Child care center

Happiness Hill Preschool and Day Care

Castro Valley · Licence status: active

Licensed for

123

children at one time. This is the state’s limit. It is not the number enrolled now.

Not scored

Preschools aren’t tested, scored or ranked.

Source: California Department of Social Services, Community Care Licensing · facility roster as of May 25, 2025.

State licensing

What does the state record about Happiness Hill Preschool and Day Care?

The state lists this licence as active.

Child Care Center

Active
Licence number10200263
  • Licensed capacityThe most allowed at once, not current openings or group size123 children

AskWhen was your last state licensing visit, and what did it find?

A licensing record shows what state inspectors checked. It does not describe teaching or a child’s day. Source: California Department of Social Services, Community Care Licensing · facility roster as of May 25, 2025. Check the state’s current inspection records ↗ (opens in a new tab)

Cost

We have no prices.

Ask for the weekly or monthly rate and what it includes.

AskWhat does a year cost in total, and when could our child start?

Read the preschool cost guide →

TK and kindergarten

When could free TK start instead?

The September after they turn 4. California’s public transitional kindergarten (TK) is free for children who turn 4 by September 1.

The 5 nearest public elementary schools with a TK class

See all 7 TK campuses in Castro Valley →

Each percentile compares a school with California schools at its own level. 75 is the typical California school. 100 is the best result in the state. Distance is a straight line. It is not an attendance boundary. Check TK and kindergarten entry with the district. Source: California Department of Education, state tests (CAASPP), spring 2026, and the state’s TK enrollment counts.

Next steps

How do I visit Happiness Hill Preschool and Day Care, and what should I ask?

Call (510) 537-0773 and ask to visit during the day, while children are there.

  1. When was your last state licensing visit, and what did it find?
  2. The licence allows 123 children. How many children share your child’s room, and with how many adults?
  3. Which ages do you take, and how does a new child settle in?
  4. What are the daily hours and closure dates, and is there care before or after?
  5. What does a year cost in total, and when could our child start?

On a visit, watch how adults talk with children, how play and rest are set up, and how staff handle a hard morning.

20600 John Drive, Castro Valley 94546Call (510) 537-0773Get directions ↗

Other licensed programs

Which other preschools are nearby?

These are the 5 nearest licensed programs. Open one to read its state record.

See all preschools in Castro Valley →

Distance is a straight line from Happiness Hill Preschool and Day Care. Capacity is the most children the state allows at one time. Source: California Department of Social Services, Community Care Licensing.

Short answers to 6 common questions

Is it licensed?

Yes. It holds an active child care center licence, number 10200263. See the details ↓

Has the state found problems?

We don’t know. Our inspection source holds no visit record for this licence. That doesn’t mean the record is clean; the state’s licensing site has it. See the details ↓

How many children are there?

Up to 123 children at once under the licence. That’s the state’s maximum, not current enrollment; ask how many are enrolled and their ages. See the details ↓

What does it cost?

We have no source for its prices. Ask for the weekly or monthly rate and what it includes. See the details ↓

When could my child start free TK instead?

The September after they turn 4. TK is free at public elementary schools for children who turn 4 by September 1. 7 public and charter campuses in Castro Valley have a TK class. See the details ↓

How do I visit?

Call (510) 537-0773 and ask to visit during the day, while children are there. See the details ↓

Where these records come from

The inspection source covers child care centers, not family child care homes. Check each license’s sync date and the current state reports, then confirm routines and enrollment with the program.

Data source: California Community Care Licensing Division (CCLD) · facility roster as of May 25, 2025

Inspection reports ↗ · Parent reviews on Winnie ↗ · Pre-K vs TK vs preschool in California: a 2026 parent’s guide · Montessori, Waldorf and Reggio