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Top-Rated Doors (interior) installers and replacers in Nicasio - Updated Nov 2026

Adam's Glass
5.0(
12
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"Adam was fantastic to work with. I had a sliding glass door that was extremely sticky, and after two other companies were unable to fix it, Adam came out promptly and resolved the issue quickly. I was so impressed that I had him repair two additional sliding doors, a screen door, and a shower door hinge while he was there. His pricing was very fair, he was professional and courteous, and the quality of his work was excellent. I would absolutely recommend Adam to anyone needing sliding door, screen door, or related repairs."
12 neighbors recently requested a quote
Recommended by30%of homeowners
Avatar for Matos Contracting
Matos Contracting
5.0(
17
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

Matos Contracting, Inc. provides professional construction, remodeling, repair, and maintenance services throughout the North Bay. We proudly serve homeowners, property managers, HOAs, and commercial clients with expert craftsmanship and dependable service. From decks and exterior repairs to flooring, tile, drywall, painting, and general contracting, every project is completed with precision, integrity, and attention to detail. Licensed, bonded, and insured, we’re committed to delivering lasting quality and exceptional customer service. \n \nCheck out our Instagram @matos.contracting

Remodeling
Deck #2
Deck #2
Bathroom
Bathroom

+50

Recommended by76%of homeowners
SGB Inc.
5.0(
6
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. \n

Response time2 days
Response rate86%
Recommended by100%of homeowners
Avatar for String Theory Construction
String Theory Construction
5.0(
2
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Our team builds with experience, quality, and care. We enjoy working on challenging projects, from the ground up. Finish your project with our craftsmanship & high attention to detail and design. \n \n

Tiled deck
Tiled deck
Tiled deck
Night-view of the finished product
Below deck composite soffit boards

+13

Response time2 days
1 neighbors recently requested a quote
Recommended by100%of homeowners
RSF Construction Inc.
1.0(
1
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Eco Star Remodeling & Construction
5.0(
172
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"We worked with Ecostar Remodeling for a full home refresh, and it was the best decision we could have made. The crew was dedicated, respectful, and highly skilled. Every corner of the house now feels brand new. We’ve received so many compliments from guests."
Response time1 day
Response rate95%
Recommended by1%of homeowners
Pacific Drywall
4.7(
38
)
Doors (Interior) - Install or Replace

Serving Nicasio, CA and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"Very well. We had to be entirely out of the house for two nights. But it was understandable because *everything* was covered in plastic. They sent instructions ahead of time. You really need to pack up most things, even thought they say only breakables need to be removed. The electrical and drywall work was well done. They asked a lot of questions about the placement of the new can lights, the switches, etc. We really love the new lights. They even swapped out a nearby old light so that they all looked the same - nice touch! The ceilings look great. The new entrance to the attic was very nicely done. The painting on the ceilings looked great. The folks that did the work really took some pride in their work, and with good reason. The price was fair, and I'd hire them again."
Recommended by100%of homeowners
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Showing 1-10 of 72
FAQs for doors (interior) installation and replacement projects in Nicasio, CA

If your existing frame is in good shape, you can replace an interior door without changing the frame. This is a budget-friendly option because it saves on the cost of removing and installing a new frame. By choosing a slab door that fits your current frame, you'll save on labor and materials. Just make sure the new door matches the old one's dimensions for a smooth replacement.

Standard interior doors are 80 inches tall and range from 28 to 32 inches wide. Interior doors vary from 24 to 36 inches wide, depending on their purpose and the available space. Building codes require interior doors to be at least 80 inches tall and 24 inches wide. Knowing standard sizes helps you select a new door that fits properly in your existing opening.

It costs $600 to $2,000 or more to move an inside door. The total price depends on your location, the type of door, and materials needed to complete the project. Moving an interior door requires walling up the leftover space and opening up a new wall where you want the door to go instead. You’ll also want to plan for the expense of framing the new wall opening and adding trim.

Exterior door installation costs an average of $1,175, with a typical range of $525 to $1,800. The higher expense compared to the cost of interior doors comes from the need for exterior doors to be weather-proofed and they are often made of thicker, more durable materials. The associated exterior hardware must also be able to withstand harsh weather, so these cost more as well.

It costs between $300 to $2,500 to make a doorway wider on average. However, the wider you need the space to be, the more it will cost. Some homeowners choose to widen interior doorways to make the house more wheelchair accessible. In order to be wheelchair accessible, an interior door needs to be at least 32 to 36 inches wide. Also, some older homes just have narrow doorways due to the nature of how homes were built differently many decades ago.

It takes between two to five hours for a professional door installer to install an interior door, depending on complexity and materials. A pre-hung door typically takes around two hours, and larger doors like double French doors can take up to five hours. If you’re doing the project yourself, expect it to take a little longer than that, especially if you have little to no experience completing this type of project. Keep in mind that a pre-hung door can be installed about an hour or two faster than a slab door.

The Nicasio, CA homeowners’ guide to doors (interior) installations and replacements

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