Let's Discuss Your Project
Ready to build your dream home, add on to your existing space, or start a major renovation? We'd love to hear about your vision.
Licensed & InsuredWA #GENCON12345Building Dreams Since 2012
Service Area
Seattle • Bellevue • Kirkland • Redmond • Mercer Island • Medina
Business Hours
Mon - Fri: 8am - 5pm
Consultations by appointment
Why Choose Cornerstone?
- 12+ years building in Seattle
- Licensed, bonded & insured
- Free project consultations
- Transparent pricing & process
- Vetted subcontractor network
Schedule a Consultation
Tell us about your project and we'll get back to you within 24 hours to schedule a consultation.
Serving Greater Seattle & Eastside
Seattle • Bellevue • Kirkland • Redmond • Mercer Island • Medina