Loading...
Serving Glendora, CA and surrounding areas. (626) 640-8959
Premier Glendora Sunrooms & Patios builds custom sunrooms, patio enclosures, and four-season rooms across Glendora and the San Gabriel Valley. Get a room you actually use - every month of the year.
Premier Glendora Sunrooms & Patios is a licensed sunroom contractor based in Glendora, CA, offering 16 specialized services across 12 cities in the eastern San Gabriel Valley. Whether you want to enclose an existing patio, build a fully insulated four-season room, or convert a deck into a year-round living space, we handle the design, permitting, and construction from start to finish. Every project is built to handle our local climate - Glendora summers are intense, and every room we build is designed for it.
Want to use your backyard all year? A sunroom addition turns unused patio space into a comfortable room you actually live in.
Learn More
Too hot in July, too cold in January? A four-season sunroom stays comfortable year-round with proper insulation and climate control.
Learn More
Looking for more outdoor living without the full construction cost? A three-season room gives you spring, summer, and fall comfort.
Learn More
Open patio sitting empty most of the year? Enclosing it adds a real room without building a full home addition.
Learn More
Have a design idea that does not fit a standard kit? We build custom sunrooms designed around your home and your lifestyle.
Learn More
Ready to start from scratch? We handle the full construction process - from foundation to final inspection.
Learn More
Old sunroom that leaks, drafts, or feels outdated? We remodel existing rooms back into spaces you want to spend time in.
Learn More
Bugs and wind ruining your evenings outside? A screen room keeps the pests out while keeping the breeze in.
Learn More
Already have a covered patio? Converting it to an enclosed sunroom is often faster and more affordable than building new.
Learn More
Deck that you avoid for half the year? Converting it to an enclosed room gives you that square footage back.
Learn More
Want a room that works in every season without compromise? All-season rooms are insulated, climate-controlled, and built to last.
Learn More
Patio that feels like wasted space most of the year? Enclosing it creates a comfortable room that connects your home to the yard.
Learn More
Want maximum natural light in every corner of the room? Solariums feature glass roofing that floods the space with sunlight.
Learn More
No shade on your patio and the sun makes it unusable by 10 a.m.? A patio cover gives you protection without closing off the space.
Learn More
Not sure what style of sunroom fits your home? We help you design a room that looks like it was always meant to be there.
Learn More
Want a low-maintenance sunroom that does not rust, rot, or need painting? Vinyl framing holds up in Southern California's sun.
Learn MoreCall or fill out the form and tell us what you are working with - the size of your patio, whether you have an HOA, and what you want the room for. We respond within 1 business day and schedule a free on-site visit at your convenience. No pressure, no obligation.
We come to your home, measure the space, inspect the existing foundation, and walk through design options with you in person. You get a detailed written estimate - not a ballpark - covering materials, labor, permit fees, and timeline. If you are in an HOA community, we handle the architectural submission for you.
We pull the permits, schedule city inspections, and build your room to code. When construction is complete, we walk through the finished space with you - making sure every door, window, and surface meets your expectations before we consider the job done. You keep all permit documentation.
We carry a current California Contractors State License Board license and full general liability and workers comp insurance on every project. You can verify our license number before signing anything.
We come to your home, measure the space, and give you a written, itemized estimate at no charge. No vague ballparks - you get a real number with a real scope before you decide anything.
We are a local business, not a national franchise. We know Glendora's permit office, its HOA communities, and what it takes to build a sunroom that holds up in the San Gabriel Valley heat - because we live here too.
We pull permits, handle city inspections, and give you copies of all documentation when the job is done. Your sunroom is on the record as safe, legal, and ready for the day you sell your home.
Ready to talk through your project? Call (626) 640-8959 or send us a message.
"They finished our patio enclosure in about three weeks, right on the timeline they gave us. The crew kept the yard clean every day and the inspector signed off on the first visit. We use the room every morning now - even in August."
Robert T., Glendora - Patio enclosures
"We have an HOA and I was worried the approval process would drag on forever. They handled all the paperwork and knew exactly what our association needed. The four-season room has been the best addition to our home since we bought it."
Maria C., San Dimas - Four season sunrooms
"We had an old deck that we barely used because it faced west and got blasted by afternoon sun. They converted it into a screened room with a solid roof. Now it is our favorite spot in the evenings - the whole conversion took less than a month."
David K., Claremont - Deck-to-sunroom conversion
We respond within 1 business day to every inquiry. There is no obligation - the estimate is completely free. After you submit, someone from our office will call you to schedule a free on-site visit so we can see your space and give you a real, written number.
(626) 640-8959Premier Glendora Sunrooms & Patios is based in Glendora, CA and serves homeowners across 12 cities in the eastern San Gabriel Valley, including San Dimas, La Verne, Azusa, and Claremont. We cover all of our service area without travel fees, and in most cases we can schedule a free on-site estimate within the same week you reach out.
If you want year-round comfort in a climate that regularly hits 95 degrees in summer, a four-season room with insulation and climate control is the right choice - a three-season room will be unusable during the hottest months. Glendora gets roughly 280 sunny days per year, so a three-season room still gives you real value in spring, fall, and mild winter months if your budget is the deciding factor.
Yes - any permanent room addition in California requires a building permit, and Glendora enforces this consistently. A permitted sunroom is safe, covered by your homeowner's insurance, and will not cause problems when you sell. According to the City of Glendora Building and Safety Division, plan check review is required before any construction begins.
The San Gabriel Valley experiences some of the worst air quality days in Southern California, particularly during wildfire season in late summer and fall. A fully enclosed, sealed sunroom lets you enjoy natural light and outdoor views even when the air quality index is unhealthy - something a screened porch simply cannot offer. This is a practical, year-round benefit that is specific to living in this part of California.
Often yes - many Glendora homes from the 1960s through the 1990s have existing patio slabs that are in good enough condition to build on, which can reduce your overall cost. However, slabs from that era vary in thickness and condition. A good contractor will assess the slab's condition before committing to using it, rather than assuming it is ready to build on.
Glendora sits in the eastern San Gabriel Valley, where Santa Ana wind events can gust above 50 mph. Materials used on exterior structures in some foothill areas are subject to local fire and wind requirements. A contractor who regularly builds in Glendora will know these rules - contractors from outside the area may not, which can cause problems at inspection.
Yes - significantly. Low-emissivity glass has a nearly invisible coating that reflects a large share of the sun's radiant heat before it enters the room, which is the single most important factor in making a sunroom comfortable during Glendora summers. According to the ENERGY STAR Windows program, the right glazing choice can dramatically reduce solar heat gain compared to standard clear glass.
Premier Glendora Sunrooms & Patios is a licensed and insured sunroom contractor company based in Glendora, CA, serving 12 cities in the eastern San Gabriel Valley since 2015. We are licensed by the California Contractors State License Board, which is the state agency that licenses and regulates construction contractors in California. Over the years we have completed sunroom additions, patio enclosures, and four-season rooms across 16 different service types - every one of them permitted, inspected, and built to last in our local climate. Learn more about our team and approach.
If you already have a concrete patio slab and you want to add livable space without a full structural addition, a sunroom is often the most cost-effective path. You are using a foundation that already exists and adding walls and a roof on top of it.
An unpermitted addition can create problems when you sell your home, complicate your homeowner's insurance, and in some cases require removal at your expense. The California Contractors State License Board requires licensed contractors to pull permits - a contractor who skips them is cutting corners at your risk.
Ask your contractor for the solar heat gain coefficient of the glass they are proposing. In a hot climate like Glendora's, a lower number means more heat is blocked. A contractor who cannot answer this question has not thought carefully enough about your local conditions.
Have more questions about what is right for your home? Call us at (626) 640-8959 or send us a message and we will walk you through your options.
Glendora is a city of about 52,000 residents at the foot of the San Gabriel Mountains in the eastern San Gabriel Valley, about 25 miles east of downtown Los Angeles. The city is known for its strong sense of neighborhood character, tree-lined streets near Glendora Village, and its backdrop of the Angeles National Forest. About 65% of housing units are owner-occupied, and the majority of homes were built between the 1950s and 1980s - a housing stock that often already has a concrete patio slab in the backyard, ready to build on.
The city is home to Citrus College, one of the most recognized institutions in the area, and neighborhoods range from flat, grid-like streets in the southern part of the city to hillside lots in the northern foothills near the mountains. Homes in those foothill areas face different conditions than homes on the flats - steeper terrain, more wind exposure from seasonal Santa Ana events, and in some areas, higher fire risk near the designated fire hazard zones that border the city.
Whether your home is near Glendora's established neighborhoods on the flats or up in the foothills with mountain views, Premier Glendora Sunrooms & Patios serves all of Glendora and the surrounding communities. We know the local permit process, the HOA communities, and what it takes to build a sunroom that works in this climate. Call us to schedule a free on-site estimate.
By appointment only, no walk-ins.
Premier Glendora Sunrooms & Patios
145 S Minnesota Ave
Glendora, CA 91741
Always open, 24/7.
Call Premier Glendora Sunrooms & Patios today for a free, no-obligation estimate on your sunroom project in Glendora and the surrounding San Gabriel Valley.