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Seasons

The best time of year to pressure wash a house in North Carolina

There is a right season for every surface on the property, and a couple of weeks a year when the weather makes the work worse. A month by month plan for a Piedmont property.

♀ Woman-Owned★ 4.9 · 213 reviewsLicensed & InsuredSince 2010
Seasons 6 min read

The short version

  • Siding is best in late spring after pollen ends, or in fall after the leaves are down.
  • Roofs and concrete can be done nearly year round here, weather permitting.
  • Sealing needs dry weather and mild nights, which makes fall the most reliable window.
  • Winter is the quietest season and the work is the same, so it is the easiest time to get the date you want.

The short version

JobBest windowWhy
House washingLate April to May, or OctoberAfter the pine pollen drop, or after the leaves are down
Roof washingAlmost any monthNeeds a mild, still, dry day more than a particular season
Concrete cleaningYear roundDries fast in summer, works fine in winter above freezing
Concrete sealingLate spring or fallNeeds dry days and nights above about 50 degrees
Deck and fenceSpring or fallToo hot flashes the cleaner, too cold slows the dry time before staining
GuttersLate May, and again in DecemberAfter pollen and straw, then after the hardwoods finish dropping
WindowsLate spring, then fallSame logic as siding, and glass shows a new film fastest

Spring

Everyone calls in April, and April is usually the wrong month. Pine pollen is still falling, so anything washed at peak drop looks unwashed within days. Rinse to get through it, book the real work for the end of the season, and read the pollen timing guide if you want the week by week version.

Late April into May is the best siding window of the year in the Triangle and Johnston County. Long dry stretches, warm enough to dry fast, and the pollen is finished. It is also when the calendar fills, so early callers get the dates.

Summer

Summer works, with one caveat. Heat flashes cleaner off a surface before it has time to work, especially on a wall in direct sun. The way around it is scheduling: shaded elevations in the afternoon, sunny sides early, and nobody starts a south wall at two o'clock in July.

It is the best season for concrete, which dries in an hour, and the most necessary season for restaurant pads and dumpster areas, where heat turns a manageable mess into a health issue in about a week.

Fall

The most underrated season here. Humidity drops, the light is good, and a wash in October removes the algae that grew all summer before it spends the winter holding moisture against your siding.

Fall is also the reliable window for sealing, which needs consecutive dry days and nights that stay above about 50 degrees. Trying to seal in November means watching the forecast and often rescheduling.

Wait until the hardwoods are actually bare before doing the last gutter clean. Clearing them in early November and then getting three more weeks of oak leaves is how people end up paying twice.

Winter

Winter surprises people. Johnston and Wake County rarely stay below freezing through the day, and above freezing this work is entirely normal. What we watch is the overnight low, because water left on a walkway that drops to 28 degrees is an ice hazard, so freezing nights mean morning starts and pushed schedules.

The upside is real. It is our quietest season, so you get the date you want, and a house washed in January is clean for the entire spring selling season. If you are listing a property in Clayton or anywhere in the county in March, wash it in February.

What actually stops a job

  • Rain during the work, though rain a few hours later is fine and does not undo anything
  • Sustained wind, which is a genuine problem for roof and second story work
  • Overnight lows below freezing, mostly for concrete and anything that leaves standing water
  • Fresh paint or new stain, which needs 30 days before it gets washed
  • Concrete poured in the last month, for sealing only. Cleaning is fine.

If you are not sure whether your month is a good month for what you need, call (919) 698-3669 and ask. We will tell you to wait if waiting is the right answer.

Our work

What this looks like finished

Composite deck with railings and patio furniture after a low-pressure cleaning
Composite deck, cleaned
Wood privacy fence running along a lawn after cleaning
Wood privacy fence
Close view of shingle grit and debris left on a white gutter face before cleaning
Grit on a gutter face
Questions

Asked and answered

Can you pressure wash in the winter in North Carolina?
Yes, on any day above freezing, which is most of them here. We start later on cold mornings and avoid leaving standing water when the overnight low is going below 32.
Is it bad to wash a house in the summer heat?
Not if the crew schedules around the sun. Cleaner flashes off hot surfaces before it can work, so we run shaded elevations in the afternoon and sunny ones early.
How often should a house in this area be washed?
Once a year for most homes in the Triangle and Johnston County. Heavy shade, pine cover, or a north-facing wall can make it twice.
When should I seal my driveway?
Late spring or fall, when you can count on dry days and nights above about 50 degrees. Seal right after a cleaning, once the slab is fully dry.
I am listing my house. When should I wash it?
Two to four weeks before photos. That gives you time to catch anything you want touched up and the clean still looks fresh on listing day.
Services

The work behind this guide

Where we work

Towns this comes up in most

Reviews

What neighbors say about the work

★★★★★

“Great communication and fair pricing on short notice. Gutters and driveway both done same visit.”

Vincent Lorenz · Garner
★★★★★

“Same-day service and the whole property looks better. Will use them every year.”

Mitchell R. · Clayton
★★★★★

“They transformed the outside of our house. The siding looks brand new and they were careful around all my flower beds.”

Polly Ferguson · Clayton
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