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Serving Brea, CA and surrounding areas. (657) 478-7348
Elite Brea Sunrooms & Patios is a sunroom contractor serving Whittier with patio-to-sunroom conversions, four-season rooms, and custom enclosures for the ranch homes and hillside properties that define this city.
We have served Whittier homeowners since 2020 and respond to every new inquiry within one business day.
Whittier has thousands of postwar ranch homes with underused concrete patios that sit in direct sun for most of the year. A patio-to-sunroom conversion turns that existing slab into a fully enclosed, climate-controlled room - no new foundation required in most cases, and your yard access stays intact during construction.
Whittier summers regularly hit the mid-90s, which means an uninsulated enclosure becomes unusable by June. A four-season room with a mini-split or HVAC connection stays comfortable year-round, letting you get full use out of the space from January through December rather than just the mild months.
Many Whittier homeowners want more square footage without selling in a competitive market. A sunroom addition built off an existing exterior wall adds a real, permitted room to your home's footprint - suited to the single-story ranch layouts common throughout neighborhoods like Uptown-adjacent and Friendly Hills.
Whittier's Santa Ana wind events - which push through every fall and early winter - make open patios difficult to use during the season when temperatures finally drop to a comfortable range. A fully enclosed patio room seals out the wind and dust while keeping the natural light that makes an outdoor space worth having in the first place.
Homeowners in Whittier near Whittier Narrows Recreation Area and other landscaped corridors deal with more bug pressure in warmer months than most people expect in Southern California. A screen room gives you full airflow and the feel of sitting outside while keeping mosquitoes and gnats out through the entire evening.
Whittier gets over 280 sunny days per year, making it one of the better climates in the country for a glass-walled solarium that turns natural light into usable indoor space. Friendly Hills properties with hillside views are especially well suited to a solarium that frames those views through floor-to-ceiling glass year-round.
A large share of Whittier homes were built between the 1940s and 1970s - that postwar boom that filled the San Gabriel Valley with single-story ranches on flat street lots. These homes are solid, but they were not designed with room additions in mind. Electrical panels are often original or lightly updated, wall framing sometimes predates modern insulation standards, and patio slabs were poured thinner than what current code allows for a permitted room. A contractor who works on newer Orange County tract homes regularly will run into surprises on a Whittier job. We do not.
Whittier also sits in a seismically active part of Los Angeles County. The 1987 Whittier Narrows earthquake caused real structural damage across this city, and smaller tremors are a regular background condition. Any room addition here needs to be engineered for that environment - not just framed and wrapped. Combined with Whittier's expansive clay soils, which shift measurably with every wet and dry season, the structural demands on a sunroom foundation here are genuinely different from what a contractor faces in a newer, flatter, more geologically stable suburb.
Our crew works throughout Whittier regularly, and the mix of housing you find here is distinct from most of the cities we serve. Flat-street neighborhoods between Whittier Boulevard and Colima Road have the classic single-story ranch homes from the 1950s and 1960s, while the Friendly Hills area south of Whittier Drive sits on rolling terrain with larger lots and more varied architecture. Those hillside jobs require different site prep - concrete flatwork on sloped lots, drainage planning, and sometimes retaining wall coordination - than a straightforward conversion on a level backyard slab.
Permit work in Whittier runs through the City of Whittier Community Development Department. Plan review timelines run two to four weeks for standard additions, and inspections are scheduled at foundation, framing, and final stages. We have been through this process many times and know what the plan check reviewers look for on older homes with existing slab configurations that predate current code.
We also serve neighboring cities. If you are looking at sunroom options in La Mirada or in La Habra, we cover those areas as well.
Reach out by phone or through the contact form and we respond within one business day. We ask about your patio size, home age, and what you want to use the room for - so the site visit is productive rather than exploratory.
We come to your Whittier home, inspect the existing slab, check the condition of the exterior wall where the room will connect, and review any HOA or permit requirements for your address. You get a written estimate with no obligation - cost anxiety addressed up front, not after you sign.
We submit permit applications to the City of Whittier and schedule work once approvals are in hand. Construction on a standard patio conversion runs three to six weeks. You do not need to be home during work hours, though you need to be available for the scheduled city inspections.
After the city's final inspection clears, we do a walkthrough with you to confirm everything meets the agreed scope. Any punch-list items are handled before we close out the job - we do not consider a project done until you do.
We serve Whittier homeowners from Friendly Hills to the neighborhoods around Uptown. No pressure, no obligation - just a straight answer on what your project will cost.
(657) 478-7348Whittier is a city of about 87,000 people in Los Angeles County, roughly 12 miles southeast of downtown LA. It has its own distinct identity - Uptown Whittier is a walkable historic district with local shops and restaurants, and Whittier College has anchored the east side of the city since 1887. The Whittier Narrows Recreation Area on the northern edge of the city is a green corridor that long-time residents know well. Most of the housing stock is single-family, primarily ranches and traditional designs built in the 1940s through 1960s, with a high rate of owner-occupancy - people tend to stay and invest in their properties here.
The southern end of the city, particularly the Friendly Hills neighborhood, is a different environment entirely - hillside lots, larger custom homes from the 1960s through 1980s, and views that make a well-placed sunroom genuinely worthwhile. We serve both parts of the city and know how different the site conditions are between a flat-lot ranch on a grid street and a sloped Friendly Hills property with a retaining wall and a view. Nearby, we also work regularly in Rowland Heights and Anaheim, where we see similar postwar housing that needs the same kind of thoughtful approach.
Expand your living space with a beautiful, light-filled sunroom addition.
Learn MoreConvert your existing patio into an enclosed, functional sunroom.
Learn MoreEnclose your patio for added privacy, comfort, and usable square footage.
Learn MoreCall us or submit your project details and we will schedule a no-obligation assessment at your home.