Maison Salon Deux and Y Salon & Spa, Side by Side in San Mateo

Two hair salons, one San Mateo market, and a measurable gap: Maison Salon Deux holds 4.8 stars across 102 Google reviews while Y Salon & Spa holds 4.5 across 381. This is what sits behind those numbers, including the parts that could not be verified.

The common ground

Both are hair salons serving San Mateo, both appear in Google's local results for the category, and both have enough reviews behind them that neither rating is guesswork. Either will do the core service you are booking. If you live between the two, distance is not the deciding factor.

The real difference

The rating gap comes first. 4.8 against 4.5 is a 0.3-star difference, and it is built on 102 reviews versus 381. The second difference is how much each is willing to put in public. Maison Salon Deux publishes 13 services with a price on every one. Y Salon & Spa publishes no menu we could find, which is less a criticism than a fact about what you can know before you walk in.

Side by side, on the record

"Not stated" below means exactly that: the claim is not made anywhere a customer could hold them to it. It is not an accusation, and it may simply mean the information lives on a wall inside the business.

Where Y Salon & Spa still shines

381 reviews is a real customer base, not a thin listing, and a hair salon does not reach that number without regulars who keep coming back. A 4.5 average also hides a distribution: plenty of those reviews are five stars. If you already have someone there who knows your preferences, nothing above is a reason to switch. Nothing here is a criticism of the business.

The question behind the search

Most people comparing two San Mateo hair salons are not asking which is better in the abstract. They are asking something narrower: will this appointment be worth the money and the hour, and will I know the price before I am in the chair?

On the first half, Y Salon & Spa has the larger sample at 381 reviews, so its average is the more settled of the two. Maison Salon Deux's 4.8 rests on 102 reviews, which is a smaller but still substantial base. On the second half, only one of them answers in public. A published price is a commitment. An unpublished one is not necessarily higher, but it is an unknown, and on a first visit an unknown is a cost of its own.

Where Maison Salon Deux does not lead

Maison Salon Deux is not the highest-rated hair salon in San Mateo. Glow Hair Design sits ahead on average score with 5 stars from 83 reviews. The case for Maison Salon Deux is not that nothing beats it. It is that it leads Y Salon & Spa on the measures above and publishes what it charges.

Making the call

If you want the most evidence before booking, Maison Salon Deux gives you more to go on: a higher rating, a published price for all 13 services, and online booking. If you already have a trusted regular at Y Salon & Spa, stay. If you are choosing cold and price matters, only one of them will tell you the price before you arrive.

Figures come from Google Business listings and each business's published menu, checked in October 2026. Ratings move. Check the current numbers before you book.

Ratings and review counts are Google's own and were checked in October 2026; Google rounds larger review counts, so treat them as approximate. Figures change. If you are one of the businesses named here and something is out of date or wrong, tell us and we will correct it.