We track 15 nail salons in Union City (average 4.4★ on Google). The most-reviewed is Jas Nail Spa with 531 Google reviews (4.9★), while M’Jenn Nails & Spa holds the top rating at 5.0★.
Among them, 14 open on Sundays, 10 accept walk-ins, and 2 are women-owned, and many also offer spa treatments and waxing.
Union City’s nail scene at a glance
15 nail salons
4.4★ average Google rating
2,262 Google reviews
14 open Sundays
10 accept walk-ins
2 women-owned
Top-rated nail salons in Union City
Ranked by Google star rating, weighted by review volume. A salon with hundreds of reviews ranks above one with only a handful. Data from Google Maps, updated July 2026.
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Diamond #1 Nails Salon
Nail salon, Beauty salon, Day spa, Spa, Waxing hair removal service
- Walk-ins welcome
- Also: waxing
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Nail Spa Boutique
Nail salon, Beauty salon, Spa, Waxing hair removal service
- Walk-ins welcome
- Also: waxing
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Nail salons in Union City FAQ
- How many nail salons are in Union City?
- There are 15 nail salons in Union City, California listed in the Sammy Booking directory, with an average Google rating of 4.4 out of 5.
- What is the highest-rated nail salon in Union City?
- M’Jenn Nails & Spa is among the highest-rated nail salons in Union City, with 5.0★ from 81 Google reviews.
- Which nail salons in Union City are open on Sundays?
- 14 of the 15 nail salons in Union City list Sunday hours. Open each salon’s profile to see its exact schedule.
- Do nail salons in Union City take walk-ins?
- 10 of the 15 nail salons in Union City say they accept walk-ins. For the rest, open the salon’s profile or call ahead to check availability.
- How are these nail salons ranked?
- Rankings combine each salon’s Google star rating with how many reviews back it up, so a strong rating supported by hundreds of reviews outranks the same score from only a few. Every listing is sourced from Google Maps.