Location & Hours

We try our best at William Collier Design to accommodate our clients needs and will work with you to find a time that fits your schedule.

Contact Information

If you call during business hours and get our voice mail, it just means we are busy. Please leave a message, usually we will respond within the hour!

Phone: 206-441-3242
Fax: 206-956-0987
eMail: info@williamcollierdesign.com
Skype: william.collier41


Bellevue     Mill Creek

Service Areas

Issaquah     Lynwood

Bellevue Location -                             Beginning November 11th, 2020 

Mosaic Salon & Spa's - Ten20 Building
1020 108th Ave NE, STE 200, Space #27
Bellevue, WA 98004

Phone: For questions or to schedule an appointment please call our Seattle location at 206-441-3242.

Hours:                                                                                  Tuesday through Friday, 10:00 AM – 6:00 PM
Saturday 9:00 AM – 3:00 PM  

Parking:  Free parking in the Ten20 Garage, which includes handicapped parking.


Seattle - Main Location                           

We have been located in this building since 1993.

2600 3rd Ave STE B
Seattle, WA 98121

Phone: (206) 441-3242

Tuesday through Friday, 10:00 AM – 6:00 PM
Saturday 9:00 AM – 3:00 PM

Parking:  We are located in a 2-story brick building w/ green awnings over the windows. Closest to Vine Street we have free parking behind our building, in tandem parking stalls, #2, 4, 6, & 8. Before your appointment we will go over the parking instructions with you. 


Mill Creek Location

Sola Salons 
13416 Bothell-Everett Hwy #201, STE 28
Mill Creek, WA 98012

Phone: 425-512-9570 (To schedule an appointment for Mill Creek it is best to call our Seattle location at 206-441-3242.) 

Wednesday – Friday 10:00 AM – 6:00 PM
Saturday 10:00 AM – 4:00 PM

Parking:  An open and free parking lot is available for our clients. 


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"...a very special thank you to William and his staff..."

If you would like more information about how we can help, please call us to schedule a complimentary consultation

"I just wanted to express my gratitude to you again for helping me change my life and finally feel “normal” and like a whole person. I am so happy with this hairpiece, and I get compliments. I feel like a normal person for the 1 st time in 28 years. I really can’t thank you enough.

Thank you for being there and doing what you do. I look forward to a continued relationship with you!"

- M.P.