Unincorporated King County · Licensed center

Happy Hearts Montessori

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What the state has found

The state cited rules at 2 of its 3 licensing inspections since March 2024. It lists no valid complaint about this center.

Of the 406 Seattle-area centers with 3 licensing inspections, 36% had rules cited at 2 of them, as this center did. 33% had rules cited at all 3, 11% at none.

Licensing inspections

Mar 16, 20262 citations

  • “Licensor observed that the provider did not have an EpiPen that was required in a child's Individual Care Plan.”

    WAC 110-300-0186(2)

  • “Licensor observed that a child's file was missing the address and phone number of their emergency dental and primary care provider.”

    WAC 110-300-0460(3)

May 7, 2025No rules cited
Mar 20, 20242 citations

  • “Licensor observed garden tools in one outdoor play area accessible to children.”

    WAC 110-300-0260(5)

  • “Licensor observed a rolled up wifi cord accessible to children. 0165 (2d) Licensor observed plastic bags with draw string straps used to store sleep mats were laid on the floor accessible to children while staff prepared children for nap time. 0165 (5e) Licensor observed a surge protector was accessible to children. 0165 (5f) Licensor observed a power surge with extension cord was accessible to children.”

    WAC 110-300-0165(2)(d)

Read every record and the state’s reports

State record — Washington DCYF

Last visit
March 16, 2026
On file
3 visits since March 2024 — 1 cited nothing
Most serious
Serious — Licensor observed that the provider did not have an EpiPen that was required in a child's Individual Care Plan. · March 16, 2026

Washington DCYF publishes the licensor’s own observation and a risk level for every citation it issues at a licensing visit, with the inspection report attached as a PDF.

Mar 2026 Licensing visit 2 findings

Licensing visit · March 16, 2026

Child records

WAC 110-300-0460(3) · Short Term

Licensor observed that a child's file was missing the address and phone number of their emergency dental and primary care provider.

Food allergies and special dietary needs

WAC 110-300-0186(2) · Serious

Licensor observed that the provider did not have an EpiPen that was required in a child's Individual Care Plan.

Report (PDF)

May 2025 Licensing visit nothing cited Report (PDF)
Mar 2024 Licensing visit 2 findings

Licensing visit · March 20, 2024

Storage of hazardous and maintenance supplies

WAC 110-300-0260(5) · Serious

Licensor observed garden tools in one outdoor play area accessible to children.

Safety requirements

WAC 110-300-0165(2)(d) · Serious

Licensor observed a rolled up wifi cord accessible to children. 0165 (2d) Licensor observed plastic bags with draw string straps used to store sleep mats were laid on the floor accessible to children while staff prepared children for nap time. 0165 (5e) Licensor observed a surge protector was accessible to children. 0165 (5f) Licensor observed a power surge with extension cord was accessible to children.

Report (PDF)

Shortlist replaces people’s names in the state’s text with initials. This is done by rule, not by hand, so it can miss a name or shorten a word that isn’t one. The state’s report, linked on each row, has the original.

Openings, Working Connections subsidy, teaching approach, and ratios and staff aren’t on this page.

What it costs

From $1,660 a month

Seattle-area comparison hidden until they say which age this price is for.

Half day
$1,100 a month
Application fee
$550
Siblings
10% tuition discount for younger siblings

A day here

Hours
8:30 AM to 3:30 PM, 5 days a week, school year
Meals
Full-service lunch and snack included in tuition
Updates for parents
Parents/pick-up family members must have a classroom app installed on their phones
Schedule
full-day, half-day

Policies

When a child is sick
Keep home with fever over 100 degrees, vomiting or diarrhea in the prior 24 hours; fever-free without medicine for 48 hours before returning; 24 hours on antibiotics before returning
Enrollment
withdrawal requires 60 days' written notice; tuition owed through the notice period; enrollment may be suspended/denied if account is delinquent beyond 30 days

Details

(253) 802-6657

Website
happyheartsmontessori.com
Address
23855 SE 216th St
License
PL-19279, active
Quality program
Early Achievers Enrolled
Ages they serve
Ages 2½ to 6 years (Primary Program)

Nearby

Programs in Unincorporated King County on the Seattle guide

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Sources and dates

Where every fact on this page came from, and when Shortlist last checked it against that source. Anything Shortlist could not source is named here rather than left blank.

What it costs

State record

From Washington DCYF’s published reports, last checked October 10, 2026.

A day here

Policies

Details

Medium means the middle half of Seattle-area’s 859 licensed centers by state-licensed capacity: 41 to 114 children. Small is 6 to 40; large is 115 to 323.

The ages on the license are what the state licenses it to care for, which can be wider than the ages it takes.

Nearby

The other centers’ visit lines are from Washington DCYF’s published reports as Shortlist read them on October 10, 2026.