65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 533 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Pest Control Companies in Washington, IL (2026)
25 pest control companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Washington: Markley's Pest Elimination Services Inc, CR Score 65/100; 4.9★ from 533 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Orkin, posts 24/7 hours; ranked #3 of 25.
- 6
Most-reviewed: Spring Green, 965 Google reviews at 4.8★, the most of 25 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Washington pest control companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 16 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 25 rated businesses.
Top 10 pest control companies in Washington at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Markley's Pest Elimination Services Inc | 65 | 4.9★ (533) | Morton, 7 mi away | 24/7 | Overall |
| 2 | Mosquito Joe of Peoria-Champaign | 65 | 5.0★ (657) | Washington | Sat · Evenings | — |
| 3 | Orkin | 65 | 4.8★ (949) | Peoria, 12 mi away | 24/7 | Emergencies |
| 4 | Smithereen Pest Management Services | 62 | 4.9★ (382) | East Peoria, 6 mi away | Sat | — |
| 5 | Terminix | 61 | 4.5★ (537) | Peoria, 13 mi away | 24/7 | — |
| 6 | Spring Green | 61 | 4.8★ (965) | Peoria, 15 mi away | Sat | Most reviews |
| 7 | Mosquito & Pest Authority | 60 | 5.0★ (285) | Peoria, 4 mi away | — | — |
| 8 | Spring Green | 57 | 4.9★ (276) | Peoria, 13 mi away | — | — |
| 9 | Frantz & Company, Inc. | 57 | 4.9★ (145) | Pekin, 15 mi away | Sat | — |
| 10 | A1 Bed Bug Exterminator Peoria | 57 | 4.9★ (36) | Peoria, 14 mi away | Sat · Sun · Evenings | — |
The 25 best pest control companies in Washington, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Washington
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 657 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#3 Orkin
Based in Peoria, 12 mi away
65/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 949 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Peoria, 6 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 382 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#5 Terminix
Based in Peoria, 13 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.5★ from 537 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#6 Spring Green
Based in Peoria, 15 mi away
61/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 965 Google reviews, the most in Washington.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 4 mi away
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 285 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 Spring Green
Based in Peoria, 13 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 276 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pekin, 15 mi away
57/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 14 mi away
57/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orland Park, 6 mi away
57/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Pest control service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#12 Critter Control
Based in Peoria, 13 mi away
57/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.5★ from 190 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 Mosquito Hero
Based in Peoria, 3 mi away
56/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.3★ from 33 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pekin, 15 mi away
56/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 191 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 12 mi away
56/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pekin, 15 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 10 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Normal, 24 mi away
55/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 175 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pekin, 16 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.3★ from 21 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 9 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 3.4★ from 9 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 8 mi away
50/100CR ScoreRanked #21 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 24 mi away
49/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Peoria, 11 mi away
48/100CR ScoreRanked #23 because of its Google rating and review volume: 4.7★ from 44 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Peoria, 21 mi away
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 7 Google reviews, listed on Google as “Pest control service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Morton, 8 mi away
46/100CR ScoreRanked #25 because of its Google rating and review volume: 3.7★ from 69 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Washington
6 more pest control companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Eco Friendly Pest Management in Peoria | 5.0★ (1) | 10 mi |
| Hoerr's Pest Control Services | 5.0★ (1) | 7 mi |
| Hoerr's Pest Extermination Service | 12 mi | |
| Pest Control Peoria IL | 10 mi | |
| ProCare Pest Solutions | 10 mi | |
| Rapid Exterminator Services | 10 mi |
How we ranked Washington pest control companies
We scored 25 Washington pest control 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.
| Factor | Weight | Computed from | In Washington data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Pest control companies in Washington: frequently asked questions
Who is the best pest control company in Washington?
By CR Score, the highest-ranked pest control company in Washington, IL is Markley's Pest Elimination Services Inc with a CR Score of 65/100. It has 4.9★ from 533 Google reviews. It is open 24/7. Mosquito Joe of Peoria-Champaign (#2) and Orkin (#3) follow. We ranked 25 pest control companies on ten factors, last updated November 3, 2026.
How many pest control companies are there in Washington?
ContractorsRanked ranks 25 pest control companies serving Washington, IL. 1 of them is based in Washington; the rest serve it from nearby towns. Another 6 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which pest control companies in Washington are open 24/7?
4 ranked pest control companies in Washington post 24/7 hours. The highest-ranked are Markley's Pest Elimination Services Inc (#1), Orkin (#3) and Terminix (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which pest control companies in Washington work on weekends?
16 of 25 ranked pest control companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Markley's Pest Elimination Services Inc (#1), Mosquito Joe of Peoria-Champaign (#2) and Orkin (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Washington pest control companies have?
The median Google rating among 25 rated pest control companies in Washington is 4.8★, with a median of 69 reviews. Spring Green has the most, 965 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank pest control companies?
Each pest control 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 pest control companies outside Washington count in this ranking?
Yes, if they are within 25 mi of the Washington city center, our service radius for pest control 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 pest control 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 Washington
- November 2026: CR Scores recalculated for 25 pest control companies serving Washington.
More pest control companies and Washington pages
Pest control companies near Washington
- Pest control companies in Morton, IL25 ranked
- Pest control companies in North Peoria, IL24 ranked
- Pest control companies in East Peoria, IL24 ranked
- Pest control companies in Peoria, IL27 ranked
- Pest control companies in Pekin, IL24 ranked
- Pest control companies in Normal, IL11 ranked
- Pest control companies in Bloomington, IL9 ranked
- Pest control companies in Canton, IL8 ranked
- Pest control companies in Lincoln, IL7 ranked
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