POOL & SPA SERVICES · NAPA, CA
Shimmer Pool and Spa Service logoHow the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%89+31.2Reliability 15%93+14Craft & service 20%44+8.8Value 10%32+3.2Momentum 8%36+2.9Track record 7%25+1.8Accountability 5%61+3.1Experts Score= 65Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.65SCORE

Shimmer Pool and Spa Service

Better than 77% of pool & spa services · #5 of 22

5.0★86 Google reviewsGoogle star rating as shown on Google Maps.
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★ in 2 yrs (avg 2.1%)Share of reviews from the last 24 months that gave 1 or 2 stars.
%complaints answeredShare of 1–3★ reviews the owner publicly replied to.

Shimmer Pool and Spa Service for water treatment

Clear ✕
Jobs reviewedHow many Google reviews are tagged with this job.7
★ 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: 80/100.How Job match is calculatedBuilt only from reviews Google tagged “Water treatment”: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.#2 / 3

All 7 Google reviews tagged “Water treatment”

★★★★★ Yalek · 3 years ago

Shimmer is our 5th pool service company. Shimmer scrubs the sides, vacuum the pool and check the chemical balance of the water in every single visit. No other pool company had done that before. Our pool now is crystal clear and shimmer. Shimmer team did an excellent job to take care of our pool.

Filter cleaningLeaf trapsVacuuming+ Responsiveness+ Punctuality+ Quality
★★★★★ Alda · 3 years ago

Shimmer is an excellent pool service company. I have been extremely happy with their work. Knowledgeable, through, consistent, attentive are all words I would use to describe them. I would highly recommend them. They cost a little more but I think you get a lot more. I travel a lot but every Friday I receive an…

Filter cleaningNettingSwimming pool summerization
★★★★★ Joelle · 3 years ago

I cannot say enough great things about Roger and the service he gave us. We had an emergency situation on the Friday before Memorial Day weekend and he was gracious enough to show up within an hour to assess the situation. He had to fix multiple problems on a holiday weekend and made our pool new again. He was very…

Filter cleaningTile brushingVacuuming+ Responsiveness+ Professionalism
★★★★★ jessica · Edited 3 years ago

Rating only, no written review.

Tile brushingVacuumingWater treatment+ Responsiveness+ Punctuality+ Quality
★★★★★ Nic · 3 years ago

Rating only, no written review.

Filter cleaningNettingTile brushing+ Responsiveness+ Punctuality+ Quality
★★★★★ Claudia · 3 years ago

Rating only, no written review.

Filter cleaningNettingTile brushing+ Responsiveness+ Punctuality+ Quality
★★★★★ Lucio · 3 years ago

Rating only, no written review.

Filter cleaningNettingVacuuming+ Responsiveness+ Professionalism

vs category

Blue = Shimmer, grey = pool & spa services average

SatisfactionReliabilityCraftValueMomentumTrackAccountability
This companyCategory average

Rating over time

4.04.55.02023-Q2: 5.00★ (1 reviews)2023-Q3: 5.00★ (11 reviews)2023-Q4: 5.00★ (1 reviews)2024-Q2: 5.00★ (4 reviews)2024-Q3: 5.00★ (1 reviews)2024-Q4: 5.00★ (2 reviews)2025-Q1: 5.00★ (52 reviews)2025-Q2: 5.00★ (4 reviews)2025-Q3: 5.00★ (8 reviews)2026-Q3: 5.00★ (2 reviews)2023-Q22024-Q22025-Q22026-Q22026-Q4
This companyIndustrydot size = review count

Price

Not enough reviews with a price yet.

Great price 50%Reasonable 50%Overpriced 0%Not sure 0%

Score factorsHow the Experts Score is calculatedEach factor is a percentile (0–100) against the other companies in this category, then weighted:Satisfaction 35%89+31.2Reliability 15%93+14Craft & service 20%44+8.8Value 10%32+3.2Momentum 8%36+2.9Track record 7%25+1.8Accountability 5%61+3.1Experts Score= 65Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.

SatisfactionSatisfaction · 35%Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume.Bar = this company’s percentile, tick = category average.
89
ReliabilityReliability · 15%How rarely jobs go badly: share of 1–2★ reviews in the last 24 months (fewer = better).Bar = this company’s percentile, tick = category average.
93
Craft & serviceCraft & service · 20%Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — net praise per review.Bar = this company’s percentile, tick = category average.
44
ValueValue · 10%Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights.Bar = this company’s percentile, tick = category average.
32
MomentumMomentum · 8%Last 12 months vs lifetime average — improving or slipping.Bar = this company’s percentile, tick = category average.
36
Track recordTrack record · 7%Review volume and years with reviews.Bar = this company’s percentile, tick = category average.
25
AccountabilityAccountability · 5%Owner replies to 1–3★ reviews.Bar = this company’s percentile, tick = category average.
61

Praised for

Google highlights · percentile vs peersGoogle review highlights (Quality, Professionalism…): positive minus negative mentions per review, as a percentile vs peers.

Quality
+6 / −0
Professionalism
+8 / −0
Responsiveness
+8 / −0
Punctuality
+5 / −0
Value
+3 / −0

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