
Petaluma Sunrooms & Patios designs and builds custom sunrooms, patio enclosures, and all-season rooms for Petaluma homeowners who want more comfortable space without a full home addition.

Petaluma Sunrooms & Patios is a full-service sunroom contractor in Petaluma, CA, offering 16 distinct services across 12 cities in Sonoma and Marin counties. Whether you want to convert an unused patio, build a climate-controlled four-season room, or enclose a deck you barely use, we have the experience to get it done right. Every project is permitted, inspected, and backed by our written workmanship guarantee.

Want more living space without a full room addition? A sunroom gives your family a bright, comfortable room at a fraction of the cost.
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Cold winter mornings keeping you inside? A four-season room is fully insulated and heated so you can use it every day of the year.
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Enjoy your outdoor space from spring through fall without the bugs, wind, or light rain - at a lower cost than a fully insulated room.
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Turn an unused concrete patio into a real, protected room. A patio enclosure uses your existing slab and adds walls, windows, and a roof.
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Have a specific layout or material in mind? Custom sunrooms are designed from scratch to fit your home, your yard, and your daily routine.
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Building a sunroom from the ground up means getting the foundation, framing, and glazing right the first time - we handle every phase.
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Drafty panels, a leaky roof, or dated framing? We renovate existing sunrooms back to a condition you will actually want to use.
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Keep bugs out and breeze in. A screen room is the most affordable way to enjoy your yard comfortably on warm Petaluma evenings.
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Already have a covered patio? We enclose it into a real room with walls and windows - faster and less expensive than starting from scratch.
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An existing deck is a great foundation for a sunroom. We convert wood or composite decks into fully enclosed, weatherproof living spaces.
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Use your sunroom in January or July. All-season rooms are built with the insulation and climate control to stay comfortable year-round.
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Protect your patio from Petaluma's evening fog and wind without losing the open, airy feel of an outdoor space.
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A solarium is a glass-ceiling room that maximizes natural light year-round - ideal for plant lovers and homeowners who want a bright living space.
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A patio cover protects your outdoor furniture and extends the time you can spend outside without fully enclosing the space.
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The design phase is where comfort, looks, and budget come together. We help you plan a room that fits your home and gets used every day.
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Vinyl framing is durable, low-maintenance, and energy-efficient - a popular choice for Petaluma homeowners who want long-term value.
Learn MoreReach out by phone or through the contact form. We will ask a few quick questions - where you want the room, roughly how large you are thinking, and what you plan to use it for. We respond to every inquiry within 1 business day. No sales pressure, just a straightforward conversation to see if we are a good fit.
We come to your home, measure the space, look at your existing foundation or patio, and talk through your options in person. For Petaluma properties we also assess sun orientation and prevailing wind from the Petaluma Gap - both matter when choosing the right glass and framing. You receive a detailed written proposal within a few days of this visit.
Once you approve the estimate and sign a contract, we file the permit application with the City of Petaluma Building Division and handle all the back-and-forth. When permits are approved, construction begins. We close out with a final city inspection and a thorough walkthrough so you know exactly how to use and maintain your new room.
We hold a current California Contractors State License Board (CSLB) license and carry both general liability and workers' compensation insurance on every project. Certificates available on request before work begins.
Every estimate is free, conducted at your property, and delivered as a detailed written proposal - so you can compare it line by line against any other quote you receive. No phone quotes that change after we see the job.
We have been working in Petaluma and Sonoma County since 2018, which means we know the local permit process, the Petaluma Gap wind patterns, and the housing stock in every neighborhood - from the Victorian west side to the newer east side subdivisions.
We do not skip permits - ever. Every sunroom and patio enclosure we build goes through the City of Petaluma review process and passes a final city inspection before handoff. That paper trail protects your investment when you sell.
Ready to get started? Call (707) 221-1480 or send us a message.
"We had a concrete patio that sat unused all winter because of the Petaluma Gap wind. The team built us a fully enclosed three-season room in about three weeks and handled every permit step without us lifting a finger. We use it every single morning now."
Sandra M., Petaluma - Patio enclosures
"Our home is an older Craftsman on the west side, and we were worried about attaching anything to the original framing. They did a thorough structural assessment before the estimate and built a four-season room that feels like it was always part of the house. The quality of the glass and framing is noticeably better than what a prior contractor had proposed."
David R., Rohnert Park - Four season sunrooms
"I converted my deck into a sunroom and was honestly nervous about the whole project. They gave me a written schedule at the start and hit every milestone. The city inspection passed on the first visit. I wish I had done this five years ago."
Karen T., Santa Rosa - Deck-to-sunroom conversion
We respond within 1 business day - no obligation, no sales pressure. After you submit, someone from our office will call to schedule a free on-site estimate at your home. There is nothing to prepare beforehand.
(707) 221-1480Petaluma Sunrooms & Patios is based in Petaluma, CA and serves 12 communities across Sonoma, Marin, and Napa counties - including Santa Rosa, Rohnert Park, and Novato. We aim to respond to all service area inquiries within 1 business day and can typically schedule a free on-site estimate within the same week.
Yes - any enclosed room addition in Petaluma requires a building permit from the City of Petaluma Building Division. Skipping this step can block your home sale and leave you personally liable if something goes wrong. A good contractor handles the entire permit process on your behalf.
Three-season rooms work well in Petaluma's mild winters for spring-through-fall use at a lower cost. Four-season rooms add insulation and climate control for year-round comfort, even on cold January mornings. The right choice depends on how often you plan to use the space and your budget.
The Petaluma Gap is a natural wind corridor that funnels cool coastal air inland, making Petaluma consistently windier than nearby cities. Sunrooms here need wind-rated glazing and properly sealed frames - otherwise the room will feel drafty on most evenings. A local contractor who knows the Gap will design for it from the start.
A permitted, well-finished sunroom that flows naturally from the main living area adds appraised square footage and appeals to buyers in Petaluma's competitive North Bay market. Unpermitted additions, by contrast, can reduce value or create problems at closing. According to the National Association of Realtors Remodeling Impact Report, outdoor living improvements consistently rank among the projects homeowners feel best about at resale.
Parts of Petaluma and the surrounding hills fall within California state-designated fire hazard severity zones. In these areas, certain framing, roofing, and glazing materials are required by law - not optional. A contractor who does not ask about your property's fire zone designation before designing your sunroom may propose materials that will not pass inspection.
Petaluma sunroom projects typically range from $25,000 for a basic three-season enclosure to $90,000 or more for a large, fully insulated four-season room with premium glass and finished flooring. Labor costs in Sonoma County run above the national average, so local quotes tend to be higher than what you see on national cost estimator sites. Always get at least two written proposals.
Petaluma Sunrooms & Patios is a licensed and insured sunroom contractor based in Petaluma, CA, serving 12 communities across Sonoma, Marin, and Napa counties since 2018. We hold a current contractor license issued by the California Contractors State License Board (CSLB) and carry both general liability and workers' compensation insurance on every project. In the years since 2018, we have completed sunroom additions, patio enclosures, and all-season rooms across all of the property types Petaluma is known for - from Victorian west side homes to newer east side subdivisions. Read more about our story and the team on our About page.
If you live in a mild part of Petaluma and mainly want the space from spring through fall, a three-season room is a practical and cost-effective choice. Add insulation only if you expect to use the room regularly during December through February.
A cracked or thin slab does not mean you cannot build a sunroom - it means the contractor needs to address the foundation first. The American Concrete Institute provides guidance on slab repair standards. A good contractor will assess this during the initial site visit and tell you upfront what foundation work, if any, is needed.
If your property is in or near a state fire hazard severity zone, specific materials are legally required - not just recommended. Ask your contractor to check your property's designation before finalizing any design. This affects both material costs and permit approval.
If you have questions about what your specific property needs, call us at (707) 221-1480 - we are happy to talk through it before you commit to anything.
Petaluma is a city of about 62,000 people in Sonoma County, split by the Petaluma River into a historic west side and a newer east side. The west side is home to Victorian and Craftsman bungalows dating back to the early 1900s - many of them on streets near the city's downtown historic district, which features some of California's best-preserved Victorian commercial buildings along Kentucky Street. The east side saw heavy development from the 1980s onward, producing the subdivisions and stucco-clad homes that make up neighborhoods like Corona Ranch and East Washington Place.
The Petaluma River waterfront has been revitalized in recent years with restaurants, a marina, and walking paths that locals use regularly - making the areas near the river particularly desirable for homeowners who want to extend their living space outdoors. Families throughout the city gather near Lucchesi Park, one of Petaluma's largest community parks, and many of the surrounding homes have yards and patios that homeowners want to use more of the year. Petaluma's owner-occupancy rate is high, and most homeowners here have a long-term interest in improving and protecting their property values.
From the Victorian neighborhoods off B Street to the newer streets near East Washington, we have worked on Petaluma homes of every age - and we know what each one typically needs before a sunroom can be attached safely. If you are in Petaluma or any of the surrounding communities, we are your local sunroom contractor.
By appointment only, no walk-ins.
Petaluma Sunrooms & Patios
505 6th St
Petaluma, CA 94952
estimates@petalumasunrooms.com
Always open, 24/7.
Call Petaluma Sunrooms & Patios today for a free on-site estimate - no obligation, and we respond within 1 business day.