62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.6★ from 296 Google reviews, listed on Google as “Landscaper”.
- 4.6★ from 296 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1350 E Rte 66, Glendora, CA 91740
Best Landscapers in Diamond Bar, CA (2026)
237 landscapers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Diamond Bar: Armstrong Garden Centers, CR Score 62/100; 4.6★ from 296 Google reviews; open 7 days a week.
- 9
Best for emergencies (open 24/7): Environmental Green Tree Care/ Killelea Landscape, posts 24/7 hours; ranked #9 of 237.
- 3
Most-reviewed: Armstrong Garden Centers, 332 Google reviews at 4.6★, the most of 237 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
237 Diamond Bar landscapers are ranked here by CR Score, from ten published factors. 19 are open 24/7, 147 open Saturdays and 65 open Sundays, based on posted hours. The median Google rating is 4.8★ across 237 rated businesses.
Top 10 landscapers in Diamond Bar at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Armstrong Garden Centers | 62 | 4.6★ (296) | Glendora, 7 mi away | Sat · Sun | Overall |
| 2 | Razo’s Landscape & Maintenance | 61 | 4.8★ (115) | Arcadia, 5 mi away | Sat · Sun | — |
| 3 | Armstrong Garden Centers | 60 | 4.6★ (332) | La Habra, 11 mi away | Sat · Sun | Most reviews |
| 4 | Everardo's Lawncare Service LLC | 59 | 4.9★ (152) | Alhambra, 13 mi away | Sat · Sun | — |
| 5 | Purchase Green Artificial Grass | 59 | 4.8★ (106) | Covina, 7 mi away | Sat | — |
| 6 | Garcia’s Gardening, tree service | 59 | 5.0★ (34) | Brea, 6 mi away | Sat · Sun · Evenings | — |
| 7 | Lawnscape Systems, Inc. | 59 | 4.9★ (195) | Montclair, 7 mi away | — | — |
| 8 | TruGreen Lawn Care | 58 | 4.7★ (171) | Arcadia, 10 mi away | Sat | — |
| 9 | Environmental Green Tree Care/ Killelea Landscape | 58 | 5.0★ (267) | Anaheim, 15 mi away | 24/7 | Emergencies |
| 10 | Garden Awakenings | 58 | 4.9★ (40) | Pomona, 4 mi away | Sat | — |
The 237 best landscapers in Diamond Bar, 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 Arcadia, 5 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 115 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 115 Google reviews
- Hours
- Mon–Sun 6 AM–6 PM
Based in La Habra, 11 mi away
60/100CR ScoreRanked #3 because of its Google rating and review volume: 4.6★ from 332 Google reviews, the most in Diamond Bar.
- 4.6★ from 332 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1340 S Harbor Blvd, La Habra, CA 90631
Based in Alhambra, 13 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 152 Google reviews, listed on Google as “Gardener”.
- 4.9★ from 152 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
Based in Covina, 7 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 106 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 106 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 8 AM–2 PM · Sun closed
- Address
- 715 Arrow Grand Cir, Covina, CA 91722
Based in Brea, 6 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 34 Google reviews
- Hours
- Mon–Wed 6:30 AM–6 PM · Thu–Fri 6:30 AM–6:30 PM · Sat 7 AM–5 PM · Sun 9 AM–5 PM
Based in Montclair, 7 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 195 Google reviews, listed on Google as “Landscaper”.
- 4.9★ from 195 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 5215 State St, Montclair, CA 91763
Based in Arcadia, 10 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.7★ from 171 Google reviews, listed on Google as “Lawn care service”.
- 4.7★ from 171 Google reviews
- Hours
- Mon–Fri 4:30 AM–6 PM · Sat 5:30 AM–5 PM · Sun closed
- Address
- 16022 Adelante St, Irwindale, CA 91702
Based in Anaheim, 15 mi away
58/100CR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 267 Google reviews.
- 5.0★ from 267 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 333 W Broadway #1206, Anaheim, CA 92815
Based in Pomona, 4 mi away
58/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Landscaper”.
- 4.9★ from 40 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–2 PM · Sun closed
- Address
- 458 W Monterey Ave, Pomona, CA 91768
Based in Chino, 5 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Landscaper”.
- 4.9★ from 24 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 9 AM–5 PM
Based in Pomona, 4 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 668 Laurel Ave, Pomona, CA 91768
#13 ITH Landscape
Based in Avocado Heights, 5 mi away
57/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 17 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 8 AM–6 PM · Sun 8 AM–2 PM
Based in Villa Park, 14 mi away
57/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 142 Google reviews.
- 5.0★ from 142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9642 Santiago Blvd, Villa Park, CA 92867
#15 Vivid Landscape
Based in Upland, 9 mi away
57/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 59 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 1860 W 9th St, Upland, CA 91786
Based in West Covina, 7 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 18 Google reviews
- Hours
- Mon–Sun 6 AM–9 PM
- Address
- 1107 E Larkwood St, West Covina, CA 91790
Based in Brea, 10 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 Smith Landscape
Based in Upland, 10 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Landscaper”.
- 4.9★ from 57 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–2 PM · Sun closed
- Address
- 154 W Foothill Blvd Unit 356, Upland, CA 91786
Based in Hacienda Heights, 9 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Landscaper”.
- 4.9★ from 44 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 8 AM–4:30 PM · Sun closed
- Address
- 15407 Garo St, Hacienda Heights, CA 91745
#20 Diaz Landscape
Based in Claremont, 11 mi away
56/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Landscaper”.
- 4.5★ from 46 Google reviews
- Hours
- Mon–Fri 7 AM–4:30 PM · Sat–Sun 7 AM–3:30 PM
Based in Chino, 5 mi away
56/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 25 Google reviews, listed on Google as “Landscaper”.
- 4.6★ from 25 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 3747 Phillips Blvd, Chino, CA 91710
#22 SM Landscaping
Based in Diamond Bar
56/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 6 Google reviews
- Hours
- Mon 7 AM–7 PM · Tue–Sat 7 AM–6 PM · Sun closed
Based in Baldwin Park, 9 mi away
56/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun 7 AM–5 PM
- Address
- 3275 Stichman Ave, Baldwin Park, CA 91706
Based in Chino, 7 mi away
56/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 13 Google reviews, listed on Google as “Landscaper”.
- 4.8★ from 13 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 5375 Walnut Ave Suite 2836, Chino, CA 91710
Based in Claremont, 7 mi away
56/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Landscaper”.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–2 PM · Sun closed
Landscapers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 237 ranked landscapers here; the rest are on their profiles.
Also serving Diamond Bar
20 more landscapers within 15 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 |
|---|---|---|
| American Mowing Chino Hills | 3.0★ (2) | 5 mi |
| AR Landscaping | In Diamond Bar | |
| C & M Landscape & Design | 5.0★ (2) | 9 mi |
| D & E Home Supplies | 3.0★ (1) | In Diamond Bar |
| Duke's Landscaping Services | 5.0★ (2) | 7 mi |
| Federico’s Gardening And Landscaping | 5.0★ (2) | 9 mi |
| Genesis | In Diamond Bar | |
| Haney's Landscape Maintenance | 5.0★ (2) | 6 mi |
| Jamescapes | 5.0★ (2) | 6 mi |
| Jouvay’s Lawn Care | 3.0★ (2) | 9 mi |
| Nature's Way Sculptured Rock Water Features | 5.0★ (2) | In Diamond Bar |
| Ortiz Gardening Service | 5.0★ (2) | 5 mi |
| Pelayo Landscaping Services LLC | 5.0★ (2) | 5 mi |
| Perez Landscaping | In Diamond Bar | |
| Precision Landscape Construction | 5.0★ (2) | 7 mi |
| Razo&Son Gardening | 5.0★ (2) | 10 mi |
| Reynolds Gardening & Landscaping | 5.0★ (2) | 8 mi |
| Serenity Landscaping | 5.0★ (2) | 5 mi |
| The Valley Landscaping | In Diamond Bar | |
| TR Landscape Services LLC. | 5.0★ (1) | In Diamond Bar |
How we ranked Diamond Bar landscapers
We scored 237 Diamond Bar landscapers 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 Diamond Bar 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 |
Landscapers in Diamond Bar: frequently asked questions
Who is the best landscaper in Diamond Bar?
By CR Score, the highest-ranked landscaper in Diamond Bar, CA is Armstrong Garden Centers with a CR Score of 62/100. It has 4.6★ from 296 Google reviews. It is open 7 days a week. Razo’s Landscape & Maintenance (#2) and Armstrong Garden Centers (#3) follow. We ranked 237 landscapers on ten factors, last updated October 22, 2026.
How many landscapers are there in Diamond Bar?
ContractorsRanked ranks 237 landscapers serving Diamond Bar, CA. 1 of them is based in Diamond Bar; the rest serve it from nearby towns. Another 20 within 15 mi are listed but not ranked yet. Counts are as of October 2026.
Which landscapers in Diamond Bar are open 24/7?
19 ranked landscapers in Diamond Bar post 24/7 hours. The highest-ranked are Environmental Green Tree Care/ Killelea Landscape (#9), Frisch & Sons Pool Demolition, Demolition & Landscape (#14) and TLS Landscaping LLC (#17). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which landscapers in Diamond Bar work on weekends?
147 of 237 ranked landscapers post Saturday hours and 65 post Sunday hours. The highest-ranked open Saturdays are Armstrong Garden Centers (#1), Razo’s Landscape & Maintenance (#2) and Armstrong Garden Centers (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Diamond Bar landscapers have?
The median Google rating among 237 rated landscapers in Diamond Bar is 4.8★, with a median of 9 reviews. Armstrong Garden Centers has the most, 332 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank landscapers?
Each landscaper 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 landscapers outside Diamond Bar count in this ranking?
Yes, if they are within 15 mi of the Diamond Bar city center, our service radius for landscapers. 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 landscapers 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 Diamond Bar
- October 2026: CR Scores recalculated for 237 landscapers serving Diamond Bar.
- October 2026: 1 duplicate listing merged.
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