Brier is a quiet grid of larger lots under mature trees. The canopy keeps the soil cool and damp, clay holds the rain, and moss will take a lawn that only sees sun in patches. Shade, not neglect, is usually why the grass looks tired. Shade and drip feed the growth. We can clean the patio and the siding. We cannot make a cedar canopy into a sunny courtyard.
Snohomish County · ZIP 98036 · 2020 population 6,642
Film on every surface under the trees
Decks and fences in the shade get a low-pressure wash and a treatment. Blasting the soft grain out of a deck board makes it hold more moisture next year. We would rather do it twice gently than once violently.
Needles and debris get blown off first. Washing a mat of debris just makes mud and drives it into the joints of the pavers.
The ground in Brier
Most of the yards we walk in Brier have been under evergreens for decades. Roots sit high, the lawn is thin where the shade is deepest, and the beds along the fence line are already trying to become forest again — ferns and salal move in on their own. That is a better clue than a catalog. Fighting those beds with a sun-loving flower border means weeding forever.
Clay and humidity show up as moss in the turf and as slippery film on patios that never quite dry. Aeration and a real dethatch help the lawn, but only if we also lift the canopy enough for light to reach the grass. Tree work here is pruning for structure and clearance, not topping. Privacy matters on these lots, so we thin, we do not scalp.
How we do the work
Most of what people call pressure washing here is organic film: the black and green on the north side, the walks, the fence. The fix is the right tip, the right distance, and often a wash that kills the growth so it does not return in a month. A zero-degree tip on a soft wood deck is how you get a furred, ruined deck.
We do not drive water up under lap siding or into a vent to prove the washer is strong. High pressure is for concrete that can take it. Wood, paint, and mortar joints get a softer approach.
What we look at first
- What the surface is
- Where the water will run
- Plants and outlets we need to protect
- Whether the black is mildew that needs a treatment, not just a blast
Wood versus concrete
Concrete can take a stronger wash. Cedar decks, fences, and soft siding cannot. If we raise the grain, the surface holds more dirt afterward. We would rather leave it a shade less bright than furred.
How often
North sides and shaded patios, about once a year if you care. Sunny south walks can go longer. Exposed marine rails may want it yearly. We do not sign you up for a monthly wash of a surface that does not need it.
Treatment
A wash that kills the algae and mildew, applied and rinsed, is why the surface stays clean longer than a blast. We use it where the film is biological. We do not soak your vegetable bed in it. Plants get rinsed.
More from this crew
- Pressure washing across Snohomish County
- Patio installation in Brier
- Paver installation in Brier
- Fence installation in Brier
- Yard cleanup in Brier
- Pressure washing in Lynnwood
- Pressure washing in Mountlake Terrace
- Pressure washing in Edmonds
Sources for the climate and the water
- USDA plant hardiness map for choosing plants that can take a Snohomish County winter.
- EPA WaterSense on watering less once a lawn or a new planting is established.
- EPA Soak Up the Rain on keeping roof and yard water from becoming someone else’s problem.
