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Serving Fullerton, CA and surrounding areas. (657) 354-1477
Custom Fullerton Sunrooms builds enclosed patio rooms, sunroom additions, and patio enclosures for La Mirada homeowners throughout this planned residential city. We work across all of La Mirada - from the streets near Biola University in the north to the neighborhoods along the Los Angeles-Orange County border. Free estimates, with replies within one business day.
La Mirada's 1950s and 1960s ranch homes were built with rear concrete slabs that are structurally sound but have been sitting open to the elements for 60-plus years. Converting that slab into an enclosed patio room is one of the most cost-efficient ways to gain a light-filled interior space in a home where adding square footage through a full structural addition would be far more expensive. The existing slab becomes the floor, the existing patio cover framing can often be integrated into the new roof structure, and the result is a room that feels connected to the backyard while being fully protected from summer heat, insects, and winter rain.
La Mirada homeowners who have owned their homes for 20 or 30 years often have a covered patio in good structural shape but want to close it in for year-round use. A patio enclosure adds glass or screen walls to an existing covered slab, converting an outdoor area into a protected room without the cost and timeline of a permitted room addition. For La Mirada's ranch homes with 6,000 to 8,000 square foot lots, an enclosed patio can double the functional outdoor-to-indoor transition space without reducing the actual yard.
La Mirada has a high rate of owner-occupied homes and long-term residents - people who have lived in their homes for 15 or 20 years and have no intention of moving. For those homeowners, a permitted sunroom addition is an investment in a home they plan to live in, not just a renovation for resale. A properly attached, fully permitted addition increases functional square footage and, because it is built to current code, adds value that a home appraiser can recognize when it is time to refinance or eventually sell.
An all season room is the practical middle ground for La Mirada homeowners who want a room that handles the city's summer heat without the full cost of a four season build. These rooms use thermally broken framing and insulated glass to cut down solar heat gain and reduce the cooling load, while a compact mini-split keeps the room comfortable from June through September. For La Mirada's ranch homes where the rear of the house faces south or west and takes the full afternoon sun, thermal performance in the glass and framing makes a real difference in how usable the room is at 3 pm in August.
Some La Mirada homes have older screen rooms or aluminum patio enclosures that were added in the 1980s or 1990s and are now showing their age - leaking at the roof joints, drafty at the wall panels, or simply built to a standard that no longer meets how the homeowner wants to use the space. Remodeling an existing enclosure is often more cost-effective than tearing it out and starting over, and it can bring an outdated room up to current energy and weathering standards without a full demolition.
While most La Mirada homes are similar in size and footprint, roof pitches, existing hardscape configurations, and rear yard orientations vary enough that a standard kit sunroom sometimes does not fit cleanly against a given home. A custom sunroom is designed around your specific roofline, attachment wall, and lot orientation so the finished room looks like it belongs to the house rather than being attached to it. For long-term La Mirada homeowners who want a room built to their specific use and aesthetic, the design flexibility of a custom build is worth the added planning time.
La Mirada was developed as a planned residential community starting in the late 1950s, and most of its housing stock went up in a concentrated window between 1955 and 1975. That means the city's homes are now 50 to 70 years old - all aging at roughly the same rate. Single-story California ranch homes are the dominant style: low-pitched roofs, stucco exteriors, attached garages, and lots in the 6,000 to 8,000 square foot range. At this age, original roofing underlayment, exterior stucco, and concrete flatwork are all at or past the point where they typically need attention. A sunroom contractor working in La Mirada encounters stucco walls that have developed hairline cracks from decades of heating and cooling, concrete slabs that have shifted from clay soil movement, and older patio cover structures that were not built to current load standards. Knowing what to look for on a 60-year-old ranch home before committing to a scope of work is not optional here - it is what prevents surprises mid-project.
The climate in La Mirada adds further demands. The city sits in the southeast corner of Los Angeles County, away from the coast and without the ocean breeze that moderates temperatures in more western communities. Summer afternoons regularly reach 90 to 95 degrees Fahrenheit, and La Mirada gets over 280 sunny days per year - that sustained UV exposure degrades exterior caulk, stucco sealants, and roofing coatings faster than most homeowners expect. The rainy season runs from November through March, and when El Nino years bring heavy rainfall, older drainage around concrete slabs can back up and cause water intrusion at the base of exterior walls. According to the USGS, expansive clay soils throughout the Los Angeles Basin - including La Mirada - are a documented cause of foundation and concrete slab movement on residential properties. A contractor who builds in this soil type regularly knows to evaluate slab condition before framing, not after.
Our crew works throughout La Mirada regularly, and we understand the local conditions that affect sunroom contractor work here. We pull permits through the City of La Mirada and are familiar with the plan check process for residential additions in this municipality. La Mirada is a compact city - just 7.8 square miles - which means our crew can move efficiently between job sites and respond quickly when homeowners need a site visit scheduled. The residential streets are calm and low-traffic, which makes staging materials and working without disrupting neighbors much more manageable than in denser surrounding cities.
Working in La Mirada means navigating a city that most residents orient around a few key landmarks. The Biola University campus sits on 95 acres in the northern part of the city and is a reference point most homeowners near Rosecrans Avenue or La Mirada Boulevard know well. La Mirada Regional Park - the city's central recreational anchor, with a golf course and the La Mirada Splash! water park - sits roughly in the middle of the city. The La Mirada Theatre for the Performing Arts on La Mirada Drive is another well-known community landmark. Homeowners from across the city - north near Biola, central near the park, or south near the Orange County line - share the same postwar ranch home housing stock and similar project conditions.
We also serve homeowners in neighboring Buena Park and Whittier, both of which have comparable postwar housing conditions to La Mirada. If your project is in La Mirada or in a neighboring city, we can provide a site visit and a written estimate without a high-pressure sales approach.
Call or submit the estimate form with a description of your current patio or backyard space and what you want to do with it. We reply within one business day and schedule a time to visit the property that works with your schedule.
We visit your La Mirada home and evaluate the existing patio slab, the attachment wall condition, roof framing, and drainage around the foundation. This inspection is where we identify clay soil movement in the slab, stucco condition at the attachment wall, and any existing patio cover work that can be incorporated. The written estimate covers all materials, permit fees, and the construction timeline.
We file the permit application and handle the plan check process with the City of La Mirada on your behalf. Once the permit is approved, we schedule construction to start. Most enclosed patio room and patio enclosure projects in La Mirada take two to five weeks on site depending on scope.
City inspectors conduct required inspections at framing and completion. Once the permit is closed, we walk through the finished room with you and confirm everything meets the agreed scope. You receive copies of the closed permit documentation to keep with your home records.
We work with La Mirada homeowners throughout the city and reply within one business day. Get a written estimate with a clear scope and price - no vague ranges or surprise add-ons.
(657) 354-1477La Mirada is a small, planned residential city of about 48,000 people in the southeast corner of Los Angeles County, near the border with Orange County. The city was incorporated in 1960 and was built out almost entirely during the late 1950s and 1960s as part of Southern California's postwar suburban expansion. The dominant housing style is the California ranch - single-story homes with low-pitched roofs, attached garages, stucco exteriors, and concrete driveways and patios. Most lots are between 6,000 and 8,000 square feet. According to U.S. Census data, approximately 60 percent of La Mirada's housing units are owner-occupied - notably high for a city this close to Los Angeles - and median home values are above $600,000. These are households that invest in their homes and tend to stay for many years, which is reflected in the well-kept condition of most La Mirada neighborhoods.
La Mirada is perhaps best known in the region for Biola University, a private university on a 95-acre campus in the northern part of the city that has been part of La Mirada since 1959. La Mirada Regional Park - with its golf course, amphitheater, and La Mirada Splash! water park - is a central gathering point for families across the city. The La Mirada Theatre for the Performing Arts has hosted Broadway touring productions for decades and is a source of real local pride. The city is surrounded by the 5, 91, and 605 freeways but has no freeways running through it, which keeps residential streets noticeably calmer than you would expect given the location. Homeowners in nearby La Habra share similar postwar housing conditions and often have the same questions about enclosing patios on older ranch homes.
Keep bugs out while enjoying fresh air with a screened outdoor room.
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Learn MoreProtect your patio from the elements with a durable cover structure.
Learn MoreLa Mirada homeowners are converting covered patios and open slabs into enclosed rooms throughout the city. Call now or submit an estimate request and we will get back to you within one business day.