Diamond Glass Mirrors Aluminium Windows Claim business
Services Offered
- Glass & Mirrors
- Door Sales/Installation
- Windows Installation
- Replacements
- Custom glass installations
Photos & Videos


Reviews
A Quick Look at Customer Sentiment
Diamond Glass, a family-owned business with over 40 years of history, offers competitive pricing and quality workmanship from knowledgeable staff like Jimmy and Mr Chau. However, many customers express frustration with missed appointments, poor communication, and lack of punctuality. While some clients appreciate the fair pricing and craftsmanship, others criticize the unreliable scheduling, unresponsiveness, and occasional rudeness that impact overall satisfaction.
Deep Dive: Detailed Analysis of Customer Reviews
We’ve gathered and analyzed reviews from real customers across the web to give you an in-depth look at their experiences with Diamond Glass Mirrors Aluminium Windows. Here’s what people are saying about their service quality, professionalism, and reliability:
Overall Experience & Satisfaction
Reviews reflect a mixed overall experience. While a few customers appreciate the legacy, quality workmanship, and friendly attitudes of some employees, many express strong dissatisfaction due to repeated scheduling issues, missed appointments, and perceived unprofessional behavior.
Service Quality & Expertise
Customers highlighted the technical expertise of staff like Jimmy and Mr Chau, noting that the work produced—when completed—was of very good quality. This longstanding business is recognized for its hands-on knowledge of glassworks and for delivering quality service, although results can be overshadowed by service delays.
Customer Service & Communication
Many reviews point to poor communication, including unreturned calls, full voicemails, and instances of abrupt or dismissive behavior by the owner and installers. Some clients mentioned a language barrier with Mr Chau, leading to occasional misunderstandings, while others felt that the responses were rushed or even rude.
Value for Money & Pricing Transparency
There is an acknowledgement of competitive and reasonable pricing, with one review famously describing pricing as being calculated "back of a cocktail napkin." Despite the attractive rates and perceived value, dissatisfaction arises when service shortcomings, such as delays or workmanship issues, undercut the overall experience.
Timeliness & Efficiency
A recurrent theme in the reviews is the lack of punctuality and efficiency. Multiple accounts detail missed appointments, lengthy delays, and rescheduled visits due to missing parts, all of which contribute to customer frustration and a feeling of wasted time.
Professionalism & Trustworthiness
Customers frequently questioned the professionalism and reliability of Diamond Glass. Complaints include disorganized scheduling, rudeness, and even instances where an installer denied responsibility for damages. This inconsistent approach has led some to doubt how the business remains successful despite the negative feedback.
Facility, Environment & Ambience
Although there is little commentary on the physical setting, one review mentioned the convenience of the store’s location in the neighborhood and a casual in-store environment. However, this positive note about accessibility does little to offset the service-related issues.
Accessibility & Convenience
The business appears easy to locate, but contacting them poses significant challenges. Numerous reports describe the difficulty of getting through by phone, missed calls, and unreturned messages, which hampers scheduling and follow-up communication.
Problem Resolution & Follow-up
The follow-up process is a notable pain point. Several customers recounted scenarios where problems were not addressed promptly or adequately, with issues like rescheduled appointments and damaged property left unresolved. This has led to increased frustration and reliance on alternative service providers.
Unique Strengths & Areas for Improvement
Strengths include a long history in the industry, affordable pricing, and occasional demonstration of expert workmanship, particularly by individuals like Jimmy and Mr Chau. However, significant areas for improvement lie in strict adherence to appointment times, better communication protocols, timely follow-ups, and a more professional, customer-oriented attitude. Addressing these issues could enhance their reputation and service consistency considerably.
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View Phone Number
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Get Directions Clement Street, San Francisco, California
Working Hours
- Mon 12AM - 12AM
- Tue 12AM - 12AM
- Wed 12AM - 12AM
- Thu 12AM - 12AM
- Fri 12AM - 12AM
- Sat 12AM - 12AM
- Sun 12AM - 12AM Closed
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