85/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
- 5.0★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Siding Contractors in Alamo, CA (2026)
104 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Alamo: NorCal Siding & Deck, CR Score 85/100; 5.0★ from 12 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): H4H Remodeling and Repairs Inc., posts 24/7 hours; ranked #3 of 104.
- 5
Most-reviewed: The Moulding Company, 290 Google reviews at 4.9★, the most of 104 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
104 Alamo siding contractors are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 57 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 5.0★ across 104 rated businesses.
Top 10 siding contractors in Alamo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NorCal Siding & Deck | 85 | 5.0★ (12) | Arden-Arcade, 17 mi away | 24/7 | Overall |
| 2 | The Moulding Company | 84 | 4.8★ (126) | Concord, 12 mi away | Sat | — |
| 3 | H4H Remodeling and Repairs Inc. | 84 | 5.0★ (83) | Vacaville, 37 mi away | 24/7 | Emergencies |
| 4 | Palm Construction | 84 | 4.6★ (190) | San Lorenzo, 13 mi away | Sun · Evenings | — |
| 5 | The Moulding Company | 84 | 4.9★ (290) | Santa Clara, 32 mi away | Sat | Most reviews |
| 6 | Blyss Construction Oakland | 83 | 4.9★ (14) | Oakland, 13 mi away | Sat · Sun | — |
| 7 | GVD Renovations & Remodeling | 82 | 5.0★ (19) | Walnut Creek, 5 mi away | Sat | — |
| 8 | ARIAS CONTRACTOR | 82 | 5.0★ (21) | San Francisco, 23 mi away | Sat · Sun · Evenings | — |
| 9 | Bayside Builders Group | 82 | 4.9★ (105) | Alameda, 14 mi away | Sat · Sun · Evenings | — |
| 10 | Gatana | 79 | 5.0★ (134) | Pacifica, 29 mi away | — | — |
The 104 best siding contractors in Alamo, ranked
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.
Based in Concord, 12 mi away
84/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 126 Google reviews, listed on Google as “Siding contractor”.
- 4.8★ from 126 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 5117 Commercial Cir, Concord, CA 94520
Based in Vacaville, 37 mi away
84/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 83 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 Ballindine Dr, Vacaville, CA 95688
Based in San Lorenzo, 13 mi away
84/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 190 Google reviews, listed on Google as “Siding contractor”.
- 4.6★ from 190 Google reviews
- Hours
- Mon–Thu 8:30 AM–7:30 PM · Fri 8:30 AM–3:30 PM · Sat closed · Sun 8:30 AM–7:30 PM
- Address
- 17259 Hesperian Blvd UNIT 7, San Lorenzo, CA 94580
Based in Santa Clara, 32 mi away
84/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 290 Google reviews, the most Google reviews on this list (290).
- 4.9★ from 290 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 1987 Russell Ave, Santa Clara, CA 95054
Based in Oakland, 13 mi away
83/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 14 Google reviews, listed on Google as “Siding contractor”.
- 4.9★ from 14 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1721 Broadway suit #201, Oakland, CA 94612
Based in Walnut Creek, 5 mi away
82/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 19 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 10 AM–4 PM · Sun closed
- Address
- 2121 N California Blvd STE 290, Walnut Creek, CA 94596
Based in San Francisco, 23 mi away
82/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 450 Justin Dr, San Francisco, CA 94112
Based in Alameda, 14 mi away
82/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 105 Google reviews, 105 Google reviews.
- 4.9★ from 105 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1151 Harbor Bay Pkwy Suite 206G, Alameda, CA 94502
#10 Gatana
Based in Pacifica, 29 mi away
79/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 134 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 1091 Palmetto Ave, Pacifica, CA 94044
Based in Santa Clara, 31 mi away
79/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Siding contractor”.
- 4.9★ from 41 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 4701 Patrick Henry Dr BLDG 15, Santa Clara, CA 95054
Based in Pleasanton, 14 mi away
79/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 208 Google reviews, 208 Google reviews.
- 4.9★ from 208 Google reviews
- Hours
- Mon–Thu 8 AM–5 PM · Fri 8 AM–2 PM · Sat 10 AM–2 PM · Sun closed
- Address
- 2142 Rheem Dr ste e, Pleasanton, CA 94588
Based in South San Francisco, 25 mi away
79/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Siding contractor”.
- 4.7★ from 17 Google reviews
- Hours
- Mon–Thu 5 AM–9:30 PM · Fri 5 AM–4:30 PM · Sat 7 AM–7 PM · Sun 9 AM–5 PM
- Address
- 319 S Maple Ave, South San Francisco, CA 94080
Based in San Francisco, 24 mi away
78/100CR ScoreRanked #14 because of its Google rating and availability: 4.7★ from 19 Google reviews, open 24/7.
- 4.7★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3736 Geary Blvd, San Francisco, CA 94118
Based in Alameda, 13 mi away
78/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Siding contractor”.
- 4.9★ from 43 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- or upstairs, 2318 Eagle Ave Apartment A, Alameda, CA 94501
Based in Milpitas, 32 mi away
78/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Fri 9 AM–6 PM · Sat closed · Sun 9 AM–6 PM
- Address
- 1828 S Milpitas Blvd, Milpitas, CA 95035
Based in Antioch, 19 mi away
78/100CR ScoreRanked #17 because of its Google rating and trade focus: 2.6★ from 5 Google reviews, listed on Google as “Siding contractor”.
- 2.6★ from 5 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
- Address
- 3625 E 18th St, Antioch, CA 94509
Based in San Mateo, 25 mi away
78/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 3 Google reviews
- Hours
- Mon–Sun 8 AM–7 PM
- Address
- 205 N Delaware St, San Mateo, CA 94401
#19 Deck Doctors
Based in Alamo
78/100CR ScoreRanked #19 because of its Google rating and availability: 4.6★ from 12 Google reviews, open 7 days a week.
- 4.6★ from 12 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 160 Alamo Plaza #264, Alamo, CA 94507
Based in Oakland, 13 mi away
78/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Siding contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 10 AM–4 PM · Sun closed
- Address
- 409 13th St Suite 600, Oakland, CA 94612
Based in Berkeley, 15 mi away
78/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Siding contractor”.
- 4.6★ from 9 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun closed
Based in Richmond, 19 mi away
78/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 7 days a week.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–3 PM · Sun 9 AM–3 PM
- Address
- 2124 Hellings Ave, Richmond, CA 94801
Based in Livermore, 19 mi away
78/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 7 days a week.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 2985 First St UNIT 1205, Livermore, CA 94550
Based in Walnut Creek, 4 mi away
78/100CR ScoreRanked #24 because of its Google rating and review volume: 5.0★ from 39 Google reviews, 39 Google reviews.
- 5.0★ from 39 Google reviews
- Hours
- Mon–Thu 8 AM–6 PM · Fri 8 AM–5 PM · Sat closed · Sun 8 AM–4 PM
- Address
- 1280 Boulevard Way Ste 305, Walnut Creek, CA 94595
Based in Antioch, 25 mi away
77/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 44 Google reviews, open 7 days a week.
- 4.9★ from 44 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
Siding 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 104 ranked siding contractors here; the rest are on their profiles.
Also serving Alamo
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 |
|---|---|---|
| A. Ramos Construction Inc. | In Alamo | |
| Alamo Attic Insulation Pro | 4.9★ (94) | In Alamo |
| Alan Siding & Windows | 5.0★ (2) | 8 mi |
| Anza Builders | 5.0★ (26) | In Alamo |
| Attico Enterprise, Inc. | 5.0★ (2) | In Alamo |
| Build by Bogdan | 5.0★ (4) | In Alamo |
| Contra Costa Decks LLC | 5.0★ (17) | In Alamo |
| Crowder Construction Inc | 5.0★ (2) | In Alamo |
| Fautt Homes | 5.0★ (7) | In Alamo |
| Garage Kings of Walnut Creek Livermore and San Ramon | 5.0★ (43) | In Alamo |
| Indian Summer Builders | In Alamo | |
| R L Ziegenbein Construction Co | 5.0★ (1) | In Alamo |
| Rooferserve Roofing | 5.0★ (2) | In Alamo |
| Shape House Painting | 5.0★ (2) | In Alamo |
| Spartan Home Services | 5.0★ (2) | In Alamo |
| United Constructors Inc. | 4.9★ (48) | In Alamo |
| Vitale Construction | 5.0★ (11) | In Alamo |
| Walnut Creek Construction and Remodeling Company | 5.0★ (25) | In Alamo |
| Westwind Builders & Electric | 5.0★ (1) | In Alamo |
| Wise Roofing Solutions of Concord | 4.0★ (2) | 9 mi |
How much do siding contractors cost in Alamo?
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 |
How we ranked Alamo siding contractors
We scored 104 Alamo 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 Alamo 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 |
Siding contractors in Alamo: frequently asked questions
Who is the best siding contractor in Alamo?
By CR Score, the highest-ranked siding contractor in Alamo, CA is NorCal Siding & Deck with a CR Score of 85/100. It has 5.0★ from 12 Google reviews. It is open 24/7. The Moulding Company (#2) and H4H Remodeling and Repairs Inc. (#3) follow. We ranked 104 siding contractors on 8 factors, last updated October 22, 2026.
How many siding contractors are there in Alamo?
ContractorsRanked ranks 104 siding contractors serving Alamo, CA. 1 of them is based in Alamo; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which siding contractors in Alamo are open 24/7?
5 ranked siding contractors in Alamo post 24/7 hours. The highest-ranked are NorCal Siding & Deck (#1), H4H Remodeling and Repairs Inc. (#3) and RTR Roofing of San Francisco (#14). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which siding contractors in Alamo work on weekends?
57 of 104 ranked siding contractors post Saturday hours and 37 post Sunday hours. The highest-ranked open Saturdays are NorCal Siding & Deck (#1), The Moulding Company (#2) and H4H Remodeling and Repairs Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does siding replacement cost in Alamo?
Siding replacement typically costs $5,730 to $18,280, with $11,950 typical (Per house: typical range of customer-reported projects. US national range × 1.03 Pacific factor (2025 Cost vs. Value Report)). The range is adjusted for California. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Alamo siding contractors have?
The median Google rating among 104 rated siding contractors in Alamo is 5.0★, with a median of 12 reviews. The Moulding Company has the most, 290 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank siding contractors?
Each siding contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do siding contractors outside Alamo count in this ranking?
Yes, if they are within 40 mi of the Alamo city center, our service radius for siding 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.
Update log for Alamo
- October 2026: CR Scores recalculated for 104 siding contractors serving Alamo.
More siding contractors and Alamo pages
Siding contractors near Alamo
- Siding contractors in Danville, CA106 ranked
- Siding contractors in Saranap, CA104 ranked
- Siding contractors in Walnut Creek, CA100 ranked
- Siding contractors in Lafayette, CA101 ranked
- Siding contractors in Waldon, CA99 ranked
- Siding contractors in Moraga, CA105 ranked
- Siding contractors in Contra Costa Centre, CA99 ranked
- Siding contractors in San Ramon, CA103 ranked
- Siding contractors in Pleasant Hill, CA97 ranked
- Siding contractors in Blackhawk, CA107 ranked
Other trades in Alamo
- Roofers in Alamo772 ranked
- Plumbers in Alamo649 ranked
- Electricians in Alamo469 ranked
- HVAC contractors in Alamo544 ranked
- General contractors in Alamo897 ranked
- Painters in Alamo238 ranked
- Landscapers in Alamo184 ranked
- Handymen in Alamo112 ranked
- Kitchen remodelers in Alamo444 ranked
- Bathroom remodelers in Alamo420 ranked
- Flooring contractors in Alamo298 ranked
- Tile installers in Alamo72 ranked
- Drywall contractors in Alamo36 ranked
- Concrete contractors in Alamo269 ranked
- Fence contractors in Alamo122 ranked
- Deck builders in Alamo139 ranked
- Window installers in Alamo326 ranked
- Gutter installers in Alamo164 ranked
- Insulation contractors in Alamo99 ranked
- Solar installers in Alamo305 ranked
- Garage door repair companies in Alamo208 ranked
- Foundation repair companies in Alamo131 ranked
- Tree services in Alamo230 ranked
- Masonry contractors in Alamo114 ranked
- Water damage restoration companies in Alamo400 ranked
- Home builders in Alamo507 ranked
- Demolition contractors in Alamo95 ranked
- All contractors in Alamo