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Best Demolition Contractors in Ontario, CA (2026)

108 demolition contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Ontario: ProVision Junk Removal, CR Score 65/100; 5.0★ from 1,064 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Corona Junk Removal & Property Maintenance LLC., posts 24/7 hours; ranked #2 of 108.

  3. 2

    Most-reviewed: Corona Junk Removal & Property Maintenance LLC., 239 Google reviews at 5.0★, the most of 108 ranked after ProVision Junk Removal; ranked #2.

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

108 Ontario demolition contractors are ranked here by CR Score, from ten published factors. 22 are open 24/7, 77 open Saturdays and 50 open Sundays, based on posted hours. The median Google rating is 5.0★ across 108 rated businesses.

Top 10 demolition contractors in Ontario at a glance

Top 10 demolition contractors in Ontario at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1ProVision Junk Removal655.0★ (1,064)Rancho Cucamonga, 9 mi awaySat · Sun · EveningsOverall
2Corona Junk Removal & Property Maintenance LLC.625.0★ (239)Corona, 15 mi away24/7Emergencies, Most reviews
3Local Hauling & Junk Removal625.0★ (127)Riverside, 13 mi away24/7—
4So Cal Spa Removal615.0★ (137)Canyon Lake, 11 mi awaySat · Sun · Evenings—
5Frisch & Sons Pool Demolition, Demolition & Landscape605.0★ (142)Villa Park, 19 mi away24/7—
6In and Out Removal604.8★ (21)Montclair, 3 mi away24/7—
7OC Hauling and Junk Removal605.0★ (77)Yorba Linda, 15 mi away24/7—
8Precision Environmental594.8★ (19)La Verne, 8 mi away24/7—
9Jerry's Haul Service595.0★ (25)East Hemet, 5 mi awaySat · Sun · Evenings—
10Hauling for Causes - Junk Removal585.0★ (78)West Covina, 15 mi awaySat · Sun · Evenings—

The 108 best demolition contractors in Ontario, 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.

  1. Ranked #1 in Ontario

    Based in Rancho Cucamonga, 9 mi away

    65/100CR Score

    Ranked #1 because of its Google rating and review volume: 5.0★ from 1,064 Google reviews, the most in Ontario.

    • 5.0★ from 1,064 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
    Address
    6548 East Ave, Rancho Cucamonga, CA 91739
  2. Based in Montclair, 3 mi away

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Demolition contractor”.

    • 4.8★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4765 State St, Montclair, CA 91763
  3. Based in Rancho Cucamonga, 4 mi away

    58/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Demolition contractor”.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    9650 Business Center Dr Ste. 122, Rancho Cucamonga, CA 91730
  4. Based in Ontario

    57/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Demolition contractor”.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 5 AM–8 PM · Sat 8 AM–2 PM · Sun closed
    Address
    649 W Princeton St, Ontario, CA 91762

Demolition contractors 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 108 ranked demolition contractors here; the rest are on their profiles.

demolition contractors in Ontario, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Main Street Demolition of Rancho Cucamonga575.0★ (11)7 mi
27The Hazmat Pros575.0★ (7)11 mi
28Ultimate Removal Inc564.8★ (12)8 mi
29Demolition Hauling and junk removal tree service tree triming565.0★ (14)4 mi
30Golden State Environmental Inc.564.3★ (6)11 mi
31Main Street Demolition of Fontana565.0★ (12)11 mi
32Earthworks engineering565.0★ (12)5 mi
33Boat Removal Service564.7★ (13)11 mi
34Pronto Junk Removal565.0★ (11)18 mi
35Clean Slate Demolition555.0★ (15)21 mi
36Junk Budz555.0★ (9)11 mi
37Main Street Demolition of Anaheim555.0★ (24)19 mi
38Action E-Z Haul & Property Clean Up554.3★ (6)2 mi
39Beckco Inc555.0★ (8)5 mi
40Earthworks Engineering543.4★ (5)8 mi
41DNM TRANSPORT545.0★ (4)17 mi
42Force Demolition, Inc.543.3★ (3)13 mi
43Lighthouse Cleanup and Demolition Services545.0★ (5)18 mi
44Demolition X545.0★ (6)7 mi
45Medina's Junk Removal and Recycling Services534.9★ (29)20 mi
46Main Street Demolition of San Bernardino535.0★ (9)21 mi
47Ebenezer Landscape535.0★ (13)25 mi
48Burns Environmental Services534.1★ (62)11 mi
49HD Junk Removal525.0★ (13)20 mi
50South Coast Demolition525.0★ (16)22 mi

Also serving Ontario

20 more demolition contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked demolition contractors serving Ontario
BusinessGoogle ratingDistance
Advantage DemolitionIn Ontario
Anthony Torres Demolition Corp.5.0★ (2)7 mi
Brady Construction Group4.4★ (7)In Ontario
Cornerstone Demolition Corp.In Ontario
Earth & Structural Development5.0★ (2)In Ontario
Garcia's Gardening Services Inc.5.0★ (3)In Ontario
Garcon Construction, Inc.4.1★ (7)In Ontario
HMSDEMOLITION2.0★ (2)11 mi
I & G Excavation & Demo5.0★ (2)4 mi
JF Engineering, Inc5.0★ (2)4 mi
KG Demolition Services5.0★ (2)7 mi
LCC3 Construction Services, Inc.5.0★ (1)In Ontario
Lighthouse Roofing and RepairIn Ontario
LV General ConstructionIn Ontario
MCQ Construction, Inc5.0★ (3)In Ontario
Peter's Junk Removal Services5.0★ (2)4 mi
Robert Alan ConstructionIn Ontario
Superior Demolition IncIn Ontario
Victoriano Concrete and Demolition5.0★ (2)9 mi
Winkler's Excavating & Grading3.0★ (2)5 mi

How we ranked Ontario demolition contractors

We scored 108 Ontario demolition contractors 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 23, 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 Ontario 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

Demolition contractors in Ontario: frequently asked questions

Who is the best demolition contractor in Ontario?

By CR Score, the highest-ranked demolition contractor in Ontario, CA is ProVision Junk Removal with a CR Score of 65/100. It has 5.0★ from 1,064 Google reviews. It is open 7 days a week. Corona Junk Removal & Property Maintenance LLC. (#2) and Local Hauling & Junk Removal (#3) follow. We ranked 108 demolition contractors on ten factors, last updated October 23, 2026.

How many demolition contractors are there in Ontario?

ContractorsRanked ranks 108 demolition contractors serving Ontario, CA. 2 of them are based in Ontario; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which demolition contractors in Ontario are open 24/7?

22 ranked demolition contractors in Ontario post 24/7 hours. The highest-ranked are Corona Junk Removal & Property Maintenance LLC. (#2), Local Hauling & Junk Removal (#3) and Frisch & Sons Pool Demolition, Demolition & Landscape (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which demolition contractors in Ontario work on weekends?

77 of 108 ranked demolition contractors post Saturday hours and 50 post Sunday hours. The highest-ranked open Saturdays are ProVision Junk Removal (#1), Corona Junk Removal & Property Maintenance LLC. (#2) and Local Hauling & Junk Removal (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Ontario demolition contractors have?

The median Google rating among 108 rated demolition contractors in Ontario is 5.0★, with a median of 11 reviews. ProVision Junk Removal has the most, 1,064 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank demolition contractors?

Each demolition contractor 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 demolition contractors outside Ontario count in this ranking?

Yes, if they are within 25 mi of the Ontario city center, our service radius for demolition contractors. 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 demolition contractors 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 Ontario

  1. October 2026: CR Scores recalculated for 108 demolition contractors serving Ontario.
  2. October 2026: 2 duplicate listings merged.

More demolition contractors and Ontario pages

Other trades in Ontario