Costa Mesa, California

Sunrooms & Patio Rooms in Costa Mesa, CA

From Mesa Verde cul-de-sacs to Eastside ranch houses and Westside mid-century tracts, Premium Sunroom Construction adds sunrooms and patio rooms that give Costa Mesa families the extra living space these post-war homes were never drawn with.

✔ Licensed, Bonded & Insured ✔ 30+ Years of Experience ✔ Free In-Home Quotes
Patio room added to a mid-century ranch home in Costa Mesa, CA
30+ Years Building
Outdoor Living Spaces

YOUR LOCAL SUNROOM CONTRACTOR

A Practical Family Room for Costa Mesa's Mid-Century Homes

Much of Costa Mesa was built out in the 1950s and '60s, when a three-bedroom ranch with a sliding door to the yard was the California dream. Decades later those homes are loved, but the floor plans feel tight for a family with remote work, homework and a dog. A glass room off the back slider is the most direct fix: a playroom, office or second family room that shares light with the house instead of stealing it.

Sitting a few miles back from the sand, Costa Mesa usually runs a little warmer and sunnier than the beach towns next door, so afternoon heat on a west-facing patio is a real design consideration here. We plan glass orientation, roof type and ventilation around your exact yard, then handle the City of Costa Mesa Building Safety Division permit, the site check and the install. Our Buena Park showroom is about half an hour up the 405 if you want to see the rooms first.

  • Licensed, bonded & insured California contractor
  • Room plans sized for post-war ranch and tract lots
  • Authorized Four Seasons, C-Thru & Duralum dealer
  • Every product line we carry is made in California
  • Free in-home design visits, 7 days a week

WHAT WE BUILD

Sunrooms, Patio Rooms & Enclosures for Costa Mesa Homes

Whether you want a finished family room or just shade over the grill with an aluminum patio cover, we build it to fit a busy household.

Four-Season Sunrooms

Insulated, fully glazed rooms that work as a real extension of the house, with CONSERVAGLASS NXT to tame sunny inland afternoons.

Three-Season Patio Rooms

A budget-friendly bonus room on your existing slab, ideal for a kids' play space or a place to fold laundry with the doors open.

Solid-Roof Patio Enclosures

Insulated roof panels and C-Thru wall systems that keep the space cooler than an all-glass roof on a south- or west-facing yard.

Screen Rooms

DuraScreen enclosures for families who want airflow, dinner outside and fewer bugs, without a full glass build.

Aluminum Patio Covers

Duralum Weatherwood solid and lattice covers in woodgrain finishes that never need paint, a good first step toward a future enclosure.

Enclosure Upgrades

Tired aluminum-and-acrylic enclosures from decades past replaced or re-glazed with modern frames, glass and doors.

WHY HOMEOWNERS HIRE US IN COSTA MESA

Built Around How Costa Mesa Families Live

Post-war homes, growing households and a sunnier-than-the-beach climate call for practical rooms, not showpieces.

01

Mid-Century Home Know-How

Low-pitched roofs, older slabs and original sliders are routine for us. We check what's there before we design, so the room ties in cleanly.

02

Sized for Real Life

We plan the room around how you'll use it (desk, sofa, toy bins, dining table) instead of selling the biggest footprint the yard will hold.

03

Costa Mesa Permits Handled

Plans, engineering, submittal to the city's Building Safety Division and every inspection are handled by our team, not left to you.

04

Heat-Smart Glass Choices

Inland sun is stronger than at the pier. CONSERVAGLASS NXT blocks up to 85% of solar heat, and we'll tell you when a solid roof makes more sense.

OUR PROCESS

How a Costa Mesa Room Comes Together

One team from the first measurement to the final inspection card.

1

In-Home Design Visit

A sales designer comes to your Costa Mesa home, measures the patio and talks through how the family will actually use the space.

2

Room & Budget Options

You compare Four Seasons, C-Thru and Duralum options at different price points, with a written, itemized quote.

3

Site Check & City Permits

We confirm the slab and footings, prepare engineering, and take the permit through the City of Costa Mesa.

4

Installation

Factory-trained installers build the room on site in days to a few weeks; start to finish, most projects wrap within a few months.

5

Final Sign-Off & Warranty

Final city inspection, a walkthrough with you, and a transferable lifetime manufacturer warranty registered to your home.

Need More Room in Your Costa Mesa Home?

Schedule a free in-home consultation. We'll measure, show you options at a few price points, and put it all in writing.

COSTA MESA SUNROOM FAQs

Questions Costa Mesa Homeowners Ask Us

As a general guide, three-season patio rooms built on a sound existing slab often start around $15,000-$25,000, while insulated four-season sunrooms typically land in the $30,000-$70,000+ range. Size, glass package, roof style and any slab work move the number. Your free in-home quote is itemized so you can see where every dollar goes.

Usually, yes. Costa Mesa's post-war homes are often good candidates, but older slabs and rooflines need a look first. Our site check confirms whether the existing patio can carry the room or whether new footings are needed, before you commit.

Sunrooms, patio enclosures and most patio covers need a building permit from the City of Costa Mesa. We prepare the plans and engineering, submit them to the Building Safety Division and meet the inspectors on site.

It can if it's designed carelessly. We look at which way the yard faces and suggest the right mix of solid roof, glass and ventilation. CONSERVAGLASS NXT, available in Four Seasons rooms, blocks up to 85% of solar heat.

Those are two of the most common uses we design for. A four-season room can be tied into your home's heating and cooling for year-round comfort, and we plan outlets and lighting around the layout you want.

A patio room or enclosure is typically built on your existing slab for three-season use. A four-season sunroom is fully insulated and designed to feel like part of the house all year. We'll help you pick based on budget and how you plan to use it.

Not long. Permitting takes up most of the few-month timeline; the on-site install of a pre-engineered room typically runs days to a few weeks.

Yes. Ask your sales designer about financing during the free in-home quote and they'll go over the options alongside your pricing.

OUR QUOTE PROCESS

Schedule

Fill out a quick form or call to schedule your no-obligation quote.

Measure

One of our certified estimators will visit to measure for your project.

Quote

You'll have all the info and pricing to make an educated decision.

or call 951-634-7776

FREE ESTIMATE

Get Your Sunroom Quote

We'll respond within an hour

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Prefer to talk? Call 951-634-7776

WHAT OUR CLIENTS SAY

Hear From Our Happy Customers

Real Stories, Real Transformations

★★★★★

"Premium Sunroom Constructions transformed our backyard with a stunning sunroom. The team was professional, efficient, and the quality of work exceeded our expectations."

— Jessica Riez

★★★★★

"We couldn't be happier with our new patio cover! It provides the perfect shade for our outdoor gatherings, and it looks beautiful with our home."

— Michael Trent

★★★★★

"Our new screen room has become our favorite part of the house. It's bug-free, breezy, and the quality is exceptional."

— Laura Kimberly

★★★★★

"From the first consultation to the final installation, Premium Sunroom Constructions delivered exceptional service. Our sunroom not only adds value to our home but also brings so much joy to our family."

— David Highburn

★★★★★

"The patio cover and screen room we had installed are both top-notch. The team listened to our needs, provided great suggestions, and delivered a beautiful result."

— Samantha P

Add a Sunroom or Patio Room to Your Costa Mesa Home

Extra space for a growing family, glass chosen for inland sun, permits handled start to finish, and free in-home quotes any day of the week.