◆ Among the top 32% of Hayward dentists

Mark Sylvester

★★★★★4.7 · 236 Google reviews Dentist in Hayward, CA
★ 4.7 rating ✓ Dental.me Profile

Last updated Aug 4, 2026 · Dental.me Score is independent and can’t be bought.

Quick answer: Mark Sylvester in Hayward

Mark Sylvester has 4.7-star rating across 236 Google reviews, Dental.me Score 94 out of 100, address in Hayward, CA, phone number, website, 1 dentist named, 9 business categories, and 5 days with hours on Dental.me. Compare contact details, map context, provider names, business categories, reviews, Dental.me Score, hours, and nearby dental options.

Top 32% of 69
Hayward dentists by Dental.me Score
4.7 vs 4.4
its rating vs the Hayward average
Top 12%
review volume — 236 beats 88% of Hayward practices

About Mark Sylvester

Mark Sylvester is located at 1680 B St Ste A, Hayward, CA 94541. Its Dental.me profile includes phone, website, dentist names, dental categories, Google rating and review data, business hours, and Google Maps details.

To contact the office, call (510) 581-8366, visit dentisthaywardcastrovalley.com, and open its Google Maps profile.

Dentists at this practice: Mark Sylvester, D.D.S.

Dental categories connected to this profile: General Dentistry, Cosmetic Dentists, Orthodontists, Periodontists, Emergency Dentists, Dental Implants, Endodontists, and Pediatric Dentists.

General DentistryCosmetic DentistsOrthodontistsPeriodontistsEmergency DentistsDental ImplantsEndodontistsPediatric DentistsDentist

Reviews and ratings for Mark Sylvester

Google business data shows Mark Sylvester with a 4.7-star rating across 236 reviews.

Mark Sylvester has a Dental.me Score of 94, calculated from star-rating strength, review-count confidence, exact review-count tie-breakers, and limited verification signals.

Within Hayward, this profile ranks #22 out of 69 scored dental profiles on Dental.me.

View Google reviews for Mark Sylvester →

What Dental.me knows about this practice

Location
1680 B St Ste A, Hayward, CA 94541
Contact paths
phone, website, and Google Maps
Google review signal
4.7 stars from 236 reviews
Dental.me Score
94/100 score
Dentists connected
Mark Sylvester, D.D.S.
Category signals
General Dentistry, Cosmetic Dentists, Orthodontists, Periodontists, Emergency Dentists, Dental Implants, Endodontists, and Pediatric Dentists
Business hours
5 days with published hours

How it compares in Hayward

RankDentistRatingReviewsScore
#20Amuerfina Blanco4.96094
#21SoHay Dental4.86094
#22Mark SylvesterYou’re viewing4.723694
#23Del Rio Dental Studio | General, Family and Cosmetic Dentist in Hayward4.712394
#24Nidhi Gupta, DDS, a Professional Dental Corporation5.02492
For this practice’s team: This practice scores 94. Verify it to raise its Dental.me Score to 97. Verify now →

Practice details

Address
1680 B St Ste A, Hayward, CA 94541
Phone
(510) 581-8366
Dentists
Mark Sylvester, D.D.S.
Google profile
View on Maps · 236 reviews

Compare and contact Mark Sylvester

Compare Mark Sylvester using address, phone, website, 4.7-star Google rating, 236 Google reviews, Dental.me Score 94, 1 named dentist, 9 dental categories, and 5 days with published hours.

Open the Hayward dentist directory to compare other local profiles, or browse the California dental directory for a statewide view.

Frequently asked questions

How do I contact Mark Sylvester?
Call Mark Sylvester at (510) 581-8366. For more information, visit dentisthaywardcastrovalley.com.
Where is Mark Sylvester located?
Mark Sylvester is located at 1680 B St Ste A, Hayward, CA 94541.
Which dentists are at this office?
Dentists at this office include Mark Sylvester, D.D.S.
Does Mark Sylvester have a website?
Yes. The website for Mark Sylvester is dentisthaywardcastrovalley.com.
What rating does Google show for Mark Sylvester?
Google business data shows Mark Sylvester with a 4.7-star rating from 236 reviews.
What are Mark Sylvester's business hours?
Business hours shown: Monday 9AM–5PM; Tuesday 9AM–5PM; Wednesday 9AM–6PM; Thursday 9AM–5PM; Friday 9AM–4PM; Saturday Closed; Sunday Closed.
What dental categories is Mark Sylvester connected to?
Business categories connected to this practice include General Dentistry, Cosmetic Dentists, Orthodontists, Periodontists, Emergency Dentists, Dental Implants, Endodontists, and Pediatric Dentists.
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Dental.me guides for Hayward

How Dental.me verifies this data. We combine provider, location, business-profile, practice website, dentist-submitted, correction, and direct office-confirmation data. Profiles show a last-updated date, and rankings are independent of paid placement. Verification methodology · How we rank

Profile data includes practice, provider, location, and business-profile information organized by Dental.me. Last updated August 4, 2026.