Happy family with nanny

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.

Looking for jobs? Apply here.

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.

Profile photo
Daniela $25 per hour for 1 child
Booked by 1 family in Mercer Island, WA

Hello there, I'm from Colombia, specifically from the region known as the Coffee Triangle. I moved to Seattle in 2021 as an Au Pair, I worked and lived with 2 wonderful families. I just finished my first year of a masters program in Learning Sciences and Human Development at UW. For my summer break I am offering childcare, senior care, household services and pet care to help save up some money. I find it meaningful to work with children, I love learning with and from them. I have experience with infants, toddlers and kids. I enjoy spending time outside, reading, and following the kid's interests. I am willing to try Senior Care. I'm a good listener, attentive and patient. I can cook, clean, organize and do other tasks. I am comfortable taking care of cats and friendly dogs. I could work as a household assistant too. I'm a native Spanish speaker with a Bachelors Degree in Modern Languages. I can offer Spanish tutoring services, I'm hoping to get a head start on my career in education. I'd love to hear more about you and your families needs, I hope we can be a good match.

Profile photo
Lavina $30 per hour for 1 child

I am an Irish lady 2 grown up children and 2 grandchildren have yrs experience with kids love working with them and playing games and nature walks and parks I also do light household chores .

Profile photo
Tsehai $23 per hour for 1 child

Hello my name is Tsehai and I am childcare provider and teacher to grade school student. I am a recent ECE graduate from Western Washington university. I have worked with children for over ten years and love everything about my job. I am very active and I enjoy being outside in nature and doing hands on activities with my students and clients. My availability is open as of now and I am flexible!! Thank you.

Profile photo
Tsigereda $25 per hour for 1 child

“Hi my name is Tsigereda, Compassionate CNA with senior and child care experience. Patient, reliable, and dedicated to providing safe, supportive, and personalized professional care.”

Profile photo
Will $25 per hour for 1 child

Hi! My name is Will. I have been an after teacher in South Korea for the last ten years and given the nature of theses roles, I have become adept at supervising and caring for school age children. I am responsible, transparent and orderly, but I like to have a fun side too. I also enjoy sharing knowledge with people of all ages about my travels around the world and in particular, my time in South Korea. Before living in South Korea, I was often trusted with looking after the neighbours' dogs or cats, and was available to help with chores people might have: moving, cleaning, gardening, errand running. Therefore, I have shown myself to be a trustworthy and attentive person to help take care of things. If you have any questions or queries, do let me know. Everybody's case is different so I am here to cater for your needs!

Live near a college or university? View nannies by college

Nanny with children

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

Family with caregiver

Find the perfect nanny in Mercer Island

Create a free account to view full profiles and more.

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.

As seen on