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Best Pressure Washing Companies in Longview, WA (2026)

5 pressure washing companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Longview: Dunn Maintenance, CR Score 65/100; 4.8★ from 10 Google reviews; open 7 days a week.

  2. 5

    Best for emergencies (open 24/7): Clean bright PDX | Janitorial Services Portland, posts 24/7 hours; ranked #5 of 5.

  3. 2

    Most-reviewed: The Prep Pro Pressure Washing, 14 Google reviews at 5.0★, the most of 5 ranked; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Longview pressure washing companies are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 5 rated businesses.

Top 5 pressure washing companies in Longview at a glance

Top 5 pressure washing companies in Longview at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Dunn Maintenance654.8★ (10)LongviewSat · SunOverall
2The Prep Pro Pressure Washing635.0★ (14)LongviewSat · Sun · EveningsMost reviews
3Molecular Inc. - No Dig Sewer Repair554.8★ (5)Longview——
4Justin Time for Paint & Power Washing535.0★ (5)Kelso, 10 mi awaySat · Evenings—
5Clean bright PDX | Janitorial Services Portland505.0★ (4)Barberton, 12 mi away24/7Emergencies

The 5 best pressure washing companies in Longview, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Longview

    #1 Dunn Maintenance

    Based in Longview

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.8★ from 10 Google reviews, listed on Google as “Pressure washing service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun 10 AM–2 PM
    View profile for Dunn Maintenance(360) 824-2507

How we ranked Longview pressure washing companies

We scored 5 Longview pressure washing companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Longview data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Pressure washing companies in Longview: frequently asked questions

Who is the best pressure washing company in Longview?

By CR Score, the highest-ranked pressure washing company in Longview, WA is Dunn Maintenance with a CR Score of 65/100. It has 4.8★ from 10 Google reviews. It is open 7 days a week. The Prep Pro Pressure Washing (#2) and Molecular Inc. - No Dig Sewer Repair (#3) follow. We ranked 5 pressure washing companies on ten factors, last updated November 3, 2026.

How many pressure washing companies are there in Longview?

ContractorsRanked ranks 5 pressure washing companies serving Longview, WA. 3 of them are based in Longview; the rest serve it from nearby towns. Counts are as of November 2026.

Which pressure washing companies in Longview are open 24/7?

1 ranked pressure washing company in Longview posts 24/7 hours. The highest-ranked is Clean bright PDX | Janitorial Services Portland (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which pressure washing companies in Longview work on weekends?

4 of 5 ranked pressure washing companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Dunn Maintenance (#1), The Prep Pro Pressure Washing (#2) and Justin Time for Paint & Power Washing (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Longview pressure washing companies have?

The median Google rating among 5 rated pressure washing companies in Longview is 5.0★, with a median of 5 reviews. The Prep Pro Pressure Washing has the most, 14 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank pressure washing companies?

Each pressure washing company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do pressure washing companies outside Longview count in this ranking?

Yes, if they are within 15 mi of the Longview city center, our service radius for pressure washing companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can pressure washing companies pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Longview

  1. November 2026: CR Scores recalculated for 5 pressure washing companies serving Longview.

More pressure washing companies and Longview pages

Other trades in Longview