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Top-Rated Deck, fence, patio or porch clean and sealers in Crownsville - Updated Nov 2026

Avatar for Endless Construction
Endless Construction
4.7(
42
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

"Endless Construction replaced the floor of our deck and a fence. I had a great experience with them from start to end. They didn't try to upsell me or pressure me into anything. Everybody was polite and respectful of my space. I was amazed at how clean my backward was following the fence installation. The crews were fabulous - while removing the old fence a neighbor asked the crew if she could return with a van to take the old wood. She hadn't returned by the time they left for the day, but they followed up with me the next morning to make sure it had been cleared and returned to pick up what had been left. I would absolutely work with Endless Construction again."
New Rebuilt Deck w/ Black Spindles
Deck Before Demo
New Rebuilt Deck w/ Black Spindles (SIDE VIEW)
Front View of Deck Before Demo
New Rebuilt Deck w/ Black Spindles (STAIR VIEW)

+64

Response time12 hrs
3 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Leonpro Services, LLC
Leonpro Services, LLC
4.3(
436
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Needed to have my deck stained. They provided a reasonable price. They cleaned and sanded deck. I?m glad they educated me on the oil stain. The oil stain, Ready Seal, looks great. The man who stained the deck did an outstanding job. He was very detailed in ensuring the stain was evenly spread. Great Job Leonpro!"
AFTER
pier resurfacing
after
done
vanity

+262

Response time2 days
46 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for J & W Brown Contracting, LLC
J & W Brown Contracting, LLC
4.6(
26
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"The contractor did a great job. He and his crew were respectful and efficient. The only problem that I had was with the bidding process. I accepted his bid of $1,500, but when he arrived, the contract that he wanted me to sign was for $2,000. I did not have a problem with the $2,000 price. That was what I fe;t that job should have been priced from the beginning. My problem was with proces. I like him and wished he had been upfront."
Remod
Remod
Remod
Remod
Remod

+6

114 neighbors recently requested a quote
Recommended by73%of homeowners
Five Star Deck Services
5.0(
6
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Worked with John at Five Star Deck Services on a recent project involving updating my already-in-place deck. From the start, John was thorough in assessing what needed to be done with the deck and was also transparent with pricing. Everybody working on the job was also knowledgeable, capable, timely, and personable. They are an excellent company to work with, and not to mention they do fantastic work. Highly recommend working with Five Star Deck Services if you need a deck or deck repairs."
Response time8 hrs
Response rate100%
Avatar for 7th State Builders, LLC
7th State Builders, LLC
4.1(
94
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"We were looking into redoing our old deck and got a quote which we thought was reasonable for our large deck. Then for another estimate, we called 7th State Builders. They explained that for the same cost, we could get a paver stone patio (which in the long run is far less maintenance). The owner worked with our budget and the gentlemen who laid our pavers were extremely professional and worked within our wishes. They removed the deck and finished the patio in about a week. Awesome job! After a week or so, it had rain for a period of time and we noticed that a small dip in the patio was collecting a puddle. After a call, they came out and fixed the problem. We would definitely recommend this company for a patio."
Deck
Deck
Deck
Deck
Bathroom

+156

Response time2 hrs
Response rate93%
253 neighbors recently requested a quote
Avatar for D&V Remodeling, LLC
D&V Remodeling, LLC
5.0(
15
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"D& V Remodeling did a phenomenal job job of painting the exterior of my home and replacing a cement walkway. The work was swift and professionally executed with meticulous concern to get things perfect! AND it was just perfectly completed! Reasonably priced and expertly finished."
Bathroom
Bathroom
Bathroom
Bathroom
Bathroom

+27

Response time2 days
Response rate87%
5 neighbors recently requested a quote
Apex Remodeling
4.3(
262
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Crownsville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Emergency services offered

"Our fence looks incredible! They came swiftly to do the work, and we still get compliments about how great our fence looks. We liked working with Henry. The first issue arose when the fence exceeded the quote and contract that we signed. We weren’t told this until the very end of the work, which was not great to say the least by an additional 20%. We knew there was some flexibility in the price, but it would’ve been nice to say, by the way, we’ve exceeded the estimated price and expect the final price to be in this range. Lastly, we also had issues with our gate hinges and called them back 3x until it was finally fixed. It was difficult to get them to come back out even though we were under warranty, and we encountered issues with their customer service and communication. We would probably still use them again for another fence but would only communicate with Henry."
Response time1 day
201 neighbors recently requested a quote
Recommended by90%of homeowners
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FAQs for deck, fence, patio or porch clean and seal projects in Crownsville, MD

You should clean your deck before sealing it. Cleaning before refinishing is critical. If you don’t remove dirt and debris, you'll trap moisture in the wood, which prevents the new sealer from working correctly and can lead to costly repairs. Whether you need to sand, power wash, or sandblast depends on your deck's condition.

Sealing and staining your deck are essential maintenance methods that protect and beautify your outdoor space. Stain adds rich color and guards against fading, while sealant fortifies the wood against moisture and weather damage. Wood type, climate, deck age, and the degree of existing damage determine whether your deck benefits from one or both treatments. Using both options extends your deck’s durability and enhances its overall appearance.

Power washing and sealing your deck costs $500 to $1,700. This process combines the removal of stubborn dirt and debris with a protective seal that preserves the wood’s integrity. Effective cleaning eliminates harmful buildup, and a proper seal prevents moisture damage and wood decay, ensuring long-term durability and reducing future repair expenses.

Your deck must be sealed every one to three years to maintain its strength and appearance. Regular sealing is essential to protect the wood against moisture, mold, and harmful UV rays. A consistent sealing schedule prevents rapid deterioration and costly repairs. Inspections should be performed annually to determine if the protective layer remains intact, extending the life of your deck.

Leaving your deck untreated compromises its structural integrity and safety. An unprotected deck rots quickly due to moisture and environmental exposure, which means that neglecting sealing results in rapid decay and expensive replacement costs of $4,125 to $11,650. Sealing your deck is essential for maintaining its durability and protecting your home.

The sealant on your deck dries within a few hours and reaches full cure within 72 hours before regular use. It is essential to wait until the complete curing period to ensure the protective layer fully sets and resists weather and foot traffic. Proper drying guarantees that your deck is fully protected against moisture and environmental damage, ensuring lasting quality.

The Crownsville, MD homeowners’ guide to deck, fence, patio or porch clean and seals

From average costs to expert advice, get all the answers you need to get your job done.