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Design Windows and Doors Inc.Window installer in Ontario, CA

Design Windows and Doors Inc. is a window installer at 504 S Mountain Ave, Ontario, CA 91762, ranked #50 of 587 window installers in Ontario and rated 4.3 from 207 Google reviews. Open Monday to Friday.

Ontario, CAUpdated 0 paid placements in any rankingHow we rank

Call (909) 365-2179Website ↗

Key facts

Key facts about Design Windows and Doors Inc.
Address504 S Mountain Ave, Ontario, CA 91762Get directions
Phone(909) 365-2179
Websitedesignwindowsinc.com
HoursMonday to Friday: 8 AM – 4:30 PM
Google rating4.3 from 207 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Windowsmain tradeGoogle main category

Service area

Serves Ontario and 11 towns within 40 miles: Montclair, Upland, Chino, Claremont, Pomona, Rancho Cucamonga, La Verne, Los Serranos, Chino Hills, Diamond Bar and San Dimas.

Based in Ontario, CAView on map

Opening hours

Opening hours for Design Windows and Doors Inc.
DayHours
Monday8 AM – 4:30 PM
Tuesday8 AM – 4:30 PM
Wednesday8 AM – 4:30 PM
Thursday8 AM – 4:30 PM
Friday8 AM – 4:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical window installation prices

Typical window installation prices
JobLowTypicalHigh
Window replacementPer project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)$3,710$7,930$12,770

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby window installers

Design Windows and Doors Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Design Windows and Doors Inc. (this business)—574.3 (207)—NoNo
Hometime Windows & Doors#48575.0 (116)—NoNo12.9 mi
Fast Glass#49574.5 (126)—YesYes33.3 mi

See all 587 ranked window installers in Ontario

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.3from 207 Google reviews

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Questions about Design Windows and Doors Inc.

How is Design Windows and Doors Inc. ranked in Ontario?

Design Windows and Doors Inc. is ranked #50 of 587 window installers in Ontario by CR Score, with 57 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Design Windows and Doors Inc.’s hours?

Design Windows and Doors Inc. is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 4:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Design Windows and Doors Inc. serve?

Serves Ontario and 11 towns within 40 miles: Montclair, Upland, Chino, Claremont, Pomona, Rancho Cucamonga, La Verne, Los Serranos, Chino Hills, Diamond Bar and San Dimas. The list is based on the business's location and the usual service radius for window installation. Confirm your address is covered when you call.

What do Google reviews say about Design Windows and Doors Inc.?

Design Windows and Doors Inc. has a rating of 4.3 from 207 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Design Windows and Doors Inc.?

Call Design Windows and Doors Inc. on (909) 365-2179. The business is at 504 S Mountain Ave, Ontario, CA 91762. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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