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Definis and Sons Window and Door Inc.Window installer in Philadelphia, PA

Definis and Sons Window and Door Inc. is a window installer at 8312 State Rd., Philadelphia, PA 19136, ranked #23 of 586 window installers in Philadelphia and rated 4.8 from 136 Google reviews. Open Tuesday to Saturday.

Philadelphia, PAUpdated 0 paid placements in any rankingHow we rank

Call (215) 624-7118Website ↗

Key facts

Key facts about Definis and Sons Window and Door Inc.
Address8312 State Rd., Philadelphia, PA 19136Get directions
Phone(215) 624-7118
Websitedefinis.com
HoursTuesday to Saturday: 10 AM – 3 PM
Google rating4.8 from 136 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Windowsmain tradeGoogle main category

Service area

Serves Philadelphia and 11 towns within 40 miles: Tacony, Croydon, Glenside, Willow Grove, Center City, Wyndmoor, Bristol, Pennsport, Oreland, Wharton and Hatboro.

Based in Philadelphia, PAView on map

Opening hours

Opening hours for Definis and Sons Window and Door Inc.
DayHours
MondayClosed
Tuesday10 AM – 3 PM
Wednesday10 AM – 3 PM
Thursday10 AM – 3 PM
Friday10 AM – 3 PM
Saturday10 AM – 3 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • 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 × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)$3,730$7,980$12,860

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

Compare nearby window installers

Definis and Sons Window and Door Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Definis and Sons Window and Door Inc. (this business)—574.8 (136)—YesNo
American Construction Roofing, Siding and Windows#21575.0 (185)—YesYes9.5 mi
Graboyes Window & Door#22574.8 (577)—YesNo17.5 mi
STK Construction#24575.0 (103)—YesYes20.0 mi

See all 586 ranked window installers in Philadelphia

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.8from 136 Google reviews

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Questions about Definis and Sons Window and Door Inc.

How is Definis and Sons Window and Door Inc. ranked in Philadelphia?

Definis and Sons Window and Door Inc. is ranked #23 of 586 window installers in Philadelphia 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 Definis and Sons Window and Door Inc.’s hours?

Definis and Sons Window and Door Inc. is open Tuesday to Saturday. Its listed hours are Tuesday to Saturday, 10 AM – 3 PM. On Saturdays it is open 10 AM to 3 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Definis and Sons Window and Door Inc. serve?

Serves Philadelphia and 11 towns within 40 miles: Tacony, Croydon, Glenside, Willow Grove, Center City, Wyndmoor, Bristol, Pennsport, Oreland, Wharton and Hatboro. 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 Definis and Sons Window and Door Inc.?

Definis and Sons Window and Door Inc. has a rating of 4.8 from 136 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 Definis and Sons Window and Door Inc.?

Call Definis and Sons Window and Door Inc. on (215) 624-7118. The business is at 8312 State Rd., Philadelphia, PA 19136. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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