Serving the Bay Area Since 2007

Premium Window & Door Replacement
in Alameda County, CA

Cal Coast Window & Door brings premium replacement windowsentry doors, and exterior doors to every city in Alameda County. Locally trusted, factory-trained, and fully licensed.

500+ Five Star Reviews

BBB A+ Accredited

CA License #1136909

Financing Available

Your Trusted Alameda County Window & Door Contractor

From the historic neighborhoods of Berkeley to the suburban homes of Pleasanton and Livermore, Alameda County features a wide variety of architectural styles. Whether you want to block out noise, eliminate drafts, or upgrade curb appeal, Cal Coast Window & Door delivers premium installation with a focus on comfort, performance, and a clean finished look.


We specialize in Replacement WindowsEntry Doors, and Exterior Doors that improve energy efficiency, security, and everyday livability.


Based in Pleasanton and serving the Bay Area since 2013, Cal Coast uses its own fully trained installation teams - no subcontractors - and partners exclusively with top-tier manufacturers. We're fully licensed (CA Contractor License #1136909), BBB A+ accredited, and a proud member of the American Architectural Manufacturers Association. Financing is available through GoGreen and GreenSky.

Installing replacement windows and doors - Alameda County CA

17+

Years in Bay Area

500+

Five Star Reviews

97%

Customer Satisfaction

7

Counties Served

EXPERT SERVICES IN ALAMEDA COUNTY, CA

What We Do

From energy-efficient replacement windows to stunning entry doors and modern indoor-outdoor systems, we offer a complete range of exterior upgrade services for Alameda County homeowners.

Replacement windows  & window installation

Custom window replacement and installation with double- and triple-pane options. Our factory-trained installers use thermally broken frames, insulating gas fills, and low-E glass coatings - delivering up to 40% savings on heating and cooling costs while dramatically reducing outside noise.

Double & triple-pane energy-efficient glass

Up to 40% reduction in energy costs

Casement, sliding, bay, bow & specialty shapes

Up to 70% noise reduction

Entry doors and exterior doors

Fiberglass, steel & custom wood entry doors

Weather-tight installation for long-term sealing

Multi-point locking & tamper-resistant hardware

Custom sizing and design options

Premium fiberglass, steel, and custom wood entry and exterior doors that combine curb appeal with serious security. Our full door range covers every opening - from classic entry doors to expansive indoor-outdoor systems.

Stucco siding and stone siding

Stucco, Stone Siding  Additional Service

Stucco & stone veneer siding

Complements window & door upgrade projects

James Hardie fiber cement

Rounding out our exterior services, we also offer stucco, stone veneer, and James Hardie fiber cement siding. Whether you're refreshing a single wall or re-cladding your entire home, our team brings the same precision and care to every siding project.

PREMIUM BRANDS WE INSTALL

Manufacturer Partners

We partner exclusively with industry-leading manufacturers so every product we install meets the highest standards of quality, energy efficiency, and durability. Each brand is chosen for its fit with Bay Area homes and climates.

WINDOWS


DOOR & GLASS SYSTEMS


SIDINGS


WHERE WE WORK

Cal Coast Window & Door serves every city and community across Alameda County. Whether you're in Oakland, Berkeley, Fremont, or a smaller neighborhood like Sunol or San Lorenzo, we're your local window and door experts.

Complete Alameda County, CA Zip Code Reference

City Zip Codes
Alameda 94501, 94502
Fremont 94536, 94537, 94538, 94539, 94555
Hayward 94540, 94541, 94542, 94543, 94544, 94545
Castro Valley 94546, 94552
Livermore 94550, 94551
Newark 94560
Pleasanton 94566, 94588
Dublin 94568
San Leandro 94577, 94578, 94579
San Lorenzo 94580
Sunol 94586
Union City 94587
Oakland 94601, 94602, 94603, 94605, 94606, 94607, 94609, 94610, 94611, 94612, 94613, 94618, 94619, 94621
Piedmont 94620
Emeryville 94608, 94662
Berkeley 94702, 94703, 94704, 94705, 94707, 94708, 94709, 94710
Albany 94706

We Only Install the Best

READY TO GET STARTED?

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Serving all of Alameda County, CA — no obligation, no pressure. Just honest advice and a detailed quote from a team that Bay Area homeowners have trusted since 2013.