Cornerstone Openings

Cornerstone Openings is a Window Installer in Dana Point, CA. The company serves homeowners and builders across Orange County and San Diego with premium windows and doors. It operates showrooms in Costa Mesa, Dana Point, and La Jolla. The business holds a 5.00 rating based on customer reviews. Sean founded the company in 2011 after more than 25 years in the window and door industry. The team provides end-to-end service that begins with a consultative design approach. Specialists help clients visualize transformations and select products from leading brands. Once orders are placed, the company manages scheduling, lead times, and delivery. It provides secure, climate-controlled storage until the project is ready. The team coordinates directly with builders or project managers to minimize disruption. The crew performs a full inspection and walk-through upon completion. Customer feedback highlights the team's responsiveness and attention to detail. One client noted that the installation was completed in four days. Another review mentioned that the team relocated exterior lights to improve the fit. A third customer praised the team for treating their home with care. Sarelle is noted for being prompt with information and delivery. The business maintains a 5.00 rating from its customers. This standing reflects the positive experiences shared by clients who have worked with the team on major projects. The company is known for standing behind its promises and products. Cornerstone Openings brings its expertise in window and door installation to Dana Point, delivering results that meet the specific needs of local homeowners and builders.

Located on Pacific Coast Hwy in Dana Point, the business is about 0.1 miles from Golden Lantern Street and Del Prado Avenue, and sits roughly 0.2 miles from the Dana Point Post Office.

BizScoreAI gives the business a Performance score of 96 out of 100, which measures how quickly the website loads to keep visitors on the page and aids in search engine ranking. The company also holds a Discoverability score of 75 out of 100, ensuring AI crawlers can access every page so AI assistants can recommend the business.