Experts Reviews · Company report
How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%95+51.8Reliability 24%89+21.6Value 14%100+14.1Replies to reviews 7%89+6.3Craft & service penalty98−0.2Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.94SCORENor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA
Windsor, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #6Position by Experts Score among all companies we track in this category. of 31 deck contractors · 5.0★ from 164 Google reviews
Report card
Percentile vs other deck contractors (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: value and momentum; weakest: replies to reviews.
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 95% of deck contractors.A
95
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 89% of deck contractors.A
89
Craft & serviceCraft & service · 0% of the scoreGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 98% of deck contractors.A
98
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 100% of deck contractors.A
100
MomentumMomentum · 0% of the scorePenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 100% of deck contractors.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA is better than 89% of deck contractors.A
89
Reviews for your job
Customers hired Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA for 5 kinds of job.
Nor-Cal Maintenance | Gutter Installation & Services in Santa Rosa, CA for roof cleaning
Clear ✕Jobs reviewedHow many Google reviews are tagged with this job.3
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.—
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 85/100.How Job match is calculatedBuilt only from reviews Google tagged “Roof cleaning”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#1 / 1
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%
All 3 Google reviews tagged “Roof cleaning”
Celeste7 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★
All the people associated with Nor-Cal are friendly, professional and get the job done with a minimal amount of interruption in the daily flow of the household. Our place looks like new!
Reasonable priceInterior & exterior window cleaningPower/pressure washingGutter cleaning
Amanda5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★
Very thorough, very detailed. Always leaves the gutters clear and clean!
Great priceGutter cleaningRoof cleaning
Teresa2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 8 months ago★★★★★
Rating only, no written review.
Reasonable priceGutter cleaningRoof cleaning
Price
Not enough reviews with a price yet.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Great price 8%Reasonable 92%Overpriced 0%Not sure 0%
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Interior & exterior window cleaning | 14 | — |
| Power/pressure washing | 8 | — |
| Gutter cleaning | 7 | — |
| Rooftop/skylight cleaning | 5 | — |
| Roof cleaning | 3 | — |
