98 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Union City: The Moulding Company, CR Score 87/100; 4.9★ from 290 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): NorCal Siding & Deck, posts 24/7 hours; ranked #3 of 98.
Most-reviewed: Custom Exteriors, Inc, 208 Google reviews at 4.9★, the most of 98 ranked after The Moulding Company; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
98 Union City siding contractors are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 54 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 5.0★ across 98 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Moulding Company | 87 | 4.9★ (290) | Santa Clara, 15 mi away | Sat | Overall |
| 2 | Palm Construction | 85 | 4.6★ (190) | San Lorenzo, 8 mi away | Sun · Evenings | — |
| 3 | NorCal Siding & Deck | 83 | 5.0★ (12) | Arden-Arcade, 29 mi away | 24/7 | Emergencies |
| 4 | Blyss Construction Oakland | 82 | 4.9★ (14) | Oakland, 20 mi away | Sat · Sun | — |
| 5 | First Tier Exterior | 82 | 4.9★ (41) | Santa Clara, 14 mi away | Sat | — |
| 6 | The Moulding Company | 82 | 4.8★ (126) | Concord, 29 mi away | Sat | — |
| 7 | ARIAS CONTRACTOR | 81 | 5.0★ (21) | San Francisco, 24 mi away | Sat · Sun · Evenings | — |
| 8 | Bayside Builders Group | 81 | 4.9★ (105) | Alameda, 15 mi away | Sat · Sun · Evenings | — |
| 9 | BetterBuilt Builders | 81 | 5.0★ (25) | Milpitas, 15 mi away | Sun | — |
| 10 | OCA Builders | 81 | 5.0★ (49) | Los Gatos, 29 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.9★ from 290 Google reviews, the most Google reviews on this list (290).
Based in San Lorenzo, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 190 Google reviews, listed on Google as “Siding contractor”.
Based in Arden-Arcade, 29 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
Based in Oakland, 20 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “Siding contractor”.
Based in Santa Clara, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Siding contractor”.
Based in Concord, 29 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 126 Google reviews, listed on Google as “Siding contractor”.
Based in San Francisco, 24 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Siding contractor”.
Based in Alameda, 15 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 105 Google reviews, 105 Google reviews.
Based in Milpitas, 15 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Siding contractor”.
Based in Los Gatos, 29 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
Based in San Jose, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Siding contractor”.
Based in San Jose, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Siding contractor”.
Based in San Jose, 16 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Siding contractor”.
Based in Pacifica, 26 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Siding contractor”.
Based in Campbell, 21 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Siding contractor”.
Based in Pleasanton, 10 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 208 Google reviews, 208 Google reviews.
Based in San Jose, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Siding contractor”.
Based in San Mateo, 17 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based in Walnut Creek, 22 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Siding contractor”.
Based in South San Francisco, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based in Campbell, 17 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 7 days a week.
Based in Antioch, 19 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 44 Google reviews, open 7 days a week.
Based in Campbell, 3 mi away
Ranked #23 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based in Fremont, 7 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Siding contractor”.
Based in Livermore, 15 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 7 days a week.
#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 98 ranked siding contractors here; the rest are on their profiles.
20 more siding contractors within 40 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 |
|---|---|---|
| Alan Siding & Windows | 5.0★ (2) | 25 mi |
| AM Construction | 3.0★ (2) | 1 mi |
| Apex Roofing Co | 5.0★ (2) | In Union City |
| Attico Enterprise, Inc. | 5.0★ (2) | 25 mi |
| CleanBuilders | 5.0★ (2) | 19 mi |
| D. B. P. Remodeling Construction | 5.0★ (2) | 16 mi |
| Eram Builder | 5.0★ (2) | 14 mi |
| Escon Builders | 5.0★ (2) | In Union City |
| Gomez Construction | In Union City | |
| Handyman Home Repair Pros | 3.0★ (2) | 14 mi |
| Home Roofing & Siding Co | 5.0★ (2) | 25 mi |
| Jeff Martinez Construction, Inc. | 5.0★ (2) | 30 mi |
| M & L Construction | 5.0★ (2) | 28 mi |
| Modern Inspiration Construction | 5.0★ (2) | 26 mi |
| RHS Construction | 5.0★ (1) | In Union City |
| Sanchez and Sons Construction INC | 1.0★ (2) | 20 mi |
| Shape House Painting | 5.0★ (2) | 20 mi |
| Union City Roof Masters | In Union City | |
| V & G Builders | 5.0★ (2) | 28 mi |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 25 mi |
Typical prices in USD, adjusted for California with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Siding replacement | $5,730 | $11,950 | $18,280 | Per house: typical range of customer-reported projects. US national range × 1.03 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 98 Union City siding contractors on 8 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. Unknown factors are left out of the score, 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 | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |