patios - was poured 50 to 70 years ago, and much of it has cracked or heaved from the clay soil underneath and the root growth of mature trees. Before framing any sunroom addition, we assess whether the existing slab is a usable base or whether the footing work needs to happen first.
The Hollywood Riviera neighborhood in southwest Torrance adds a different set of conditions. Homes there sit close to the coast, some dating to the 1930s and 1940s with clay tile roofs and older structural configurations. Salt air from Torrance Beach and the nearby ocean is a daily presence in that part of the city, and framing materials that are not rated for coastal exposure will show visible corrosion within a few years. The Torrance Community Development Department has specific permit requirements for sunroom and patio enclosure projects, and we know those requirements from consistent work in the city.
Our crew works throughout Torrance regularly, and we understand the local conditions that affect sunroom contractor work here. Torrance is one of the larger South Bay cities at roughly 20 square miles, and the neighborhoods within it have distinct characters. Southwood and West Torrance are the densest concentrations of postwar ranch homes on small to medium lots. The Hollywood Riviera in the southwest has larger lots and older, more varied architecture close to the bluffs and beach. Old Torrance, near the city center, has a mix of original Craftsman bungalows and later tract development.
Crenshaw Boulevard, Hawthorne Boulevard, and Pacific Coast Highway are the main commercial spines that run through the city. Del Amo Fashion Center near the Torrance-Carson border is one of the larger regional landmarks. Toyota's North American headquarters, which sits on a large campus in the northern part of the city, employs many of the stable professional households we work with regularly.
We also serve homeowners in Redondo Beach, which borders Torrance to the northwest and where coastal salt-air conditions are even more pronounced. Homeowners in Carson, to the northeast, call us regularly for all-season room and sunroom addition work on the large flat lots common in that city.
Call or fill out the contact form and we will follow up within one business day. Knowing your neighborhood and whether you have an existing rear slab helps us prepare for the site visit.
We visit the property, assess the rear yard, existing slab condition, and setback rules for your specific Torrance zone, and provide a written estimate. Cost is addressed at this stage so there are no surprises later.
We prepare plans and submit to the Torrance Community Development Department. The plan check process typically takes 3 to 5 weeks. We handle city questions and revisions so the approval process does not fall on you.
Once the permit is in hand, construction typically runs 4 to 8 weeks. We schedule city inspections, complete all finish work, and do a final walkthrough with you before we close out the project.
We serve all of Torrance with free on-site estimates. Call us or fill out the form and we will follow up within one business day.
(424) 307-8485Torrance is one of the larger cities in the South Bay, with a population of around 147,000 spread across roughly 20 square miles. The city grew rapidly after World War II and most of its neighborhoods reflect that era - low-density residential blocks of one-story ranch homes on slab foundations with modest rear yards. Distinct neighborhoods like Southwood, West Torrance, and Old Torrance each have their own character, while the Hollywood Riviera in the southwest offers larger lots, bluff-top views, and some of the city's oldest homes. Del Amo Fashion Center, one of the largest shopping malls in the country, and Toyota's North American headquarters are two of the most recognized landmarks. More background on the city is available on the Torrance Wikipedia article.
Torrance borders Redondo Beach to the west and northwest, where the beach and marina draw homeowners who want both the convenience of a South Bay city and close proximity to the water. To the north, Torrance connects to Gardena, which has a similar postwar residential profile and where we also work regularly. Homeowners in both cities call us for the same reasons: older homes with original slabs, compact rear yards, and a need for a contractor who understands the South Bay climate and the local permit process.
We serve every Torrance neighborhood - from Southwood to the Hollywood Riviera. Call now or send us a message and we will follow up within one business day.