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Find nannies in Mercer Island, WA

Connect with nannies loved by families in Mercer Island. Compare experience, references, availability, and rates to find your fit.

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244 experienced nannies in Mercer Island, WA

Families in Mercer Island use UrbanSitter to find full-time, part-time, and live-in nanny care.
107 available this week | Avg weekly rate: $1,096.00/wk

Every nanny is background checked annually and their profile is individually reviewed by our Trust & Safety team. Learn more.

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Carla
Booked by 39 repeat families
42 reviews
$30 per hour for 1 child
Booked by 82 families in Mercer Island, WA

Hi, families! I'm Carla, and I have over 10 years of childcare experience caring for children from newborns to 9 years old. My background includes working as a nanny, babysitter, math and science tutor and party decor and entertainments. I'm the owner of Seattle Kids Party, where I create balloon decorations and provide fun entertainment for children's birthday parties, baby showers, and other special events, including bubble activities and custom party décor. If you're planning a celebration, I'd be happy to help make your child's special day even more memorable! I also host community events every month. Feel free to follow us on Instagram to stay updated on upcoming events and party inspiration. 😊 @seattlekidsparty [removed]

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Ana Valentina
Booked by 10 repeat families
13 reviews
$30 per hour for 1 child
Booked by 19 families in Mercer Island, WA

Hi families! I hope you’re all doing well and staying healthy. :) Here’s a bit about me: ✔️ I have a degree in Humanities and Spanish Language, and I worked as a teacher for nearly three years in my home country. ✔️ I recently completed my certification as a Maria Montessori Teacher and worked at Bellevue Maria Montessori School. ✔️ I was an au pair for two and a half years, caring for children of various ages—from infants to toddlers. ✔️ I have nearly 5 years of experience working as a nanny. ✔️ With my background as both a teacher and a nanny, I bring strong knowledge of pedagogy and a variety of creative, age-appropriate learning activities. ✔️ I’m responsible, creative, and respectful. ✔️ I’m pet-friendly and a non-smoker. ✔️ I have my own vehicle. ✔️I am willing to help with the light cleaning of the house.

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Emily
Booked by 3 repeat families
1 review
$25 per hour for 1 child
Booked by 3 families in Mercer Island, WA

Hello! My name's Emily, and I'm a recent graduate from the University of Washington. I've mainly worked with children in the K-5 age range, but I'm very open to babysitting children of younger ages as well! Most recently, this last summer I was employed as an Assistant Instructor at IslandWood, an environmental education day camp on Bainbridge Island. I've also worked as an After-School Counselor at Wedgwood Elementary School. Additionally, I have past experience as a babysitter with middle-school aged children. I have a Honda CR-V with four seats (three in the back seat, one in the front seat if old enough) if any type of driving is needed. If you would like to talk further or have any questions, feel free to contact me!

“The boys loved Emily. She did a great job. ”

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Emily
Booked by 1 repeat family
1 review
$35 per hour for 1 child
Booked by 1 family in Mercer Island, WA

FYI I am located in the Fremont area and do not have a car. Only accepting clients in Seattle proper unless transportation is otherwise coordinated. Thank you! Hi! I’ve been caring for kids, pets, and helping households in different ways for many years. I started babysitting in high school and continued on and off through college, and also worked as a camp counselor in high school with kids going into kindergarten. I’m additionally a proud aunt to two boys (Ian is 3, and Ellis was just born on May 2!) and have spent a lot of time caring for and babysitting them over the years. I’m naturally very creative, patient, attentive, and emotionally aware, and I care a lot about making sure kids feel safe, listened to, respected, and genuinely seen. I’m also reliable, responsible, and organized, so parents can feel comfortable knowing things will actually be handled well and consistently. I enjoy engaging with kids in a real way rather than just supervising them passively, whether that means creative activities, outdoor time, games, helping with routines, or simply being a calm and supportive presence. Animals have also been a huge part of my life. I grew up with dogs, worked at a dog groomer in high school, fostered dogs through the ASPCA and Furever Home Rescue in New Jersey, and adopted my own rescue dog through Big Dog Rescue Project in 2020. I currently work professionally through Rover and have experience with walks, drop-ins, overnight care, routines, medication support, and caring for pets with different personalities, needs, and energy levels. I take pet care very seriously and understand how important trust, communication, safety, and consistency are when someone is caring for a beloved animal. Beyond caregiving, I’m also highly organized and happy to help with general household support such as tidying, organizing, errands, light cleaning, meal prep, pet-related cleanup, receiving deliveries, watering plants, or helping keep things running smoothly overall. I’m adaptable, detail-oriented, calm under pressure, and genuinely enjoy helping create a more peaceful and supported environment for people. I’m new to Urban Sitter and haven’t collected reviews here yet, but you can find reviews on my Bambino babysitter profile, or check out my LinkedIn page. Happy to provide both to you when we connect.

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Anna-Marie $25 per hour for 1 child

Currently working in a preschool as a substitute, I have an open schedule here and there! Overall, I have a background of five years working at summer camps, two years in an after-school program, and extensive babysitting experience. I bring a wealth of knowledge in childcare. I enjoy connecting with children through arts and crafts and am known for my friendly and attentive personality. I’ve worked with children of all ages, including those with special needs, and I’m well-informed about diverse developmental needs, ensuring every child feels safe, respected, and encouraged to express themselves. In addition to my experience with children, I have a strong background in caregiving for adults with special needs, which has deepened my ability to provide patient, compassionate, and attentive care. Additionally, I have experience taking care of pets of all kinds, making me adaptable to any household situation. My goal is always to create a nurturing, enjoyable environment where both children and parents feel confident and comfortable.

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How much does a nanny cost in Mercer Island, WA?

  • Average weekly cost for 1 child: $1,096.00/wk
  • Average weekly cost for 2 children: $1,287.60/wk
  • Part-time nanny weekly cost (1 child): $685.00/wk
  • Typical annual salary for full-time nanny in Mercer Island, WA: $56,992.00/yr

As of October 2026

Recent nanny activity in Mercer Island, WA

Hiring a nanny starts with trust

Every nanny’s profile is individually reviewed by our Trust & Safety team after an annual background check. Read reviews from families in Mercer Island to find your fit.

847 nannies background checked in Mercer Island, WA

4.9 average star rating from total of 4,482 reviews in Mercer Island, WA

photo of quoted parent Amy

"We absolutely LOVE Isa — our family was so fortunate to have found her through UrbanSitter. I'm a first-time mom, and it took me a long time to find a full-time nanny I could trust to care for our sweet infant boy. Our boy connected with her immediately, and we couldn't have asked for anyone else to care for him. Her calming presence was also perfect for parents like us who work from home. We feel so lucky UrbanSitter helped us find someone who has truly become a part of our family."

Amy L., mom of one

photo of quoted parent Kamilah

"I was so stressed about finding a part-time nanny for my 14-month-old son, who has moderate separation anxiety and hadn't been left with anyone but family before, but we were both immediately at ease in Buhay's presence. Her empathy and commitment to understanding child development are apparent in every interaction I've witnessed between her and my toddler. I feel very lucky to have found her."

Kamilah W., mom of one

photo of quoted parent Eric

"Erna watched our now 5 year old daughter and 3 year old son for a few years. She is punctual, responsible, honest, and playful. What we appreciated most was that she was thoughtful in ensuring that we had a little break; for example, when the kids were clingy, she was able to divert their attention with games or songs or walks to the park. We felt very comfortable leaving our kids with Erna because of her caring nature and experience that spans a decade (including being a live-in nanny)."

Eric D., dad of two

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Why families find nannies on UrbanSitter

Nannies loved by the Mercer Island community

Meet nannies with reviews and references from families in your Mercer Island school, neighborhood, and parent groups.

Commitment to trust and safety

Every nanny must clear an annual background check, and each profile is individually reviewed by our team.

More affordable than nanny agencies

No placement fees, just a simple membership. You control the process and interview as many candidates as you like.

Profiles that go beyond the basics

See experience, age groups served, special nanny services like infant care and bilingual abilities, plus ratings from parents.

Frequently asked questions about Mercer Island nanny services

How much does a nanny cost in Mercer Island, WA?

As of October 2026, nannies in Mercer Island typically earn $1,096.00 per week for full-time care with one child, and more for two or more children. Part-time nanny costs in Mercer Island typically range from $685.00 per week. Check profiles in Mercer Island for current rates and experience levels.

How do I find a nanny near me in Mercer Island?

Sign up for free, post your job with your schedule and needs, then browse nanny profiles with experience and reviews from local Mercer Island families. Message candidates, schedule interviews, and hire when you find the right fit. Learn more about how it works.

Are nannies on UrbanSitter background checked?

Yes, every Mercer Island nanny must clear an annual background check, and each profile is individually reviewed by our Trust & Safety team. Learn more about what's included in the background check..

What's the difference between UrbanSitter and a Mercer Island nanny agency?

Nanny agencies in Mercer Island often charge placement fees that can total thousands of dollars. On UrbanSitter, there are no agency placement fees, just a simple membership. You can browse available nannies in Mercer Island, interview candidates, and hire directly.

What types of nannies can I find in Mercer Island?

On UrbanSitter, you can find full-time, part-time, and live-in nannies in Mercer Island. Many nannies offer specialized experience including infant care, nanny sharing, bilingual care, and after school coverage. Browse profiles and filter by experience type to find your fit.

Do I need a nanny contract?

A written agreement helps you and your nanny align on schedule, pay, duties, and time off before the job begins. Many families in Mercer Island use a simple contract to set expectations from day one. See our nanny contract template and guide for what to include.

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