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Child care center 

Building Kidz of San Mateo

39 E 39th Avenue, San Mateo, CA 944035.0· 12 reviews
licensed capacity
86
open each week
5 days
a week, county median
$555
year first licensed
2026
Call (650) 212-5439WebsiteDirections

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Licensed by the stateInspection record

About

About Building Kidz of San Mateo

Building Kidz of San Mateo is a licensed child care center in San Mateo, California. The state has licensed it since May 4, 2026, for up to 86 children.

It is open Monday to Friday, 7:00 AM to 6:00 PM. It describes a Bilingual / immersion approach, with infant care, preschool and toddler care.

California Department of Social Services, Community Care Licensing Division lists 1 visit since Apr 2026, with no Type A or Type B citations in its published counts.

InfantsSecure entryBilingual program
Ask when you call: rates, current openings, staff-to-child ratio, teacher qualifications and whether it accepts child care subsidies.
Type
Child care center
Ages
6 weeks to 6 years
Hours today
Closed today
Licensed capacity
86 children

Hours

Hours

Monday7:00 AM to 6:00 PM
Tuesday7:00 AM to 6:00 PM
Wednesday7:00 AM to 6:00 PM
Thursday7:00 AM to 6:00 PM
Friday7:00 AM to 6:00 PM
SaturdayNot listed
SundayTodayNot listed
Hours it lists: “Mon-Fri: 7:00am-6:00pm”

Programs

Programs and care

Ages6 weeks to 6 years
ProgramsInfant care, preschool and toddler care
ApproachBilingual / immersion (English & American Sign Language (ASL))
EnrichmentMusic, theater, dance
SafetySecured entrances
Parent updatesParent app (Building Kidz Connect)
Licensed capacity86 childrenFrom the state license
A daycare without an item may still offer it; ask.

Cost

Tuition and costs

Building Kidz of San Mateo has not listed its tuition. For comparison, full-time infant care at a child care center in San Mateo County has a median price of $555 a week (U.S. Department of Labor, 2022).

Ask the daycare for its ratesIt has not listed its tuition. The county medians below are a starting point.
San Mateo County medians, full time, per week

Infant

Center$555
Home daycare$375

Toddler

Center$397
Home daycare$357

Preschool

Center$437
Home daycare$396

School age

Center$439
Home daycare$363

County median full-time prices at centers and home daycares, U.S. Department of Labor, National Database of Childcare Prices, 2022 (the latest year). Not this daycare's rates; prices have risen since.

State record

Inspection reports for Building Kidz of San Mateo

California Department of Social Services, Community Care Licensing Division lists 1 visit to Building Kidz of San Mateo since Apr 2026. Its published counts show no Type A or Type B citations for those visits.

License

Status
Licensed and operating
License type
Child care center
Capacity
86 children
First licensed
2026
License number
#414005340
See the state's record

Summary

1 visit since Apr 2026 · Last visit Apr 22, 2026

Type A citations 0 · Type B citations 0, as the state counts them

A cited rule is what an inspector found on the day of a visit. It is not a rating of the daycare today.

Own this daycare? Add your response to the state record

See all 1 visit
  1. Apr 22, 2026Visit

California Department of Social Services, Community Care Licensing Division publishes how many Type A and Type B citations each visit produced, not the rule text. The state defines Type A as a violation that is an immediate risk to children's health, safety or personal rights, and Type B as one that could become an immediate risk if not corrected.

Copied from California Department of Social Services, Community Care Licensing Division on October 1, 2026; the state's records start around Jan 2021. Rule wording, severity and dates are the state's.

Reviews

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FAQ

Questions about Building Kidz of San Mateo

Is Building Kidz of San Mateo licensed?

Yes. California Department of Social Services, Community Care Licensing Division lists it as licensed and operating, first licensed May 4, 2026.

Does Building Kidz of San Mateo have inspection violations?

California Department of Social Services, Community Care Licensing Division lists 1 visit to Building Kidz of San Mateo since Apr 2026. Its published counts show no Type A or Type B citations for those visits.

How many children can Building Kidz of San Mateo care for?

86, the licensed capacity on the state record.

What are Building Kidz of San Mateo's hours?

Monday to Friday, 7:00 AM to 6:00 PM. Holiday hours can differ.

How much does Building Kidz of San Mateo cost?

It has not listed its tuition. Call (650) 212-5439 to ask.

What is Building Kidz of San Mateo's phone number?

(650) 212-5439.

Where is Building Kidz of San Mateo?

39 E 39th Avenue, San Mateo, CA 94403. The nearest other daycare we list is A+ Immersion Preschool II, 0.2 miles away.

Sources: California Department of Social Services, Community Care Licensing Division (license and visits) · U.S. Department of Labor, 2022 (county prices).