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Find Deck, fence, patio or porch clean and sealers in Lake Oswego

Avatar for All Surface Cleaning Company
All Surface Cleaning Company
4.7(
1,019
)

Serving Lake Oswego, OR and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"Very well. Alberto & Rigo arrived a day after I scheduled the work to be done. They blew & scraped moss off my roof tiles, blew out the gutters & cleaned my skylights. While Alberto applied the Tile Guard treatment, Rigo sprayed the windows, siding and deck to remove any treatment from them. They power washed the patio, cleaning off debris & spray cleaning the siding as they went along. All the blown moss was cleaned up. The roof and patio look great! They worked hard and did a great job! Alberto also alerted me that a number of tiles were broken or cracked and needed replacement, which I have also scheduled with them. My only disappointment was that there was still moss that had grown on Gutterflow barrier in the gutters since the last cleaning that could not be blown off. I have scheduled the Gutterflow to be removed, cleaned & re-installed."
Leaving a completed jobsite
Job in process
From the top down
The old roof
The new roof!

+24

Response time1 day
Response rate100%
Recommended by89%of homeowners
Avatar for UpRight Exterior Services
UpRight Exterior Services
4.8(
68
)

Serving Lake Oswego, OR and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"The workers were fast, courteous, informative, and did a pretty good job in cleaning our roof moss away. It would have been nice if they had also hauled off the pile of roof cleanings. They did gather it all into a neat pile, but I had to shovel it into our green card for haul-away."
R1 Before
R1 After
R2 Before
R2 After
R3 Before

+60

Response time1 day
3 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for NW SURFACE CLEANER INC
NW SURFACE CLEANER INC
4.5(
154
)

Serving Lake Oswego, OR and surrounding areas

Approved

Super Service Award Winner

In business since 1983

Free estimates

Small jobs welcome

"I had an incredible experience working with Nw Surface Cleaner! They recently washed and stained my wood deck and also cleaned the roof, gutters, and driveway. Everything looks fantastic. From start to finish, they were a pleasure to work with. They showed up right on time, were friendly and professional, and clearly took pride in their work. You can tell they care about quality and customer satisfaction. They were also very personable. The roof, gutters, and driveway were also cleaned thoroughly, and everything was left neat and tidy when they were done. No debris or mess left behind, which I really appreciated. If you’re looking for a company that’s reliable, skilled, and just genuinely great to work with, I highly recommend NW Surface Cleaners. I’ll definitely be calling them again!"
Roof and gutter cleaning before and after!
Pressure washing Tigard
Deck refinish in Portland
Deck replacement Portland
Roof clean, treat & repair Lake Oswego

+95

Recommended by85%of homeowners
Avatar for Loyalty Renovations LLC
Loyalty Renovations LLC
4.5(
36
)

Serving Lake Oswego, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"JNH cleaned and restained my decks on my house. Very prompt response to bid and were able to start quickly. They completely cleaned and restained my decks beautifully. Would recommend!"
Response time1 day
Response rate90%
6 neighbors recently requested a quote
Avatar for Prism Home Improvement LLC
Prism Home Improvement LLC
4.9(
14
)

Serving Lake Oswego, OR and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"This is the second tome we ve worked with Richard and others from Prism. Last fall the repaired/rebuilt a fence for us and designed/installed a gate. They are meticulous in their work - exceeding our expectations in all the work they did."
Flat Top Cedar Fence
Bathroom After
Laundry closet after
Back Porch and Table
Back yard after

+99

Response time9 hrs
Recommended by100%of homeowners
Avatar for Hashtag Contracting
Hashtag Contracting
4.9(
13
)

Serving Lake Oswego, OR and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"From consultation to completion, I was impressed with the results of my deck project. They worked within my budget and completed the job within a week. The overall quality of work and professionalism exceeded my expectations. Top notch all the way! Would highly recommend!"
Interior Retail
Covered Patio
Deck Build
Stair Addition
Interior Demo & Rebuild

+32

Response time8 hrs
Response rate94%
Recommended by92%of homeowners
Avatar for Kaminskiy Care and Repair Handyman Services
Kaminskiy Care and Repair Handyman Services
4.8(
24
)

Serving Lake Oswego, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Emergency services offered

Warranties offered

"The technician who came out to complete the job was extremely professional and very thorough and I really appreciated the young manâ s professionalism. I will use Kaminskiy care and repair again and highly recommend them to anyone else."
Window replacement - before
Window replacement - after
After
Before
Finished look of the repaired corner

+7

Response time9 hrs
Response rate90%
142 neighbors recently requested a quote
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FAQs for deck, fence, patio or porch clean and seal projects in Lake Oswego, OR

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 Lake Oswego, OR 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.