A Salem property gets commercial pressure washing from GreenTree Services under one scope. Each line names its own method. The scope also covers storefront paving, older brick, parking areas and dumpster pads.
Checked 2 October 2026 against the Oregon Encyclopedia, the DEQ washing guide and NOAA normals.
First, three questions matter: the price, the storefront method and the scope beyond pressure washing. For the statewide method, see the commercial pressure washing hub. This page stays in Salem, because each city has its own conditions.

In Salem, the storefront band is $250 to $600. Walls have two bands: $250 to $500 for a single-storey building exterior, and $400 to $900 for a multi-storey one. Lots and loading bays share the $300 to $600 band in Salem. Roofs, apartment communities and graffiti get a per-site quote.
A storefront scope is the entry paving plus the surfaces beside the doors. Entry slabs get a spinning cleaner head on high pressure. Frames, signs and brick beside the glass, however, get a gentler rinse. The crew washes the entry in sections, so customers keep a dry way in. The $250 to $600 band below covers this work.
Commercial exterior cleaning in Salem is more than one tool. Paving takes a surface cleaner, while walls take a soft wash under 500 PSI. Roof moss comes off by hand, while gutters get a per-building quote. GreenTree also cleans window glass when you book it, including the inside face. It does no other interior work.
A Salem scope names each surface, so brick, paving and glass-side trim get different treatment. Parking surfaces take a spinning head, while greasy pads take degreaser first. Brick and cladding take a soft wash that stays below 500 PSI. Inlets get markers, beds get covers, and every building gets photographs.
Historic districts, including downtown State and Commercial Streets, keep Salem connected to its past, the Oregon Encyclopedia notes.
A block of older brick may carry soft mortar. Joint checks therefore come first, before water reaches the wall. Sound brick takes a soft wash, but loose mortar goes to a mason first.
GreenTree names no building it has washed, so this page makes no such claim. The point is method. Older masonry rewards a light touch, while a failing joint rewards a repair.
| Surface | Method | Reason for the limit |
|---|---|---|
| Entry paving, plain concrete | Rotating cleaner at full pressure, hand wand at the edges | Bare concrete tolerates pressure, but a round head cannot reach corners. |
| Brick with sound mortar | Gentle wash, then a light rinse | Water finds any gap, so the stream stays gentle. |
| Brick with loose mortar | Dry until a mason repoints | Loose mortar washes out, and water soaks the wall behind. |
| Painted wood or metal trim | Careful soft wash, kept light | Loose paint lifts further under a hard stream. |
| Glass and window frames | Low-pressure rinse, or a water-fed pole when you book windows | Hard spray forces water behind sealant joints, so frames stay gentle. |
| Pavers and stone walks | A gentler setting than concrete | Full pressure can loosen joints and mark soft stone. |
NOAA 1991 to 2020 normals for Salem McNary Field supply every figure below.
Salem receives 40.08 inches of rain in a typical year. Measurable rain still reaches the city on about 148 days.
| Season | Rain | Days with measurable rain | What it means for the scope |
|---|---|---|---|
| Winter, December to February | 17.59 in | 53.0 | Shaded storefront entries stay damp. |
| Spring, March to May | 9.72 in | 44.8 | Walls and trim then suit a soft wash, once green film shows. |
| Summer, June to August | 1.89 in | 13.5 | Lots dry fast, so paving work fits these weeks. |
| Fall, September to November | 10.88 in | 36.6 | Leaf litter arrives, so debris needs sweeping before a water-only wash. |
Winter brings the most rain of any season. Salem takes 10.88 inches in fall and 9.72 in spring.
Dry weeks, however, decide when flatwork happens. A rinsed entry dries within hours in July, but it can stay slick in January. The schedule therefore follows that difference.
State government is the largest employer in Salem, the Oregon Encyclopedia says. It also calls the State Capitol Building and Mall the most prominent features of the city.
Quiet hours decide the date. Plazas and entries at an office often suit a Saturday, because staff cars are gone.
First, GreenTree crews book jobs seven days a week, between 7am and 7pm. A shop can take an early start instead, so paving dries before the doors open.
First, the quotes come from the Oregon DEQ guide to washing activities, which applies statewide.
Mill Creek and Pringle Creek also drain Salem, the Oregon Encyclopedia says. Both are tributaries of the Willamette River. A manager washing a lot should therefore know where the rinse goes.
DEQ covers washing that uses detergents, soaps or cleaners. First, its guide says the water should soak into the ground. Otherwise, collection comes first, then discharge to a sanitary sewer or a treatment system.
Water-only washing follows a different rule. However, a catch basin with a sediment trap and an inverted elbow outlet may take that water, DEQ says. The guide wants such basins cleaned when solids fill 30% of the basin, or at least once a year.
Paint matters as well. So DEQ asks washers to detach as few paint chips as possible. Painted and metal surfaces should see only non-scrubbing detergents, DEQ says.
Salem scopes also list the rinse route and every marked inlet ahead of the date. Read the DEQ guide in full, then ask any bidder which cleaner and route they plan for your lot.
Salem uses the four hub bands. Other work gets a per-site quote.
| Service | What it covers | Price |
|---|---|---|
| Building exterior, single-storey | Soft wash of the walls | $250 to $500 |
| Building exterior, multi-storey | Height that needs reach equipment | $400 to $900 |
| Parking and loading areas | Priced by area and staining | $300 to $600 |
| Storefront | Entry slab plus the surfaces next to the doors | $250 to $600 |
| Gutters and roofline | Optional line inside a wall wash scope | Quoted per building |
| Commercial roof | Hand moss removal and a broom pass, then a low rinse | Quoted per site |
| Dumpster pads | Degreaser dwell, then a rinse on a set route | Quoted per site |
| Apartment community | Counted by building | Quoted per site |
| Graffiti on a wall | Washing only, with no repainting | Quoted per site |
| Recurring schedule | Fixed dates across a term | Quoted per site |
Gutters added to a wall wash also earn the bundle discount, from 10% to 25% by service count. Residential figures live in the Oregon cost guide, not here.
Failing surfaces go to a repair trade, while merely dirty ones go to a washer. A wash lifts dirt and film but fixes no damage. Open joints, roof leaks and peeling paint each need a specialist, because water worsens all three. Booking comes after the walk flags them, so you know the limits first.
Ten points go into the scope after the walk.
Every job follows this order, whether one shop or many buildings.
Walk the site
The lead measures each elevation, then marks inlets and access. A written price follows the walk.
Send proof of cover
The certificate reaches your office first. Endorsement wording follows in writing.
Set dates to your hours
Trading hours or shifts choose the day, so paving can dry.
Match pressure to surface
Concrete takes high pressure, while brick stays under 500 PSI. Each scope lists its rinse path.
Close with photos
Each building gets a before and after set, plus a defect note for any repair trade.
Salem jobs also sit on the valley route, with Albany and Corvallis to the south. Every served city appears in the service area index.
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Green Tree Services did an excellent job. Efficient. Professional. High quality. Reasonable price. Highly recommend.Lisa R.
My driveway and back patio had not been cleaned in years. Both were so bad they looked black. By the time Green Tree was done both looked almost brand new. I would highly recommend and will use them again in the future.Diane M.
These answers repeat the key facts from this page.
Salem storefronts sit in a $250 to $600 band. Single-storey building exteriors start the wall scale at $250 to $500, and multi-storey exteriors reach $400 to $900. Lot work falls in the $300 to $600 band, which covers parking and loading areas. Every other job gets a per-site quote, because no honest band exists for it.
Entry slabs get a rotating surface cleaner at full pressure, because bare concrete tolerates it. Brick, frames and signs beside the glass, however, get a gentler rinse. The crew works the entry in sections, so customers keep a dry way in. A hand wand then finishes the corners.
GreenTree cleans window glass when you book it, including the inside face, with a water-fed pole and purified water. It does no other interior work. Walls, paving, roofs and gutters belong to the exterior scope, so each one gets its own line.
DEQ says detergent wash water should soak into the ground, or else go for collection. Also, DEQ lets water-only wall washing reach a trapped catch basin. Then the rinse route appears in the Salem scope, ahead of any date.
Sound brick should still come through a soft wash under 500 PSI unharmed. Loose mortar is the exception, because water widens gaps and wets the wall behind. A mason repoints first, and the site walk flags weak joints before you book.
Yes. Property managers receive the certificate ahead of the crew. Also read the certificate for two lines: general liability of $2 million, and workers compensation for the crew. GreenTree arranges an endorsement when a lease asks for additional insured status. Rights come from the endorsement, not the certificate, so read the endorsement.
Walls clean best in spring, after winter growth appears, while paving cleans best in summer. Salem summer rain, however, totals only 1.89 inches in the NOAA normals, against 17.59 in winter. Fall needs leaf sweeping first. In winter, shaded entries come first, since green film forms there earliest.
Yes. Shingles never meet a pressure washer, so the crew hand-lifts roof moss, sweeps it and rinses low. Gutters carry a per-building quote, while roofs carry a per-site quote. Each item sits on its own scope line.
Salem slots run seven days a week, so dates fit between 7am and 7pm. Offices near the Capitol Mall may prefer Saturday, while shops may prefer the early morning. Opening hours drive the date, so the scope logs an access window.
Crews note building count and height first, then brick condition, paint, grease, inlets, water, access and paperwork. Findings become scope lines. Defects such as open joints get listed for a repair trade first.
So share the address and some photos, or phone the office. GreenTree walks the property and writes each surface and price down before work starts.
GreenTree Services, 1460 NW Van Buren Ave, Corvallis, OR 97330 · (971) 280-2861 · Oregon Registry #2424331-91
Company details: GreenTree Services. Sources: Registry #2424331-91 lookup. Oregon Encyclopedia: Salem. Oregon wash water guide (DEQ, 1998), PDF. Salem McNary Field 1991 to 2020 normals, NOAA (CSV).