South Pasadena has held on to its older homes better than almost anywhere in the region: Craftsman bungalows with deep porches, Spanish revival houses with tile roofs, and period cottages on narrow, tree-shaded lots, many with a detached garage at the back. Adding a sunroom to a house like that is a little different from adding one to a newer tract home, and the differences show up in the price. California Sunroom Price serves South Pasadena and the surrounding areas, including Pasadena, San Marino, Alhambra and Highland Park, and this page walks through what older homes change about a sunroom, patio room, enclosure or cover.
You will not find a flat price here, because the connection to a 1915 bungalow and the connection to a 1950s ranch are not the same job. You will find a plain explanation of the cost drivers and what to expect at your free estimate.
What does an older home change about the project?
Raised floors and the step down
Many older South Pasadena homes sit on raised wood floors, well above the backyard. A new room usually sits lower, on a slab, so the step down from the house and the placement of doors need planning.
Rooflines and eaves
Craftsman homes often have low, deep eaves, and Spanish-style homes may have tile roofs and parapets. How a new roof ties in affects both the look and the scope.
Wood siding, stucco and brick
Older exteriors vary a lot. Sealing a room cleanly against wood siding or old stucco takes care and is part of the site review.
Narrow lots and detached garages
Many lots are narrow and deep, with a garage at the back. The space between house and garage is often the best place for a room.
Old concrete
Rear patios and walks may be decades old. Some slabs can be reused; others may need repair or replacement.
How much does a sunroom cost in South Pasadena? What drives the price
Room type
From lightest to most involved: patio covers and pergolas, screen rooms, patio enclosures, insulated patio rooms, glass sunrooms and solariums.
Size
Narrow lots and setbacks often limit the footprint, which tends to keep rooms compact. A thoughtful layout makes a small room feel generous.
Roof
An insulated roof keeps a room comfortable and gives it a finished ceiling. A glass roof brings in more light but may be less practical under heavy tree cover.
Glass
Low-E and energy-efficient glass options reduce heat and glare, which matters in warm San Gabriel Valley summers. Learn more on our energy efficiency and tests page.
Connection to the house
Attaching to an older home with a raised floor, deep eaves or unusual materials can add planning and scope.
Matching the architecture
Frame colors, trim and window proportions chosen to complement the house help the room look like it belongs. Our customization page shows how many options there are.
South Pasadena neighborhoods and lot types
Streets near Mission Street and the Metro station
The historic business district and surrounding blocks have many period homes on compact lots. Rooms here tend to be small, well-detailed and tucked behind the house.
Around Garfield Park
Neighborhoods near Garfield Park feature classic bungalows and revival-style homes with mature trees. Shade and leaf litter influence roof choice.
Altos de Monterey
The hillside neighborhood on the city’s southwest side has newer homes, sloping lots and views. Rooms are planned around a level patio, and view walls call for good glass.
Homes near the Arroyo Seco
Properties on the western edge near the Arroyo often have more varied terrain and mature landscaping, with room placement guided by slope and trees.
Homes with detached garages and rear units
Many lots have a garage or small rear structure. A compact patio room or enclosure between the buildings can create a courtyard feel.
Sunroom, patio room or enclosure: which fits your South Pasadena home and budget?
Glass sunrooms
A glass sunroom brings light into older homes that can feel dark inside. Styles range from studio and cathedral to solarium and conservatory-style rooms.
Insulated patio rooms
A patio room has a fully insulated roof, can use an existing slab and can match the home’s exterior. It makes a comfortable den, office or family room.
Enclosures and screen rooms
These keep out bugs and leaves while keeping a porch-like feel that suits older homes.
Patio covers and pergolas
A pergola can complement a Craftsman or Spanish-style home while shading the patio, and a cover can be enclosed later.
What do South Pasadena homeowners build most?
The back porch room
Enclosing a back porch or patio creates a sunny room that feels like it has always been part of the house.
The home office
With many residents working from home, a quiet room with good light and a separate entrance is a popular choice.
The family room addition
Older homes often have small living rooms. A patio room off the kitchen adds everyday family space.
The garden room
A glass room for plants and morning coffee, facing the garden.
How the local climate affects what you should buy
Warm summers
South Pasadena runs warm in summer. South- and west-facing rooms need good glass and ideally an insulated roof.
Mature trees
The city’s tree canopy provides welcome shade but drops leaves and debris. Solid roofs stay cleaner under heavy trees.
Mild winters
Winters are mild, and a glass room makes a bright retreat on cool days.
Wind events
Santa Ana winds can bring down branches and debris. Placing the room away from heavy limbs helps. See how rooms are built on our strength page.
Before your estimate: a short checklist for older homes
A few minutes of preparation makes the visit more productive and helps the price come out right the first time.
- Find any old plans or permits. If you have records of past additions or remodels, they help show how the house was built and changed over the years.
- Note which rooms feel dark. The room that needs light the most is often the best place to attach a sunroom.
- Walk the path from the street to the backyard. Narrow side yards and gates affect how materials reach the site.
- Look at the rear doors. An existing back door or French door may become the entry to the new room, which can simplify the layout.
- Think about the trees. Point out any large trees near the likely room location so their shade and leaf drop can be factored in.
- Decide on the main use. An office, a family room and a plant room each call for a different balance of glass and solid roof.
Bring these notes to the visit and the estimator can compare two or three options on the spot.
Do you need a permit or HOA approval?
A room addition may require a building permit through the City of South Pasadena. Some homes may be subject to design or historic review, which can influence style, placement and colors. Most single-family homes are not in associations. We will go over what may apply during the visit.
How the free in-home estimate works
Estimates are free and carry no obligation. Visits are available seven days a week, from 9am to 9pm, and most take roughly 15 to 40 minutes.
- We look at the house, how it sits on the lot, the slab and the connection point.
- We discuss style, size and how you plan to use the room.
- You get estimates, brochures and design layouts to keep.
- You ask every question you have.
If you go ahead, preferred contractors install the room in days, not weeks.
Ways to save on an older-home project
Special financing
Special financing programs are available to spread out the cost.
Current specials
Current specials are running for a limited time, with savings on materials and rooms and free factory room upgrades included.
Savings for older homes
- Reuse sound concrete where possible.
- Keep the connection to the house simple.
- Choose a solid roof under heavy trees.
- Focus detailed matching on the most visible sides.
Warranty
Your room is backed by a transferable lifetime factory warranty that can pass to the next owner if you sell.
Which option fits your South Pasadena home?
- Bring light into a dark older house: a glass sunroom.
- Add a family room or office: an insulated patio room.
- Keep a porch-like feel: an enclosure or screen room.
- Shade that fits the architecture: a pergola.
Get your South Pasadena price
Every older home has its own story. Schedule your free in-home estimate, explore financing options, or compare prices across the region on our Los Angeles County sunroom prices page.