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Approved Pro
Approved Pro

Cornerstone Hydrowash

4.9(
18
)
Powerwashing, Deck, Fence, Patio or Porch Clean and Seal, Roof Cleaning Service,

About us

Cornerstone Hydrowash is a locally owned and operated company that values honesty and integrity, and stands behind our work. We specialize in exterior power washing and deck cleaning & sealing. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

Business highlights

Emergency services offered
22 years of experience

Services we offer

Deck Clean & Seal , Power Washing

Amenities

Emergency Services

Yes

Free Estimates

Yes

Accepted Payment Methods

  • CreditCard
Reviews
4.918 Reviews
Write a review
Number of StarsImage of DistributionNumber of Ratings
5
94%
4
6%
3
0%
2
0%
1
0%
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Filter reviews by service

Showing 1-18 of 18 reviews
Dr T.
Jun 2025
5.0
Powerwashing
$340
Brian and Joy are wonderful at Cornerstone! We have used them regularly on both of our homes. They are professional and provide excellent service both homes and decks are sparkling clean. Thank you so much Brian and Joy! Kind regards, Toni
Leili Z.
Aug 2022
4.5
Powerwashing
Yes, I recommend this pro
Excellent job! Would recommend!
Chuck W.
Jul 2022
5.0
Powerwashing
Yes, I recommend this pro
$1,200
The house was covered in algae. Not anymore! It looks great.
Sharon K.
Aug 2020
5.0
Powerwashing
Yes, I recommend this pro
The folks were very polite and knowledgeable and did a great job!
Mary Y.
Aug 2020
5.0
Powerwashing
Yes, I recommend this pro
Richard N.
Jul 2020
5.0
Powerwashing
Yes, I recommend this pro
$575
Excellent service
Chuck B.
Jun 2020
5.0
Powerwashing
Yes, I recommend this pro
Very customer oriented, professional and friendly.
Patricia M.
May 2020
5.0
Powerwashing
Yes, I recommend this pro
$110
They did a great job. My patio and siding looked really great.
Patricia B.
May 2020
5.0
Powerwashing
Yes, I recommend this pro
$200
Professional, excellent job, I will be hiring them again!
Robert M.
May 2020
5.0
Powerwashing
Yes, I recommend this pro
Absolutely great to work with!!!
Trudy K.
Apr 2020
5.0
Powerwashing
Yes, I recommend this pro
$275
Excellent job. The deck and front of the house look great. IĆ¢ m so looking forward to spending time on my clean deck this summer. I will not hesitate to call them back. They arrived early and made sure that I was happy with the work before they packed up to leave. Very friendly too.
Kim S.
Apr 2020
5.0
Powerwashing
Yes, I recommend this pro
Excellent job. We were given a reasonable price, and they went above and beyond to ensure our deck looks fantastic. Do not hesitate to hire them.
Taras V.
Apr 2020
5.0
Deck, Fence, Patio or Porch Clean and Seal
Yes, I recommend this pro
$1,100
Excellent work. They not only did an excellent job with cleaning but also painted the railing on my deck at a very reasonable price. Simply put, hire them
Dom H.
Aug 2019
4.0
Powerwashing
Yes, I recommend this pro
It took a while for him to get back to me, overall the house turn out mostly fine. He missed an entire section of my house, but the parts he did clean looks ok. I would recommend being home while the work is being done to avoid the missteps.
Shirley B.
Jul 2019
4.5
Powerwashing
Yes, I recommend this pro
Great work for a fair price. Reliable.
Gus V.
Jun 2019
5.0
Powerwashing
Yes, I recommend this pro
$250
m
George W.
Jun 2019
4.5
Powerwashing
Yes, I recommend this pro
He does a good job. He is punctual and sticks to his quote.
John
May 2019
5.0
Powerwashing
Yes, I recommend this pro
He is very professional and has the best price we could find. He stays until the job is done.

Licensing

Licensed*

Trade License Number

148870

Trade License Locale

MD

Trade License Expiration

04/14/2026

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

Cornerstone Hydrowash is currently rated 4.9 overall out of 5.

Monday: 7:00 AM - 8:00 PM Tuesday: 7:00 AM - 8:00 PM Wednesday: 7:00 AM - 8:00 PM Thursday: 7:00 AM - 8:00 PM Friday: 7:00 AM - 8:00 PM Saturday: 7:00 AM - 8:00 PM Sunday: Closed

Cornerstone Hydrowash accepts the following forms of payment: CreditCard

Yes, Cornerstone Hydrowash offers free project estimates.

No, Cornerstone Hydrowash does not offer eco-friendly accreditations.

No, Cornerstone Hydrowash does not offer a senior discount.

Yes, Cornerstone Hydrowash offers emergency services.

No, Cornerstone Hydrowash does not offer warranties.