
Hawthorne Sunrooms & Patios builds enclosed patio rooms, custom sunrooms, and screen rooms in Hermosa Beach using materials designed for the salt-air environment - and we respond to every new inquiry within one business day.
Hawthorne Sunrooms & Patios builds enclosed patio rooms, custom sunrooms, and screen rooms in Hermosa Beach using materials designed for the salt-air environment - and we respond to every new inquiry within one business day.

Hermosa Beach backyards are small, but an enclosed patio room makes the most of that space by protecting it from ocean wind and morning marine layer moisture. We use aluminum and vinyl framing rated for coastal environments so the structure holds up without rusting or corroding over time.
The warm evenings in Hermosa Beach are some of the best in Southern California, and a screen room lets you enjoy them without the wind off the water or the coastal insects that move in after dark. We use corrosion-resistant hardware throughout so the screens and frames last in the salt air.
Lots in Hermosa Beach are often 25 to 30 feet wide, which means a custom-designed sunroom is usually the only way to add space without bumping into your property line or your neighbor's wall. We design every project around your specific footprint and city setback requirements.
Hermosa Beach temperatures stay mild enough that a three season sunroom is comfortable from February through November with minimal heating. The natural ventilation design also helps manage the June Gloom moisture that builds up on closed surfaces near the beach.
The persistent ocean breeze in Hermosa Beach makes uncovered patios uncomfortable for a good part of the year, especially in the mornings. A patio enclosure creates a protected space that still feels connected to the outdoors without the wind chill off the water.
Many Hermosa Beach homes have existing concrete slabs that were poured as patios but never used consistently because of the wind and salt air. Converting that slab to a sunroom is often more cost-effective than starting from scratch, since the foundation work is already done.
Hermosa Beach is only 1.4 square miles, which means almost every home in the city sits within a short walk of the ocean. That proximity to salt air is not just a nice feature - it is a maintenance challenge that most homeowners underestimate. Salt air corrodes metal fasteners, degrades paint and sealants faster than inland climates, and works into stucco cracks to cause moisture damage behind the wall. Most homes here were built between the 1940s and 1970s, and a lot of that original exterior material has been quietly degrading for decades. A sunroom built with standard inland materials in Hermosa Beach will show rust stains, swollen frames, and failed sealants within a few years. We specify coastal-rated aluminum, stainless hardware, and UV-resistant glazing on every project here.
The marine layer adds another layer of difficulty. June Gloom keeps surfaces damp for weeks at a time in late spring and early summer, and the moisture from that persistent low cloud cover works into any gaps in roofing, stucco, or window seals. On a narrow Hermosa Beach lot, where your home is close to both neighbors and the street, getting materials in and staging work safely also requires planning that a crew unfamiliar with the area simply does not have. We have worked on homes up and down the city's streets and know what those tight delivery conditions require.
Our crew works throughout Hermosa Beach regularly, and we understand the local conditions that affect sunroom contractor work here. The Hermosa Beach Community Development Department handles all permits for additions and enclosures in the city. We know their review process and their setback requirements for the small lots that make up most of the residential areas here.
The streets closest to The Strand see the heaviest salt-air exposure, and we adjust our material specifications accordingly as we move inland toward Pacific Coast Highway. Pier Avenue is a useful reference point - homes west of it are in the highest-exposure zone, while homes east of it get some relief from the direct ocean influence. We have worked on properties across both zones and understand the difference in how they hold up over time.
We serve the full South Bay coast and work regularly in nearby Manhattan Beach and Redondo Beach. All three cities share similar housing ages and coastal exposure conditions, so if you are in Hermosa Beach, you are already in the middle of our active service area.
Call or fill out the contact form and we will respond within one business day. We ask about your home's age, the space you want to enclose, and any HOA requirements so we come prepared to the site visit.
We visit your Hermosa Beach property, measure the space, and check the existing slab or framing for any coastal weathering that needs to be addressed before we build. You receive a written estimate with itemized costs - no verbal numbers that shift later.
We submit the permit application to the Hermosa Beach Community Development Department and schedule construction once approval comes through. The permit process typically takes two to four weeks and we manage all of it.
Active construction takes two to four weeks. The city inspector signs off on the finished work, and we walk through the completed space with you to make sure everything is right before we close out the project.
We build for the coastal conditions in Hermosa Beach and respond to every inquiry within one business day. No obligation - just an honest conversation about what will work for your home.
(424) 307-8485Hermosa Beach is one of the most densely developed beach cities in Southern California - about 19,000 people packed into just 1.4 square miles along the coast between Manhattan Beach and Redondo Beach. The city was largely built out by the 1970s, so the housing stock is dominated by mid-century stucco homes, with some 1920s and 1930s bungalows still standing on the blocks closest to the water. Lots are narrow - many only 25 to 30 feet wide - and homes are built close to the street and to neighboring properties. The paved beachfront path known as The Strand runs the full length of the city and is the social center of daily life here, used by residents year-round for walking, running, and cycling. Pier Avenue runs from Pacific Coast Highway down to the beach pier and is lined with the restaurants and shops that give the city its well-known character.
About 55 percent of Hermosa Beach's housing units are owner-occupied, which is notable for a beach city where short-term rentals are common. Long-term homeowners here have a strong interest in maintaining their properties, and the combination of high home values and coastal exposure conditions means exterior maintenance is an ongoing priority. Neighboring Redondo Beach sits directly to the south and shares similar housing ages and coastal conditions, and Manhattan Beach is just to the north. We work regularly in all three cities and are equally comfortable on the narrow lots and tight streets of Hermosa Beach as anywhere else in the South Bay.
We build for the salt-air conditions in Hermosa Beach - call today or submit the form and we will be in touch within one business day.