309 concrete contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Union City: Groundworks, CR Score 61/100; 4.6★ from 162 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Boyett Concrete Inc, posts 24/7 hours; ranked #2 of 309.
Most-reviewed: Peace of Mind Structural, 225 Google reviews at 4.9★, the most of 309 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
309 Union City concrete contractors are ranked here by CR Score, from ten published factors. 15 are open 24/7, 177 open Saturdays and 100 open Sundays, based on posted hours. The median Google rating is 5.0★ across 309 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Groundworks | 61 | 4.6★ (162) | Sunnyvale, 13 mi away | Sat · Sun · Evenings | Overall |
| 2 | Boyett Concrete Inc | 60 | 4.9★ (16) | Hayward, 4 mi away | 24/7 | Emergencies |
| 3 | Lamata Concrete | 60 | 5.0★ (64) | Alameda, 8 mi away | Sat | — |
| 4 | Golden State Concrete | 60 | 4.9★ (85) | Alamo, 8 mi away | Sat | — |
| 5 | Golden Bay Foundation Builders | 59 | 4.9★ (62) | Alamo, 8 mi away | Sat | — |
| 6 | Palo Alto Foundation & Concrete Contractors | 59 | 4.8★ (51) | Palo Alto, 14 mi away | Sat · Sun · Evenings | — |
| 7 | Concrete Contractor Oakland | 59 | 4.9★ (81) | Oakland, 19 mi away | Sat · Sun | — |
| 8 | T.F.R Second Story, Room Addition & ADU's | 59 | 4.7★ (58) | Sunnyvale, 15 mi away | Sat · Sun · Evenings | — |
| 9 | Peace of Mind Structural | 59 | 4.9★ (225) | San Mateo, 16 mi away | — | Most reviews |
| 10 | Best Concrete Driveway & Pavers | 58 | 4.7★ (36) | Menlo Park, 12 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 162 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hayward, 4 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alameda, 8 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 64 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alamo, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alamo, 8 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Palo Alto, 14 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oakland, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sunnyvale, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Mateo, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 225 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menlo Park, 12 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Union City
Ranked #11 because of its Google rating and trade focus: 3.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasanton, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Atherton, 3 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Lorenzo, 9 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 6 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 31 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hayward, 4 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 3 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cherryland, 2 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Redwood City, 14 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 19 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Livermore, 14 mi away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 208 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 5 mi away
Ranked #21 because of its Google rating and review volume: 5.0★ from 41 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Campbell, 23 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ashland, 1 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlingame, 13 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pleasant Hill, 24 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 96 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 309 ranked concrete contractors here; the rest are on their profiles.
20 more concrete contractors 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 |
|---|---|---|
| AM Construction | 3.0★ (2) | 1 mi |
| Best Concrete & Paving Contractors | In Union City | |
| CalPortland | In Union City | |
| Carper Building Maintenance | In Union City | |
| D L C CONCRETE | 5.0★ (2) | 7 mi |
| Del Secco Diamond Core & Saw | 5.0★ (2) | 2 mi |
| Gomez Construction | In Union City | |
| Gudino's Professional Services | 5.0★ (3) | In Union City |
| It's Concrete | 3.0★ (2) | 7 mi |
| Long's Concrete | 3.5★ (2) | 7 mi |
| Malcolm Drilling Co., Inc. | 5.0★ (2) | 7 mi |
| Manica Builders | 3.0★ (2) | 7 mi |
| Marble 2000 | 4.0★ (4) | In Union City |
| Mitchel's Concrete | 5.0★ (1) | In Union City |
| NPL Construction Co. | 1.0★ (1) | In Union City |
| Pedro's Concrete | 5.0★ (2) | 3 mi |
| RCD Concrete | 5.0★ (1) | In Union City |
| RQS Concrete | 5.0★ (2) | 5 mi |
| Southland Industries | 4.0★ (8) | In Union City |
| Y&K INC | 5.0★ (1) | In Union City |
National price ranges in USD, not adjusted for Union City. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Concrete driveway | $2,700 | $6,400 | $14,500 | Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range | October 2026 |
We scored 309 Union City concrete 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 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 Union City 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 |