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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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Noemi $30 per hour for 1 child

Hi My name is Noemi pronounced Nay-oh-mee I have 7+ years experience in child care (infant to school age) and 2+ years in adult care(HCA). I am a dedicated caregiver with a deep love of supporting families. I enjoy being the helper to the families i have worked for as in tidying up and light house chores while kid(s) are resting to make sure it is a safe environment and also peaceful when you come home! Feel free to ask my any questions or chat some more! I also speak English & Spanish!

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Karina $32 per hour for 1 child

Hi! I'm Karina, a dependable and caring nanny with experience working with children from 9 months to 15 years old. I'm currently looking for a new position starting around August 25, full-time or part-time. Most of my experience is with school-aged kids, both in school environments and at home, supporting routines, pick-up/drop-off, learning, and activities. I'm currently in a full-time role caring for a 21-month-old (since he was 9 months), who will be starting daycare in September. I bring a calm, responsible, and engaging approach to childcare, always focused on creating a safe, positive environment. I'm CPR/First Aid certified, fully vaccinated, and happy to assist with tasks like meal prep, groceries, returns, laundry, and keeping things organized.

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Rafaela $28 per hour for 1 child

Hello ! My name is Rafaela , I’m 27 yo and I have been working with kids for the past 7 years and 2 years with senior care. I consider myself very patient, communicative, committed and organized. I have experience with newborns, infants and toddler’s. I have experience on 3 children at the same time. My last experience was with two girls, when I started taking care of them they were 1 and 4 years old and I took care of them during 2 years . My responsibilities activities that showed different cultures, physical activities, outdoor walking, driving to school, cooking. Open to all kinds of different activities or hobbies that keep them happy and having fun. I love to get outside daily by going for walks, local parks and playgrounds. I am comfortable driving kids to play dates, activities or classes.

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Mesay $21 per hour for 1 child

I am a mother of two beautiful daughters I haves good speaking skills to provide direction or information effectively and good listening skills to understand parents' instructions.

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Blanca $23 per hour for 1 child

About Me I am a caring and responsible mother of three young adults. My childcare experience comes from raising my own children and helping care for my grandson since he was born. I have truly enjoyed the time I have spent with my grandson over the past five years. I love taking him to the park when the weather allows, going on short walks, and spending calm, quality time together in a safe and positive environment. I am patient, dependable, and attentive. I take pride in being trustworthy and providing gentle, supportive care. I have First Aid and CPR training. I have my own car, I am comfortable with pets, and I speak Spanish and English. I can also help with child-related housekeeping. I prefer caring for one child at a time so I can give them my full attention. I would be happy to support your family and provide loving care for your child.

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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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