Sunroom Addition in San Jose: Design, Costs & Permit Guide

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Hey there! If you’re thinking about adding more living space to your home that brings in
natural light, you’ve come to the right place. As a sunroom contractor with over 15 years of
experience, we’ve helped hundreds of homeowners create beautiful spaces that blend
indoor comfort with outdoor views. A sunroom adds value to your home while giving you a
peaceful spot to relax year-round, no matter what the weather’s doing outside.

Why Choose a Custom Sunroom Contractor for Your Project

Helpful Resources:

Working with a professional sunroom contractor makes all the difference in your project’s
success. At Quartz Construction, we handle everything from permits to the final inspection.
Unlike DIY kits, custom sunrooms are built to match your home’s exact style and meet local
building codes.

A specialized sunroom contractor knows which materials work best in your climate and
how to properly insulate and seal your space. This expertise means your sunroom will be
comfortable in every season and built to last for decades, not just years. Plus, we can create
a space that perfectly fits your lifestyle needs.

Get a Quote

Sunroom Design & Customization Options

The fun part of working with a sunroom contractor is exploring all your design options!
Every homeowner has different needs, which is why we offer so many choices. Some
popular sunroom styles include:

We can customize your windows, flooring, ceiling height, and even add features like ceiling fans or built-in shelving. Many clients also choose energy-efficient glass options that keep the room comfortable without raising your utility bills too much.

How to Choose the Best Sunroom Contractor Near You

Finding the right sunroom contractor shouldn’t be stressful. First, look for a company with
plenty of sunroom-specific experience, not just general construction. Ask to see a portfolio
of completed projects similar to what you want.

Check reviews and ask for references from past clients. A good sunroom contractor will be
happy to connect you with happy homeowners. Also, make sure they handle all the permits
and know local building codes. And finally, get a detailed quote that breaks down all costs so
there are no surprises later on.

Mountain View

San Jose

Santa Clara

Alameda

San Ramon

Campbell

Newark

Castro valley

Livermore

Orinda

Concord

Redwood City

Los Gatos

Foster City

Sunnyvale

Saratoga

Danville

Cupertino

Blackhawk

Clayton

Lafayette

Homeowner Testimonials from Our Sunrooms

Our clients love their new sunrooms! The Johnson family tells us they use their sunroom every morning for coffee and reading. The Millers host family gatherings in theirs year-round.

Another client, Mrs. Wilson, says her sunroom has become her favorite spot for yoga and meditation. What these stories have in common is how much a sunroom changes daily living. Many homeowners tell us they spend more time at home enjoying their space rather than going out. That’s the kind of satisfaction that makes us proud of our work as a sunroom contractor.

Transform Your Home to Enjoy the Outdoors Year-Round

A sunroom bridges the gap between inside and outside living. Imagine watching snowfall from your cozy, heated sunroom in winter. Or enjoying summer breezes without bugs in a screened porch.

As your sunroom contractor, we’ll help you create a space that works for your climate and lifestyle. Many of our clients use their sunrooms as home offices, dining areas, or even indoor gardens. The natural light improves mood and can even help lower heating costs in winter by capturing solar warmth.

Get a Free Quote for Your Custom Sunroom Today

Ready to explore adding a sunroom to your home? Let’s talk about your ideas! As an experienced sunroom contractor, we’ll guide you through every step of the process.

The first step is a free, no-pressure consultation where we look at your space and discuss your vision. We’ll help you understand costs, timeline, and options that fit your budget. Contact us today to schedule your free quote and take the first step toward your dream sunroom. Your new favorite room is just a phone call away!

Get a Quote

      
   Quartz Construction
   65 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Perry Finch 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Hila and her team did on our home addition. The new space flows beautifully with the existing structure, and the quality is clear in every finish. Finished on schedule and stress-free.
  
 
      Posted on Google  
   
   Joy Ruther 
 
 
 
 Trustindex verifies that the original source of the review is Google. Working with Ohad on our full home remodel was an incredible experience. He helped us through every decision and made sure everything turned out exactly how we envisioned. The team was easy to communicate with and super detail-focused. We still can’t believe how beautiful our home looks!
  
 
      Posted on Google  
   
   Ajay Mukhopadhyay 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently worked with Quartz Construction (Owner: Ohad) for a construction project to remodel our Bathroom
and we couldn’t be more pleased with the results. From start to finish, their team demonstrated professionalism, and exceptional craftsmanship.

They maintained clear communication throughout the project, kept us informed of progress and any potential changes, and delivered everything on time and within budget. Their quality of work is outstanding — every detail was handled with care and precision.

What stood out most was their commitment to customer satisfaction. They were responsive to our questions, respectful of our space, and ensured that the final outcome matched our vision perfectly.

If you're looking for a reliable, skilled, and trustworthy construction contractor, I wholeheartedly recommend Quartz Construction ( Ohad and his team) .They exceeded our expectations in every way.

Ajay
  
 
      Posted on Google  
   
   debbie curley 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had a fantastic experience working with Quartz Construction And Remodeling. Ohad Maloul the owner was professional communicative and a pleasure to work with from start to finish. His team repaired and painted my backyard pergola and the quality of their work was truly excellent. They were always on time, friendly and responsive to any questions I had throughout the process. I appreciated the clear communication and attention to detail. I’m excited to work with Ohad and his team on future projects and highly recommend them to anyone looking for reliable, high-quality construction or remodeling services.
  
 
      Posted on Google  
   
   Harry Lewis 
 
 
 
 Trustindex verifies that the original source of the review is Google. Hila managed our balcony addition project with care and precision. The design complements our home perfectly, and the build quality is outstanding. She communicated every step and made the whole process easy. We’re thrilled with the result!
  
 
      Posted on Google  
   
   Qi Lei 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had the chance to work with Ohad and his construction team on a recent home project, and I was really impressed. Ohad is professional, easy to communicate with, and genuinely cares about the quality of the work. The crew showed up on time, kept the work area clean, and finished the job on schedule. It’s hard to find contractors who are reliable and transparent these days, but Ohad delivered on everything he promised. Would definitely recommend if you’re looking for someone who takes pride in their work and keeps things straightforward.
  
 
      Posted on Google  
   
   Boris Tyron 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Quartz Construction did on our backyard. Ohad’s team designed and built a gorgeous deck and patio that turned the area into a dream space. The quality and detail are fantastic. Highly recommend!
  
 
      Posted on Google  
   
   Gloria Collin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Quartz Construction built the most beautiful pergola in our backyard, thanks to Ohad. He was easy to work with, listened to our needs, and delivered a structure that’s both stylish and durable. We now have a shaded space where we can relax and entertain guests.
  
 
      Posted on Google  
   
   Dustin Walsh 
 
 
 
 Trustindex verifies that the original source of the review is Google. They built a beautiful, durable pergola that fits our outdoor space perfectly. Hila paid close attention to both style and quality. We now have the perfect spot for lounging, gatherings, and enjoying every season.
  
 
      Posted on Google  
   
   Paul Wilins 
 
 
 
 Trustindex verifies that the original source of the review is Google. We feel incredibly lucky to have worked with Hila. She made the ADU process simple and stress-free, handling everything with care and professionalism. The final space is perfect—efficient, elegant, and exactly what we hoped for. Big thanks to her and the whole crew!
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Common Questions About Sunroom Additions

How much does a custom sunroom typically cost?

The cost of a custom sunroom ranges from $15,000 to $80,000 depending on size, materials,
and features. A basic 200-square-foot sunroom starts around $15,000, while premium four-season rooms with HVAC systems can reach $80,000. We offer financing options and can design a beautiful sunroom that fits most budgets. The investment typically adds significant value to your home.

How long does it take to build a custom sunroom?

Most sunroom projects take between 2-8 weeks from start to finish. The timeline depends on design complexity, permits, weather conditions, and material availability. Simple screen rooms might take just 2 weeks, while fully insulated four-season sunrooms require more time. We provide a detailed schedule during consultation and keep you updated throughout the construction process.

Do sunrooms require a lot of maintenance?

Sunrooms are designed for low maintenance. Modern materials like vinyl, aluminum, and tempered glass need minimal upkeep – just occasional cleaning with soap and water. Screens should be checked yearly for tears. Four-season rooms require standard HVAC maintenance. With proper care, your sunroom will look beautiful for decades with much less maintenance than outdoor decks or patios.

Watch: San Jose Remodeling Projects by Quartz Construction

Watch: Bay Area Remodeling Insights

Expert tips and real project walkthroughs to help you plan your Bay Area home improvement.

See our latest projects, client photos, and Bay Area remodeling tips:

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Get a Free Estimate

Licensed Bay Area contractor — CSLB #1003436 — serving San Jose, Fremont, Oakland, Santa Clara, Sunnyvale and all Bay Area communities.

Call: (650) 749-7436

📚 Additional Resources: California Contractors State License Board (CSLB) • Better Business Bureau

What our clients say on Google

Verified reviews from our Google Business Profile. See all reviews on Google.

      
   Quartz Construction
   65 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Perry Finch 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Hila and her team did on our home addition. The new space flows beautifully with the existing structure, and the quality is clear in every finish. Finished on schedule and stress-free.
  
 
      Posted on Google  
   
   Joy Ruther 
 
 
 
 Trustindex verifies that the original source of the review is Google. Working with Ohad on our full home remodel was an incredible experience. He helped us through every decision and made sure everything turned out exactly how we envisioned. The team was easy to communicate with and super detail-focused. We still can’t believe how beautiful our home looks!
  
 
      Posted on Google  
   
   Ajay Mukhopadhyay 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently worked with Quartz Construction (Owner: Ohad) for a construction project to remodel our Bathroom
and we couldn’t be more pleased with the results. From start to finish, their team demonstrated professionalism, and exceptional craftsmanship.

They maintained clear communication throughout the project, kept us informed of progress and any potential changes, and delivered everything on time and within budget. Their quality of work is outstanding — every detail was handled with care and precision.

What stood out most was their commitment to customer satisfaction. They were responsive to our questions, respectful of our space, and ensured that the final outcome matched our vision perfectly.

If you're looking for a reliable, skilled, and trustworthy construction contractor, I wholeheartedly recommend Quartz Construction ( Ohad and his team) .They exceeded our expectations in every way.

Ajay
  
 
      Posted on Google  
   
   debbie curley 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had a fantastic experience working with Quartz Construction And Remodeling. Ohad Maloul the owner was professional communicative and a pleasure to work with from start to finish. His team repaired and painted my backyard pergola and the quality of their work was truly excellent. They were always on time, friendly and responsive to any questions I had throughout the process. I appreciated the clear communication and attention to detail. I’m excited to work with Ohad and his team on future projects and highly recommend them to anyone looking for reliable, high-quality construction or remodeling services.
  
 
      Posted on Google  
   
   Harry Lewis 
 
 
 
 Trustindex verifies that the original source of the review is Google. Hila managed our balcony addition project with care and precision. The design complements our home perfectly, and the build quality is outstanding. She communicated every step and made the whole process easy. We’re thrilled with the result!
  
 
      Posted on Google  
   
   Qi Lei 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had the chance to work with Ohad and his construction team on a recent home project, and I was really impressed. Ohad is professional, easy to communicate with, and genuinely cares about the quality of the work. The crew showed up on time, kept the work area clean, and finished the job on schedule. It’s hard to find contractors who are reliable and transparent these days, but Ohad delivered on everything he promised. Would definitely recommend if you’re looking for someone who takes pride in their work and keeps things straightforward.
  
 
      Posted on Google  
   
   Boris Tyron 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Quartz Construction did on our backyard. Ohad’s team designed and built a gorgeous deck and patio that turned the area into a dream space. The quality and detail are fantastic. Highly recommend!
  
 
      Posted on Google  
   
   Gloria Collin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Quartz Construction built the most beautiful pergola in our backyard, thanks to Ohad. He was easy to work with, listened to our needs, and delivered a structure that’s both stylish and durable. We now have a shaded space where we can relax and entertain guests.
  
 
      Posted on Google  
   
   Dustin Walsh 
 
 
 
 Trustindex verifies that the original source of the review is Google. They built a beautiful, durable pergola that fits our outdoor space perfectly. Hila paid close attention to both style and quality. We now have the perfect spot for lounging, gatherings, and enjoying every season.
  
 
      Posted on Google  
   
   Paul Wilins 
 
 
 
 Trustindex verifies that the original source of the review is Google. We feel incredibly lucky to have worked with Hila. She made the ADU process simple and stress-free, handling everything with care and professionalism. The final space is perfect—efficient, elegant, and exactly what we hoped for. Big thanks to her and the whole crew!
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Get a Free Estimate from Quartz Construction

Licensed General Contractor • CSLB Lic#1003436 • Serving San Jose, Santa Clara & Bay Area

Google Reviews — What Our Clients Say

      
   Quartz Construction
   65 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Perry Finch 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Hila and her team did on our home addition. The new space flows beautifully with the existing structure, and the quality is clear in every finish. Finished on schedule and stress-free.
  
 
      Posted on Google  
   
   Joy Ruther 
 
 
 
 Trustindex verifies that the original source of the review is Google. Working with Ohad on our full home remodel was an incredible experience. He helped us through every decision and made sure everything turned out exactly how we envisioned. The team was easy to communicate with and super detail-focused. We still can’t believe how beautiful our home looks!
  
 
      Posted on Google  
   
   Ajay Mukhopadhyay 
 
 
 
 Trustindex verifies that the original source of the review is Google. We recently worked with Quartz Construction (Owner: Ohad) for a construction project to remodel our Bathroom
and we couldn’t be more pleased with the results. From start to finish, their team demonstrated professionalism, and exceptional craftsmanship.

They maintained clear communication throughout the project, kept us informed of progress and any potential changes, and delivered everything on time and within budget. Their quality of work is outstanding — every detail was handled with care and precision.

What stood out most was their commitment to customer satisfaction. They were responsive to our questions, respectful of our space, and ensured that the final outcome matched our vision perfectly.

If you're looking for a reliable, skilled, and trustworthy construction contractor, I wholeheartedly recommend Quartz Construction ( Ohad and his team) .They exceeded our expectations in every way.

Ajay
  
 
      Posted on Google  
   
   debbie curley 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had a fantastic experience working with Quartz Construction And Remodeling. Ohad Maloul the owner was professional communicative and a pleasure to work with from start to finish. His team repaired and painted my backyard pergola and the quality of their work was truly excellent. They were always on time, friendly and responsive to any questions I had throughout the process. I appreciated the clear communication and attention to detail. I’m excited to work with Ohad and his team on future projects and highly recommend them to anyone looking for reliable, high-quality construction or remodeling services.
  
 
      Posted on Google  
   
   Harry Lewis 
 
 
 
 Trustindex verifies that the original source of the review is Google. Hila managed our balcony addition project with care and precision. The design complements our home perfectly, and the build quality is outstanding. She communicated every step and made the whole process easy. We’re thrilled with the result!
  
 
      Posted on Google  
   
   Qi Lei 
 
 
 
 Trustindex verifies that the original source of the review is Google. I had the chance to work with Ohad and his construction team on a recent home project, and I was really impressed. Ohad is professional, easy to communicate with, and genuinely cares about the quality of the work. The crew showed up on time, kept the work area clean, and finished the job on schedule. It’s hard to find contractors who are reliable and transparent these days, but Ohad delivered on everything he promised. Would definitely recommend if you’re looking for someone who takes pride in their work and keeps things straightforward.
  
 
      Posted on Google  
   
   Boris Tyron 
 
 
 
 Trustindex verifies that the original source of the review is Google. We’re so happy with the work Quartz Construction did on our backyard. Ohad’s team designed and built a gorgeous deck and patio that turned the area into a dream space. The quality and detail are fantastic. Highly recommend!
  
 
      Posted on Google  
   
   Gloria Collin 
 
 
 
 Trustindex verifies that the original source of the review is Google. Quartz Construction built the most beautiful pergola in our backyard, thanks to Ohad. He was easy to work with, listened to our needs, and delivered a structure that’s both stylish and durable. We now have a shaded space where we can relax and entertain guests.
  
 
      Posted on Google  
   
   Dustin Walsh 
 
 
 
 Trustindex verifies that the original source of the review is Google. They built a beautiful, durable pergola that fits our outdoor space perfectly. Hila paid close attention to both style and quality. We now have the perfect spot for lounging, gatherings, and enjoying every season.
  
 
      Posted on Google  
   
   Paul Wilins 
 
 
 
 Trustindex verifies that the original source of the review is Google. We feel incredibly lucky to have worked with Hila. She made the ADU process simple and stress-free, handling everything with care and professionalism. The final space is perfect—efficient, elegant, and exactly what we hoped for. Big thanks to her and the whole crew!
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Get Your Free Estimate

Quartz Construction & Remodeling | CSLB #1003436 | Licensed, Bonded & Insured

Phone: (650) 749-7436

Address: 1777 Hamilton Ave #1080, San Jose, CA 95125

Hours: Mon–Sat 7am–7pm | Free Estimates

Service Area: San Jose, Santa Clara, Sunnyvale, Mountain View, Los Gatos & Bay Area

Sunroom Addition in San Jose: Design, Costs & Permit Guide

Categories

Recent posts

Why Choose a Custom Sunroom Contractor for Your Project

Sunroom Design & Customization Options

How to Choose the Best Sunroom Contractor Near You

Homeowner Testimonials from Our Sunrooms

Transform Your Home to Enjoy the Outdoors Year-Round

Get a Free Quote for Your Custom Sunroom Today

Common Questions About Sunroom Additions

How much does a custom sunroom typically cost?

How long does it take to build a custom sunroom?

Do sunrooms require a lot of maintenance?

Watch: San Jose Remodeling Projects by Quartz Construction

Watch: Bay Area Remodeling Insights

Follow Us

Get a Free Estimate

What our clients say on Google

Get a Free Estimate from Quartz Construction

Google Reviews — What Our Clients Say

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Our Work — Sunroom Addition in San Jose: Design, Costs & Permit Guide

Watch Our Remodeling Work

Sunroom Addition in San Jose: Design, Costs & Permit Guide

Categories

Recent posts

Tags

Why Choose a Custom Sunroom Contractor for Your Project

Sunroom Design & Customization Options

How to Choose the Best Sunroom Contractor Near You

Homeowner Testimonials from Our Sunrooms

Transform Your Home to Enjoy the Outdoors Year-Round

Get a Free Quote for Your Custom Sunroom Today

Common Questions About Sunroom Additions

How much does a custom sunroom typically cost?

How long does it take to build a custom sunroom?

Do sunrooms require a lot of maintenance?

Watch: San Jose Remodeling Projects by Quartz Construction

Watch: Bay Area Remodeling Insights

Follow Us

Get a Free Estimate

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What our clients say on Google

Get a Free Estimate from Quartz Construction

Related Services by Quartz Construction & Remodeling

Google Reviews — What Our Clients Say

Follow Quartz Construction & Remodeling

Get Your Free Estimate

Location

Follow us

Our Work — Sunroom Addition in San Jose: Design, Costs &#038; Permit Guide

Watch Our Remodeling Work

Our Work — Sunroom Addition in San Jose: Design, Costs & Permit Guide