62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 158 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 158 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Tree Services in Thornton, CO (2026)
366 tree services ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Thornton: Tree Service Denver LLC, CR Score 62/100; 4.9★ from 158 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Environmental Tree Care LLC, posts 24/7 hours; ranked #2 of 366.
- 11
Most-reviewed: Monster Tree Service of North Metro Denver, 1,073 Google reviews at 4.9★, the most of 366 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
366 Thornton tree services are ranked here by CR Score, from ten published factors. 61 are open 24/7, 213 open Saturdays and 127 open Sundays, based on posted hours. The median Google rating is 4.9★ across 366 rated businesses.
Most of this list also appears on the Tree services in Denver ranking. See Tree services in Denver
Top 10 tree services in Thornton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Tree Service Denver LLC | 62 | 4.9★ (158) | Aurora, 7 mi away | 24/7 | Overall |
| 2 | Environmental Tree Care LLC | 62 | 4.7★ (711) | Denver, 13 mi away | 24/7 | Emergencies |
| 3 | AAA Emergency Tree Service | 62 | 4.8★ (278) | Aurora, 10 mi away | 24/7 | — |
| 4 | American Stumpbusters | 62 | 4.9★ (87) | Westminster, 3 mi away | 24/7 | — |
| 5 | Arvada Tree Service LLC | 62 | 5.0★ (65) | Arvada, 3 mi away | 24/7 | — |
| 6 | Arbor Doctor Tree Service | 62 | 5.0★ (69) | Berkley, 4 mi away | 24/7 | — |
| 7 | John Egart's Tree Service | 61 | 4.7★ (117) | Aurora, 5 mi away | 24/7 | — |
| 8 | Senn's Tree Service | 61 | 5.0★ (162) | Arvada, 7 mi away | Sat · Sun · Evenings | — |
| 9 | Environmental Tree Care LLC | 61 | 4.8★ (251) | Lakewood, 13 mi away | 24/7 | — |
| 10 | Robertson Tree Service | 61 | 4.8★ (115) | Englewood, 8 mi away | 24/7 | — |
The 366 best tree services in Thornton, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Denver, 13 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 711 Google reviews, listed on Google as “Tree service”.
- 4.7★ from 711 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 363 W Evans Ave, Denver, CO 80223
Based in Aurora, 10 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 278 Google reviews, listed on Google as “Tree service”.
- 4.8★ from 278 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Westminster, 3 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 87 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3051 W 105th Ave #350771, Westminster, CO 80031
Based in Arvada, 3 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 65 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Berkley, 4 mi away
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 69 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Aurora, 5 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 117 Google reviews, listed on Google as “Tree service”.
- 4.7★ from 117 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arvada, 7 mi away
61/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 162 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 162 Google reviews
- Hours
- Mon–Sat 7:30 AM–7 PM · Sun 8:30 AM–5 PM
Based in Lakewood, 13 mi away
61/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 251 Google reviews, listed on Google as “Tree service”.
- 4.8★ from 251 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1195 S Pierce St, Lakewood, CO 80232
Based in Englewood, 8 mi away
61/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 115 Google reviews, listed on Google as “Tree service”.
- 4.8★ from 115 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Aurora, 5 mi away
61/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 1,073 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 1,073 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
Based in Centennial, 19 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 273 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 273 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6433 S Marion Pl, Centennial, CO 80121
Based in Denver, 12 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 101 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 101 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1130 S Santa Fe Dr, Denver, CO 80223
Based in Broomfield, 8 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 983 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 983 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2890 Industrial Ln, Broomfield, CO 80020
Based in Boulder, 18 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 153 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6985 Lodgepole Ct, Boulder, CO 80301
#16 Colorado Trees
Based in Arvada, 10 mi away
60/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 128 Google reviews
- Hours
- Mon–Sun 7:30 AM–7:30 PM
- Address
- 7015 Braun Ct, Arvada, CO 80004
Based in Thornton
60/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.4★ from 36 Google reviews, listed on Google as “Tree service”.
- 4.4★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9687 N Pecos St, Thornton, CO 80260
Based in Westminster, 4 mi away
60/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 155 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 155 Google reviews
- Hours
- Mon–Thu 9 AM–6 PM · Fri 9 AM–3:30 PM · Sat closed · Sun 10 AM–4 PM
- Address
- 7262 Meade St Box 1454, Westminster, CO 80030
Based in Denver, 2 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Tree service”.
- 4.8★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8256 Conifer Rd, Denver, CO 80221
Based in Boulder, 18 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 140 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 140 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4845 Pearl E Cir #101, Boulder, CO 80301
Based in Broomfield, 4 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Aurora, 10 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 105 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Boulder, 6 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 142 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 142 Google reviews
- Hours
- Mon–Tue 8 AM–6 PM · Wed closed · Thu–Sat 8 AM–6 PM · Sun closed
Based in Lafayette, 11 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Tree service”.
- 4.9★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 104 W Cleveland St B, Lafayette, CO 80026
Based in Broomfield, 3 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Tree service”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Tree services ranked #28 to #46
#1 to #25 are shown in full above. Here are #28 to #46, in CR Score order; each links to its profile. We publish the top 46 of 366 ranked tree services here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 28 | Creative Tree & Stump LLC | 58 | 4.9★ (51) | 13 mi |
| 29 | Ice Tree Service LLC | 58 | 5.0★ (34) | 11 mi |
| 30 | Expert Trees | 58 | 4.0★ (104) | 3 mi |
| 31 | Climbers Choice Tree Care | 58 | 5.0★ (69) | 11 mi |
| 32 | Roots Up Tree Company | 58 | 5.0★ (136) | 23 mi |
| 34 | Vega’s Tree Service,Inc | 58 | 4.3★ (47) | 6 mi |
| 35 | Green Arbor Masters | 58 | 4.8★ (33) | 10 mi |
| 46 | MQ Landscaping & Tree Services | 58 | 4.9★ (115) | 15 mi |
How much do tree services cost in Thornton?
National price ranges in USD, not adjusted for Thornton. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Tree removal | $200 | $750 | $2,000 | Per tree: typical range of customer-reported removals. US national range | October 2026 |
When to hire a tree service in Colorado
Late fall through winter, when most trees are dormant, is the usual time for planned pruning and removals. In Colorado, ice and snow storms bring a rush of emergency removals.
How we ranked Thornton tree services
We scored 366 Thornton tree services 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 October 22, 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 Thornton 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 |
Tree services in Thornton: frequently asked questions
Who is the best tree service in Thornton?
By CR Score, the highest-ranked tree service in Thornton, CO is Tree Service Denver LLC with a CR Score of 62/100. It has 4.9★ from 158 Google reviews. It is open 24/7. Environmental Tree Care LLC (#2) and AAA Emergency Tree Service (#3) follow. We ranked 366 tree services on ten factors, last updated October 22, 2026.
How many tree services are there in Thornton?
ContractorsRanked ranks 366 tree services serving Thornton, CO. 1 of them is based in Thornton; the rest serve it from nearby towns. Counts are as of October 2026.
Which tree services in Thornton are open 24/7?
61 ranked tree services in Thornton post 24/7 hours. The highest-ranked are Tree Service Denver LLC (#1), Environmental Tree Care LLC (#2) and AAA Emergency Tree Service (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which tree services in Thornton work on weekends?
213 of 366 ranked tree services post Saturday hours and 127 post Sunday hours. The highest-ranked open Saturdays are Tree Service Denver LLC (#1), Environmental Tree Care LLC (#2) and AAA Emergency Tree Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does tree removal cost in Thornton?
Tree removal typically costs $200 to $2,000, with $750 typical (Per tree: typical range of customer-reported removals. US national range). This is a national range, not adjusted for Thornton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Thornton tree services have?
The median Google rating among 366 rated tree services in Thornton is 4.9★, with a median of 27 reviews. Monster Tree Service of North Metro Denver has the most, 1,073 reviews, and ranks #11. We adjust ratings for review count, so a few five-star reviews cannot top the list.
When is the best time to hire a tree service in Thornton?
Late fall through winter, when most trees are dormant, is the usual time for planned pruning and removals. In Colorado, ice and snow storms bring a rush of emergency removals.
How does ContractorsRanked rank tree services?
Each tree service 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.
Update log for Thornton
- October 2026: CR Scores recalculated for 366 tree services serving Thornton.
- October 2026: 8 duplicate listings merged.
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