# Building Kidz (Inf)

Building Kidz (Inf) is a licensed infant center (child care center) in San Mateo, CA serving ages Infant, Toddler, with 16 licensed seats. It is regulated by CA CDSS.

## Key facts
- Status: Closed 2026-05-04
- Address: 39 E. 39th Avenue, San Mateo, CA 94403

- Ages: Infant, Toddler
- Capacity: 16
- License/permit: 414004237
- Operator: [J&AA, INC](https://www.kinfield.site/operator/ca-j-and-aa-inc) — runs 2 programs
- Phone: (650) 212-5439

- Official regulator profile: https://www.ccld.dss.ca.gov/carefacilitysearch/FacDetail/414004237

## Inspection record
5 findings across 7 California licensing visits (2022-08-01 to 2025-10-16); 0 rated serious; 0 open at last record.
- 2025-07-07 — Facilities & equipment, Type A/B not published per citation, Correction was due Jul 28, 2025: Infant Care Center Sleeping Equipment (§101439.1(b)(1)) (§101439.1(b)(1); [type](https://www.kinfield.site/violation/ca-t22-101439-1-b-1))
- 2025-07-07 — Facilities & equipment, Type A/B not published per citation, Correction was due Aug 7, 2025: Outdoor Activity Space (§101238.2(d)(1)) (§101238.2(d)(1); [type](https://www.kinfield.site/violation/ca-t22-101238-2-d-1))
- 2025-07-07 — Records, permits & program, Type A/B not published per citation, Correction was due Jul 28, 2025: Infant Care Activities (§101430(a)(3)(E)) (§101430(a)(3)(E); [type](https://www.kinfield.site/violation/ca-t22-101430-a-3-e))
- 2025-07-07 — Staff qualifications & clearances, Type A/B not published per citation, Correction was due Jul 28, 2025: Personnel Requirements (§101216(f)) (§101216(f); [type](https://www.kinfield.site/violation/ca-t22-101216-f))
- 2025-07-07 — Supervision & ratios, Type A/B not published per citation, Correction was due Jul 21, 2025: Responsibility for Providing Care and Supervision for Infants (§101429(a)(2)(C)) (§101429(a)(2)(C); [type](https://www.kinfield.site/violation/ca-t22-101429-a-2-c))

## Sources
- ca_ccld_child_care_centers record 414004237 (verified, retrieved 2026-11-06): https://www.ccld.dss.ca.gov/carefacilitysearch/FacDetail/414004237

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Source page: https://www.kinfield.site/facility/ca-ccld-414004237 · Kinfield — Childcare Intelligence. Facts come from public regulator records; historical inspection data is labelled. Missing data never means no issue exists.