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Keystone Masonry and Chimney,Foundtaion WaterproofingConcrete contractor in Waltham, MA

Keystone Masonry and Chimney,Foundtaion Waterproofing is a concrete contractor at 77 Prentice St, Waltham, MA 02451, ranked #1 of 210 concrete contractors in Waltham and rated 4.9 from 54 Google reviews. Open 24 hours a day, 7 days a week.

Waltham, MAUpdated 0 paid placements in any rankingHow we rank

Call (617) 586-3577Website ↗

Key facts

Key facts about Keystone Masonry and Chimney,Foundtaion Waterproofing
Address77 Prentice St, Waltham, MA 02451Get directions
Phone(617) 586-3577
Websitekeystonemasonryandchimney.com
HoursOpen 24 hours, 7 days a week
Google rating4.9 from 54 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Waltham and 11 towns within 25 miles: Weston, Watertown, Newton, Belmont, Lincoln, Lexington, Arlington, Wayland, Wellesley, Needham and Cochituate.

Based in Waltham, MAView on map

Opening hours

Opening hours for Keystone Masonry and Chimney,Foundtaion Waterproofing
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical concrete work prices

Typical concrete work prices
JobLowTypicalHigh
Concrete drivewayPer driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range$2,700$6,400$14,500

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

Compare nearby concrete contractors

Keystone Masonry and Chimney,Foundtaion Waterproofing compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Keystone Masonry and Chimney,Foundtaion Waterproofing (this business)—634.9 (54)—YesYes
A-1 Foundation Crack Repair, Inc.#2624.9 (495)—YesYes17.7 mi
Flexway Masonry and Chimney, Foundtaion Waterproofing#3625.0 (50)—YesYes6.8 mi

See all 210 ranked concrete contractors in Waltham

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.9from 54 Google reviews

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Questions about Keystone Masonry and Chimney,Foundtaion Waterproofing

How is Keystone Masonry and Chimney,Foundtaion Waterproofing ranked in Waltham?

Keystone Masonry and Chimney,Foundtaion Waterproofing is ranked #1 of 210 concrete contractors in Waltham by CR Score, with 63 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 Keystone Masonry and Chimney,Foundtaion Waterproofing’s hours?

Keystone Masonry and Chimney,Foundtaion Waterproofing is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Keystone Masonry and Chimney,Foundtaion Waterproofing serve?

Serves Waltham and 11 towns within 25 miles: Weston, Watertown, Newton, Belmont, Lincoln, Lexington, Arlington, Wayland, Wellesley, Needham and Cochituate. The list is based on the business's location and the usual service radius for concrete work. Confirm your address is covered when you call.

What do Google reviews say about Keystone Masonry and Chimney,Foundtaion Waterproofing?

Keystone Masonry and Chimney,Foundtaion Waterproofing has a rating of 4.9 from 54 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 Keystone Masonry and Chimney,Foundtaion Waterproofing?

Call Keystone Masonry and Chimney,Foundtaion Waterproofing on (617) 586-3577. The business is at 77 Prentice St, Waltham, MA 02451. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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