7 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Los Osos: Rogall + Co. | Rogall Painting | CC Decks and Siding, CR Score 90/100; 4.7★ from 89 Google reviews; open 24/7.
Best for emergencies (open 24/7): Husky Builders Inc, posts 24/7 hours; ranked #3 of 7.
Most-reviewed: Gannage Design & Construction, 21 Google reviews at 4.6★, the most of 7 ranked after Rogall + Co. | Rogall Painting | CC Decks and Siding; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Los Osos siding contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rogall + Co. | Rogall Painting | CC Decks and Siding | 90 | 4.7★ (89) | Morro Bay, 4 mi away | 24/7 | Overall |
| 2 | EDS Handyman | 84 | 5.0★ (19) | Los Osos | Sat · Evenings | — |
| 3 | Husky Builders Inc | 82 | 4.8★ (20) | Paso Robles, 6 mi away | 24/7 | Emergencies |
| 4 | Jimmy Roofing Contractor SLO | 74 | 4.5★ (8) | San Luis Obispo, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Gannage Design & Construction | 69 | 4.6★ (21) | Templeton, 17 mi away | — | Most reviews |
| 6 | JV ROOFING INC | 68 | 5.0★ (12) | Paso Robles, 18 mi away | — | — |
| 7 | M.C. Etter Painting & Carpentry | 66 | 5.0★ (3) | San Luis Obispo, 11 mi away | — | — |
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 in Los Osos
Based in Morro Bay, 4 mi away
Ranked #1 because of its Google rating and review volume: 4.7★ from 89 Google reviews, the most Google reviews on this list (89).
Based in Los Osos
Ranked #2 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Siding contractor”.
Based in Paso Robles, 6 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 20 Google reviews, open 24/7.
Based in San Luis Obispo, 10 mi away
Ranked #4 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 7 days a week.
Based in Templeton, 17 mi away
Ranked #5 because of its Google rating and review volume: 4.6★ from 21 Google reviews, 21 Google reviews.
Based in Paso Robles, 18 mi away
Ranked #6 because of its Google rating and review volume: 5.0★ from 12 Google reviews, 12 Google reviews.
Based in San Luis Obispo, 11 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
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 7 Los Osos 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 Los Osos 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 |