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TRUSTED BY PORTOLA VALLEY, CA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon254
    Verified window and door contracting services reviews

Find Window and door contractors in Portola Valley

Avatar for Brothers Home Improvement Inc

Brothers Home Improvement Inc

4.82(
183
)
Approved Pro

Brothers Home Improvement Inc

4.82(
183
)
Approved Pro
Customers say: Super punctual
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
151 local quotes requested

Family Owned and Operated since 1994. Nine Brothers & Sisters Striving For Your Complete Satisfaction! Energy Efficient, Replacement Windows and Doors. No Subcontractors! No High-pressure Sales! Ranked Among The Top Nationwide by Qualified Remodelers! AAMA Certified and Members of the Better Business Bureau. Quality Craftsmanship. Lifetime Warranties. Save $75 per window & $150 per door. Financing Available.

"They are great communicators, on time, explain everything, clean, polite and respectful. I am so impressed and quite glad to work with a company you represent."

Pastor G on October 2023

Family Owned and Operated since 1994. Nine Brothers & Sisters Striving For Your Complete Satisfaction! Energy Efficient, Replacement Windows and Doors. No Subcontractors! No High-pressure Sales! Ranked Among The Top Nationwide by Qualified Remodelers! AAMA Certified and Members of the Better Business Bureau. Quality Craftsmanship. Lifetime Warranties. Save $75 per window & $150 per door. Financing Available.

"They are great communicators, on time, explain everything, clean, polite and respectful. I am so impressed and quite glad to work with a company you represent."

Pastor G on October 2023


"Project was delayed multiple times. Stated they will give a discount, they never did."

Martin L on November 2025

Replacement Window Installation, Replacement Patio Door Installation, Replacement Entry Door Installation

"Project was delayed multiple times. Stated they will give a discount, they never did."

Martin L on November 2025


Joinery Structures

New on AngiNew on Angi
Approved Pro

Joinery Structures

New on AngiNew on Angi
Approved Pro
10 years of experience
Free onsite estimate

We design, mill, and build beautiful solid wood structures—from furniture to timber frame homes. Joinery Structures is a fully equipped Design & Build firm, with the unique in-house ability to design, source, mill, fabricate, and install your next project. We operate out of our 9000 sq ft warehouse, centrally located in West Oakland and serving the entire Bay Area. We pride ourselves on a flexible and collaborative design process in which we bring to bear our intimate understanding of solid wood as a building material.

We design, mill, and build beautiful solid wood structures—from furniture to timber frame homes. Joinery Structures is a fully equipped Design & Build firm, with the unique in-house ability to design, source, mill, fabricate, and install your next project. We operate out of our 9000 sq ft warehouse, centrally located in West Oakland and serving the entire Bay Area. We pride ourselves on a flexible and collaborative design process in which we bring to bear our intimate understanding of solid wood as a building material.


Avatar for Roxy Glass, Inc.

Roxy Glass, Inc.

4.43(
118
)
Approved Pro

Roxy Glass, Inc.

4.43(
118
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
24 local quotes requested

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"From the very beginning, they were able to come out and determine what needed to get done. The estimator was friendly and efficient and knowledgeable. When I discussed the project with Junior, who was my coordinator, he was very intelligent, straightforward, and easy to work with. I Believe they did a great job and I would highly recommend using them."

Bryant T on April 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"From the very beginning, they were able to come out and determine what needed to get done. The estimator was friendly and efficient and knowledgeable. When I discussed the project with Junior, who was my coordinator, he was very intelligent, straightforward, and easy to work with. I Believe they did a great job and I would highly recommend using them."

Bryant T on April 2025


Avatar for Gilmore Doors & Hardware

Gilmore Doors & Hardware

4.90(
68
)
Approved Pro

Gilmore Doors & Hardware

4.90(
68
)
Approved Pro
Customers say: True professional
91 local quotes requested
9 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.

"What I thought would be a difficult fix, turned out to be very simple. Anthony knew immediately what the problem was and quickly fixed it. He responded immediately to my Angi’s request. Definitely recommend "

Celeste G on October 2025

We pride our company on reliability, great communication, integrity, and quality work. We believe in giving our absolute best in all of our projects, no matter how big or small. You will find us to be competitively priced, with close attention to the details of each and every project. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business, so please ask us for references.

"What I thought would be a difficult fix, turned out to be very simple. Anthony knew immediately what the problem was and quickly fixed it. He responded immediately to my Angi’s request. Definitely recommend "

Celeste G on October 2025


Avatar for A1 On Track Sliding Door Repair & Installation, Inc.

A1 On Track Sliding Door Repair & Installation, Inc.

4.96(
34
)
Approved Pro

A1 On Track Sliding Door Repair & Installation, Inc.

4.96(
34
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
28 local quotes requested

A1 On Track is your best source for repair of all your sliding doors. We provide cost effective solutions for eliminating your sliding door problems. We have been serving the San Francisco Bay Area with Award Winning Service for over 30 years. We fix and have fixed more sliding doors then anyone. IF WE CAN'T FIX IT......YOU DON'T PAY! Our trained technicians and mobile service makes repairing your sliding doors quick and easy. We have the largest selection of sliding door parts in the entire Bay Area and our extensive mobile hardware inventory of manufacturer’s replacement parts allows us to complete most repairs with only one trip to your home. Appointments are scheduled with a one hour window. Most repairs are completed in just one visit, We come prepared. All of our work is guaranteed. REMEMBER, IF WE CAN'T FIX IT YOU DON'T PAY........

"Our sliding patio door was very hard to open and close. The techs Kevin & Felix from A1 On Track diagnosed the problem and fixed it. Thank you."

Venkat P on May 2025

A1 On Track is your best source for repair of all your sliding doors. We provide cost effective solutions for eliminating your sliding door problems. We have been serving the San Francisco Bay Area with Award Winning Service for over 30 years. We fix and have fixed more sliding doors then anyone. IF WE CAN'T FIX IT......YOU DON'T PAY! Our trained technicians and mobile service makes repairing your sliding doors quick and easy. We have the largest selection of sliding door parts in the entire Bay Area and our extensive mobile hardware inventory of manufacturer’s replacement parts allows us to complete most repairs with only one trip to your home. Appointments are scheduled with a one hour window. Most repairs are completed in just one visit, We come prepared. All of our work is guaranteed. REMEMBER, IF WE CAN'T FIX IT YOU DON'T PAY........

"Our sliding patio door was very hard to open and close. The techs Kevin & Felix from A1 On Track diagnosed the problem and fixed it. Thank you."

Venkat P on May 2025


Avatar for Cal Green Remodeling Inc.

Cal Green Remodeling Inc.

5.00(
33
)
Approved Pro

Cal Green Remodeling Inc.

5.00(
33
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
30 local quotes requested

Home Remodeling and Commercial Renovation. From custom kitchens to concrete floors we do it all and our experienced professionals can help you figure out what products are right for you. We offer industrial grade finishes that can handle excessive traffic, as well as fine finishes for your home.

"After months of planning, we chose Aly to remodel our kitchen and living room and we're so glad we did. From the initial consultation to the final walk-through, the process was seamless. The team was respectful of our home and incredibly friendly. We absolutely love our new space and highly recommend Aly and his team at Cal Green Remodeling."

Albert A on June 2025

Home Remodeling and Commercial Renovation. From custom kitchens to concrete floors we do it all and our experienced professionals can help you figure out what products are right for you. We offer industrial grade finishes that can handle excessive traffic, as well as fine finishes for your home.

"After months of planning, we chose Aly to remodel our kitchen and living room and we're so glad we did. From the initial consultation to the final walk-through, the process was seamless. The team was respectful of our home and incredibly friendly. We absolutely love our new space and highly recommend Aly and his team at Cal Green Remodeling."

Albert A on June 2025


Dempsey Construction

4.78(
62
)
Approved Pro

Dempsey Construction

4.78(
62
)
Approved Pro
Customers say: Quick response
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
25 local quotes requested

With over 20 years of being in business, we pride ourselves on our professionalism and value of our work. We do all construction projects and specialize in all disability accommodation construction. Give us a call whether you own a home, a building or a business and we will take care of your needs.

"He did a great job and I recommend him very highly"

Judy W on May 2025

With over 20 years of being in business, we pride ourselves on our professionalism and value of our work. We do all construction projects and specialize in all disability accommodation construction. Give us a call whether you own a home, a building or a business and we will take care of your needs.

"He did a great job and I recommend him very highly"

Judy W on May 2025


Hennelly Construction

4.72(
44
)
Approved Pro

Hennelly Construction

4.72(
44
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
25 years of experience

Having worked in construction for over 20 years in the Bay area I have been exposed to just about every area of the construction industry. As a result I have been able to acquire the knowledge and skills to become competent in working in all areas of constuction and home repair. I try to give honest and affordable evaluations of each project .I have many local references and also a great list of specialty contractors ,should the project require them. My projects are too long to list here, but include foundation and framing, drywall install and finishing,decks and fences,sewer pipe repair and unclogging, interior and exterior painting and a host of projects that you will not find in a construction manual. I work either by estimates to homeowners or on an hourly basis and will look at any and all projects from installing a shelf to doing an addition to your home. I look forward to hearing from you

"Friendly and funny guy"

Jacob N on December 2020

Having worked in construction for over 20 years in the Bay area I have been exposed to just about every area of the construction industry. As a result I have been able to acquire the knowledge and skills to become competent in working in all areas of constuction and home repair. I try to give honest and affordable evaluations of each project .I have many local references and also a great list of specialty contractors ,should the project require them. My projects are too long to list here, but include foundation and framing, drywall install and finishing,decks and fences,sewer pipe repair and unclogging, interior and exterior painting and a host of projects that you will not find in a construction manual. I work either by estimates to homeowners or on an hourly basis and will look at any and all projects from installing a shelf to doing an addition to your home. I look forward to hearing from you

"Friendly and funny guy"

Jacob N on December 2020


Avatar for JV Home Services - Unlicensed Contractor

JV Home Services - Unlicensed Contractor

4.66(
74
)
Approved Pro

JV Home Services - Unlicensed Contractor

4.66(
74
)
Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
10 local quotes requested

We take great pride in the experience, expertise, quality, and customer service that we provide. It is our mission to provide excellent workmanship and complete customer satisfaction from start to finish of a project. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today! We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!

"over charged "

Deborah G on April 2025

We take great pride in the experience, expertise, quality, and customer service that we provide. It is our mission to provide excellent workmanship and complete customer satisfaction from start to finish of a project. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Call us today! We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We have many years of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details. We look forward to building a lasting relationship and guarantee your satisfaction!

"over charged "

Deborah G on April 2025

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Window Door Contractors questions, answered by experts

Standard door sizes aren’t one-size-fits-all, but there are common go-to dimensions. For exterior doors—like your front door—36 inches wide by 80 inches tall is typical, though you’ll see 30- or 32-inch widths too, especially in older homes. Interior doors vary more. Bedrooms and bathrooms often use 30- to 32-inch widths, and closet doors can be anything from slim singles to wide bi-folds. Height is usually 80 inches across the board; however, always measure your actual opening. “Standard” only works if it matches what’s already in place.

Screen doors tend to feature aluminum frames and mesh screens that allow homeowners to let a breeze in while keeping the home secure from pests. A security door is a heavy-duty structure designed to keep intruders from accessing the home. 

You can’t gauge the lifetime of a fire door like you could, say, an engine. Fire doors should be checked at least once every six months to ensure there are no signs of degradation like leaks, holes, water damage, termite damage, or anything else that might compromise the functionality of the door’s fire resistance. Check your smoke detectors while you’re at it.

A door swells up when there’s a lot of moisture in the air. Wood doors are porous, and the elements can cause them to expand with humidity and contract with dry air. Prevent swelling by coating the door in weather-resistant paint, which creates a barrier to seal out moisture. Otherwise, go with a water-repellent finish after the fact. On the plus side, this problem will go away once the weather changes.

High-tech solutions and strategic placement can help ensure the safety of your pet door. Pet doors can pose security risks, as well as the risk of stray or wild animals entering your home, but modern pet doors offer options like collar-based sensors to ensure doors will only open for your pet, and installing a pet door in an out-of-sight location or in a wall rather than a door can help to avoid intruders using the door to gain access to your home.

The Portola Valley, CA homeowners’ guide to window and door contracting services

From average costs to expert advice, get all the answers you need to get your job done.