Sunrooms Cost in Altadena, CA in 2026
Most Sunrooms projects in Altadena, CA cost between $27,000 and $105,000. The typical price is $57,000.
Labour and materials in Altadena run about 22% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Three-season versus fully conditioned four-season
- Foundation type — slab, piers or existing deck
- Glazing performance
- Whether HVAC is extended into the space
Usually included
- Foundation and framing
- Glazing and roof panels
- Electrical rough-in and finish
Usually extra
- HVAC extension
- Permits
- Interior finishes beyond basic
Unit prices in Altadena, CA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $135 |
| Mid-range | $285 |
| High-end | $515 |
Sunroom builders in Altadena, CA
Businesses listed on Google near Altadena, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
California Sunrooms
4.7(81 reviews)
3160 Gold Valley Dr #300, Rancho Cordova, CA 95742
Horizon Sunrooms
4.9(40 reviews)
17011 Beach Blvd 9th floor, Huntington Beach, CA 92647
Red Turtle Roofing of Pasadena
5.0(25 reviews)
35 N Lake Ave 7th floor suite 22, Pasadena, CA 91101
Modern Evolution Homebuilders
5.0(13 reviews)
2525 Lake Ave #7, Altadena, CA 91001
Four Seasons Sunrooms
4.5(17 reviews)
765 S State College Blvd Suite I, Fullerton, CA 92831
Torrance Sunrooms
5.0(7 reviews)
21250 Hawthorne Blvd Suite 500, Torrance, CA 90503