Straight answers.

Optic prices by the window. Outside only is $12 per window, inside and outside is $18.50 per window, and screens are $5 each, and tracks are $5 each. Every visit has a $125 minimum. Hard water spots and unusual glass are priced in your written quote. Use the estimator on the Get a price page, then send a photo and you get a written price by text before any work.

Text a photo of your windows to 218.451.6780, or fill in the Get a price form and add up to six photos. Devan looks at them and texts you a written price before any work is scheduled.

No. What Devan quotes is what you pay. If something on site is different from the photos, he tells you before he starts and you decide. Nothing gets added at the door.

Devan Towslee, the owner. He quotes the job and does the job himself.

Yes. Optic cleans inside glass and sills as well as outside glass and frames. Choose inside and outside when you ask for a price.

Yes. Screens are cleaned and put back for $5 each, and tracks are vacuumed and wiped for $5 each. Screens are free on the Quarterly and Monthly plans. Add them in the estimator or mention them in your text.

Yes. Every visit has a $125 minimum, after any plan discount. Most homes are well above it, and it keeps small jobs worth the drive so the schedule stays reliable for everyone.

Yes. Optic cleans storefront doors, display glass and office windows, and can set up a regular route so your glass stays clean on a schedule that works for your business.

Optic Window Co. is based in San Ramon and serves San Ramon, Danville, Dublin, Pleasanton, Alamo and Blackhawk. Nearby but not listed? Text your street to 218.451.6780.

Most East Bay homes do well with a cleaning in spring and again in fall, since dry summers leave dust and the first rains leave spots. Storefronts usually look best with a cleaning every two to four weeks.

Reachable glass is cleaned by hand with a scrubber and squeegee. High outside glass is cleaned from the ground with a water fed pole and purified water, which dries without spots.

For outside work you usually do not need to be home, as long as gates are open and the windows can be reached. For inside work, someone needs to let Devan in. You get a reminder before the visit and a text when he is on the way.

Hard water spots from sprinklers take a different treatment than regular cleaning. Point them out in your photos and they are priced in your written quote, so there are no surprises.

Yes. Texting is the fastest way to reach Optic. Text 218.451.6780 with a photo, your street and what you need.

Optic is new to San Ramon in 2026. Devan started his cleaning company in Minnesota in 2024 and moved about 2,000 miles to build Optic here the right way.

Yes, three. Twice a year takes 10 percent off every visit. Quarterly takes 20 percent off every visit and cleans your screens free. Monthly takes 25 percent off every visit, cleans screens free, and is built for outside glass that always looks fresh, with inside cleaning added at the same discount whenever you want it. Plan members get their price locked for 12 months, first pick of the calendar, and a free touch up if rain spots the outside glass within 7 days. No contract. Skip or cancel anytime by text.

Send a friend or neighbor to Optic. When they book their first cleaning, they get $25 off and you get $25 off your next cleaning. There is no limit, so five referrals means $125 off.

Published cost guides put a standard window at about $7 to $20 to clean, around $15 on average, and screens at $7 to $19 each. Optic is $12 a window outside, $18.50 inside and out, and $5 a screen, and plan members take 10 to 25 percent off every visit. Your written price comes before any work.

Payment details come with your written price, so you know exactly what to expect before the visit.