K & M Doughnut

K & M Doughnut

Reviews Summary

Overwhelmingly positive reviews highlight K&M Donuts as a top-tier spot with consistently fresh, delicious donuts at reasonable prices. Customers rave about the friendly, family-like service and standout items like apple fritters, custard-filled donuts, and ham & cheese croissants. Many call it the best in Rancho Cucamonga. A few note cash-only policy inconveniences or occasional freshness issues, but most agree it’s a gem with exceptional value and quality. Service dog incident and rare stale items are minor critiques amid widespread praise.

About This Listing

Who Can Visit?

Most donut shops welcome all ages—perfect for families and kids
Some locations offer sit-down areas, while others are grab-and-go
No prior ordering knowledge needed—staff can help you choose flavors
Casual dress is welcome—some shops may have outdoor seating
Allergy-friendly options may be available (ask in advance)
Group orders and celebrations welcome—pre-orders may be required

*Note: Seating, menu, and accessibility may vary by shop. Contact your local spot for details.*

First-Time Visitors

First-time guests can simply walk in and browse the display or menu. Staff are happy to offer recommendations and explain specialty flavors. Some shops even offer sample bites or combo deals for newcomers.

Common Considerations:

Allergens Some donuts may contain nuts, dairy, or gluten—always ask if unsure
Availability Popular flavors can sell out early, especially on weekends

*Note: Menus and specials may vary. Ask staff or check online for daily options.*

What to Bring

Cash or card—most donut shops accept both, but some are cashless
Phone or camera—perfect for snapping and sharing your sweet finds
Appetite! Fresh donuts are best enjoyed warm and on the spot

*Note: Payment methods and policies vary by location. Check signage or ask staff.*

Preparing for Your Visit

Check store hours and peak times—early visits offer the best selection
Call ahead for large orders or special boxes
Bring friends or coworkers—sharing a dozen is half the fun
Dress casually—many shops are walk-up counters or offer outdoor seating
Leave pets at home unless it’s a pet-friendly location
Check for limited-time flavors, holidays specials, or preorder events
Set a treat budget if you’re shopping with kids
Bring a reusable bag or box if buying in bulk

*Note: Each shop may offer different experiences—check social media for updates.*

How to Get Started

Most shops accept walk-ins! For custom orders, pre-ordering is best. Ask about gift boxes or subscription options.

Other Helpful Info

Visits usually take 10–30 minutes, unless you're sitting down to enjoy
Weekends can be busier—plan ahead for quicker service
Seasonal or limited-edition donuts often rotate monthly
Some locations offer donut decorating kits or workshops
Gift cards, boxes, and party platters are often available

*Note: Features, pricing, and offerings vary by donut shop. Always check ahead.*

Contact Information

Address

10431 Lemon Ave # E

Alta Loma, California 91737

Hours

Monday 4AM-4PM
Tuesday 4AM-4PM
Wednesday 4AM-4PM
Thursday 4AM-4PM
Friday 4AM-4PM
Saturday 4AM-4PM
Sunday 5AM-1PM

Customer Reviews

It was a cold day today, and I was out walking with my service dog. As I was passing by this place, I thought I?d stop in for a quick cup of coffee and maybe grab a donut to go. But the woman working there was extremely rude and started yelling at me to leave. There?s no sign or information saying dogs aren?t allowed, and I calmly explained that it?s a service dog and I just wanted to buy a coffee. She didn?t care and continued to be very disrespectful. On top of that, the shelves were almost empty?there

We heard they have excellent ham and cheese croissants, so we stopped by for a few dozen to serve at a meeting. **HOWEVER** They only accept cash here. Well, my husband and I neither one had enough cash. SUPER disappointed they didn't say anything until my husband went to pay; no signage either. Poor business model in this day and age.

Such a great donut shop. Really that classic hole in the wall (mean that in the best way possible) donut shop that brings back nostalgia of warm fresh delicious donuts.

A family operated business with simply fantastic doughnuts. I bought a croissant, jelly filled and a apple fritter. $3.10 (WHAAT?) Im usually on businesses that have high price points but this places price point in my opinion is on the low side. I hope people in this area go to this establishment and buy lots of doughnuts cuz (Trust me) this is one Gem you don't want to loose. Apple fritter was crispy on the outside and soft on the inside. (up there with the best I've ever had)

Best donuts around. Saw it when we were fueling up our car. Went on a Sunday late morning. Lots of fresh choices Best custard filled ever. Their fillings are massive so you get it in every bite. We eat donuts all the time and never have we had a half dozen so good.

These are the best donuts in rancho, actually these are the best donuts I?ve ever had. The price is also the best I?ve seen. They were closed on father day so I had to buy from Jax Big mistake, the filled were raw.

Excellent doughnuts and pastries, fantastic service.

The best donut shop in town very friendly and fresh!!!!

Found this place on accident. My son loves donuts and the dunkin donuts across from the hotel were horrible. K&M is super fresh and, in my opinion, under priced for the quality. Friendly service. Came back a second time and had just as good as an experience. Highly recommend.

I just came home from here and while both my donuts tasted good, they could have been fresher. Seemed like they were from yesterday morning..on the hard side. Also, my coffee was so weak and watery I had to make some of mine and add it to it. Plus, what establishment only takes cash these days? Super inconvenient. I don?t think I?ll be back.

I've been to all the donut shops in Rancho Cucamonga (Alta Loma), there are non like K&M. Their donuts are made fresh everyday. The place is super clean, they keeping everything sanitary, not like the other places. They also have the best ham and cheese croissants. I do have one suggestion though, get there early on weekdays, by 10am they're pretty much Sold out. That's how good they are.

Delicious donuts and really friendly service. Highly recommend this spot!

Defenitly the best tasting donut place ive ever been to. Also the best prices around Rancho Cucamonga. They have really good cream cheese with bagels for only $1.25. This place is a gem.

Been going to k&m donuts for 13 years now. . Before work.. best donuts in town

The best shop in town. Fresh donuts, very friendly service, and very fair price.

This place has the best donuts ever and the staff is super friendly Howard is one of the greatest guys I've met if I could give 10 Stars I would thank you Howard and thank you K&M Donuts????

Cheap, delicious doughnuts! Always very polite and welcoming! Never had a bad experience while there.

I love this place the owner is so nice it's like a family when you walk in here I come every morning for decaf coffee and he always has it ready

The donuts are always great, always fresh, and friendly customer service!

Delicious & freshly made daily. 1st come 1st serve. CASH ONLY

Delicious donuts not greasy always fresh friendly service??

Great donuts, ham and cheese croissants were almost empty.

Best service, muffins, donuts : Gandchild approved! Customer requested!.

Best doughnuts in town, family own and operated.

Delicious donuts, awesome muffins, and the best coffee in Rancho!

Love their doughnuts. Cash only!

Great donuts and croissants... Cash only.

They have the best apple fritters!

Fast service. Reasonable price.

Worst cream cheese bagels

Fresh and delicious donuts ??

Frequently Asked Questions

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Are all the donut shops listed verified?

Yes! Every listing is reviewed for accuracy. We prioritize shops with real customer ratings, up-to-date menus, and consistent service.

Can I search by flavor or dietary preference?

Absolutely. Filter by popular flavors (like maple, custard, or vegan chocolate), or search for shops offering gluten-free, keto-friendly, or dairy-free options.

Do these shops offer delivery or pre-orders?

Many do! Listings include details on delivery partners, online ordering, and whether you can reserve boxes for pickup—perfect for gifts or events.

I want to send donuts as a gift. Can I do that here?

Sorry, but we don't support this yet! But we are considering adding this option!

What are “limited-time” or seasonal flavors?

These are exclusive donuts offered for holidays or specific times of year—like pumpkin spice in the fall or strawberry shortcake in summer. Check back often—they go fast!

Is this just for big cities?

Not at all. We’re expanding constantly, including small towns, roadside bakeries, and regional favorites. Sweetness knows no bounds.

What if my favorite donut shop isn’t listed?

Let us know! You can suggest a shop directly from our site. We’ll check it out and add it if it meets our standards for quality and service.