Union Door is a leading door and window supplier serving San Francisco, CA. Rated 4.9 stars across 131 customer reviews, they offer a wide selection of interior and exterior doors, windows, and related hardware for residential and commercial projects. Contractors and homeowners alike rely on Union Door for quality products and expert guidance. FAQ Q: What types of doors does Union Door carry? A: Union Door carries a broad selection of entry doors, interior doors, sliding doors, and specialty doors to suit residential and commercial needs in San Francisco, CA. Q: Can Union Door help with installation in addition to supply? A: Many door suppliers offer installation services or can recommend trusted installers. Contact Union Door directly to discuss your project needs. Q: Does Union Door work with contractors and builders? A: Yes, Union Door regularly works with contractors, builders, and designers in the San Francisco area, often offering trade pricing and project support.
Operator computes a Business Health Score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Union Door broke down on Apr 9, 2026.
Union Door is tracked nightly in Operator's Drug Store market index for San Francisco, CA.
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Reviews pulled nightly from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
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