Windows 4U serves Oakland homeowners across the hills and flatlands — Rockridge, Montclair, Grand Lake, Temescal, Laurel, and beyond. We're a licensed East Bay crew that does every install ourselves, no subcontractors, backed by a 4-year workmanship warranty.
Get a Free Oakland EstimateOakland has some of the best housing stock in the East Bay — craftsman bungalows in Temescal, classic Victorians in Grand Lake, newer construction in the hills. Most of these homes were built when single-pane windows were standard. Today's dual-pane replacements deliver a real difference in street noise, energy efficiency, and comfort. We work across Oakland's neighborhoods and know how to navigate both the older construction and Oakland Building Services permit requirements.
Vinyl, fiberglass, and aluminum windows for Oakland's diverse housing stock. Retrofit and full-frame options, from a single window to a whole-house package. All installed by our own crew on a timeline we commit to upfront.
Learn more →Steel and fiberglass entry doors that boost curb appeal, security, and energy efficiency. Includes proper weatherstripping, hardware, and a clean install that makes an immediate difference.
Learn more →Sliding glass doors and French patio doors for Oakland homes with rear yards and decks. Vinyl, aluminum, and fiberglass systems in 2, 3, and 4-panel configurations with energy-efficient glass options.
Learn more →A lot of window companies in the Oakland area are middlemen — they collect your deposit and hand the job off to a subcontractor. We're not that. Alex and Leon run their own crew on every job, which means consistent quality, direct communication, and real accountability from estimate to final cleanup.
Oakland's older homes often have non-standard opening sizes or wood rot around frames that needs to be addressed before new windows can go in. We handle all of it, and we're upfront about what the job actually involves before you commit.
Also serving neighboring cities: Berkeley, Orinda, Lafayette, Walnut Creek, and the wider East Bay.
"Got quotes from three companies and Windows 4U was the only one where the owner actually came out himself. They replaced the windows in our Montclair home, left the place spotless after every visit, and the quality is exceptional. Not a single issue. These are the guys you want."
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