Black Rock Stone CompanyMasonry contractor in Germantown, MD
Black Rock Stone Company is a masonry contractor at 17305 Black Rock Rd, Germantown, MD 20874, ranked #21 of 273 masonry contractors in Germantown and rated 4.6 from 11 Google reviews. Open Monday to Saturday.
Germantown, MDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 17305 Black Rock Rd, Germantown, MD 20874Get directions |
|---|---|
| Phone | (301) 540-3127 |
| Website | blackrockstonecompany.com |
| Hours | Monday to Friday: 6 AM – 8 PM; Saturday: 9 AM – 5 PM |
| Google rating | 4.6 from 11 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Masonrymain tradeGoogle main category
Service area
Serves Germantown and 11 towns within 25 miles: Darnestown, North Potomac, Travilah, Gaithersburg, Poolesville, Montgomery Village, Clarksburg, Redland, Rockville, Potomac and Damascus.
Based in Germantown, MDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 6 AM – 8 PMevening |
| Tuesday | 6 AM – 8 PMevening |
| Wednesday | 6 AM – 8 PMevening |
| Thursday | 6 AM – 8 PMevening |
| Friday | 6 AM – 8 PMevening |
| Saturday | 9 AM – 5 PM |
| Sunday | Closed |
- Open evenings (after 6 PM)
- Open Saturdays
- Open Sundays — no
Compare nearby masonry contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Black Rock Stone Company (this business) | — | 80 | 4.6 (11) | — | Yes | No | |
| Aragon Chimney Services | #19 | 80 | 5.0 (35) | — | Yes | No | 6.9 mi |
| S&S Paving LLC | #20 | 80 | 5.0 (22) | — | Yes | Yes | 9.3 mi |
| Actaeon LLC | #22 | 80 | 4.9 (101) | — | Yes | Yes | 21.9 mi |
Questions about Black Rock Stone Company
How is Black Rock Stone Company ranked in Germantown?
Black Rock Stone Company is ranked #21 of 273 masonry contractors in Germantown by CR Score, with 80 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are Black Rock Stone Company’s hours?
Black Rock Stone Company is open Monday to Saturday. Its listed hours are Monday to Friday, 6 AM – 8 PM; Saturday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does Black Rock Stone Company serve?
Serves Germantown and 11 towns within 25 miles: Darnestown, North Potomac, Travilah, Gaithersburg, Poolesville, Montgomery Village, Clarksburg, Redland, Rockville, Potomac and Damascus. The list is based on the business's location and the usual service radius for masonry. Confirm your address is covered when you call.
What do Google reviews say about Black Rock Stone Company?
Black Rock Stone Company has a rating of 4.6 from 11 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 Black Rock Stone Company?
Call Black Rock Stone Company on (301) 540-3127. The business is at 17305 Black Rock Rd, Germantown, MD 20874. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Black Rock Stone Company? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.