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Chateau Sabelle

2921 Isabelle Street

San Mateo, CA 94403

6 beds • Est. 1997 (28 years)


FYI Safety Score

8.1 Good

2 serious and 2 minor state citations across 5 state inspections, with no substantiated complaints. Last inspected in November 2025.

Safety data last updated July 2026

Part of the FYI Safety Scorecard, the independent safety rating for every California assisted living facility.


Why we like it

Chateau Sabelle is a 6-bed small residential care home in San Mateo. This facility does not appear to have a website.

Contact them directly for details about services, availability, and pricing.

  • Solid safety record

    A mostly clean inspection record: 2 serious and 2 minor citations across 5 state inspections. Nothing here stands out as a red flag, though it's still worth asking how any past issues were resolved.

  • Intimate home setting

    Only 6 beds — a small, personal environment where staff can give individualized attention to each resident.

  • Limited information available

    This facility does not have a website, which limits the information we can provide. We recommend contacting them directly to learn about their services, staffing, and care approach.


Pricing

Assisted Living

1 Bedroom$7,489/mo

Pricing is estimated, please contact the facility to confirm.


Where you'll live

2921 Isabelle Street, San Mateo, CA 94403

Get directions

Frequently asked questions

How safe is Chateau Sabelle?
Chateau Sabelle has a FYI Safety Score of 8.1 out of 10, based on California state inspection records. 4 state citations and 0 verified complaints have been documented since 2021 across 5 inspections.
How much does Chateau Sabelle cost?
Chateau Sabelle starts at $7,489 per month. Contact the facility directly for current pricing, room availability, and care-level costs.
Does Chateau Sabelle offer memory care?
Chateau Sabelle does not currently list Memory Care. Care types available include: Assisted Living.
Does Chateau Sabelle accept Medi-Cal?
Chateau Sabelle is not currently listed as a participant in the Assisted Living Waiver (ALW) program for Medi-Cal.
When was Chateau Sabelle last inspected?
The most recent state inspection visit to Chateau Sabelle was on 2025-11-26. The facility has received 5 total inspection visits on record.
How many violations does Chateau Sabelle have?
Chateau Sabelle has 4 state citations and 0 verified complaints since 2021 across 5 inspections. Our FYI Safety Score for this facility is 8.1 out of 10, which accounts for the severity and recency of these findings.
How long has Chateau Sabelle been in operation?
Chateau Sabelle has been licensed for 28 years in San Mateo, California, with a licensed capacity of 6 beds.

Facility Details

Facility Type
Residential Care Facility for the Elderly (RCFE)
License Number
415600105
Size
6 beds (Small Home (1–6 beds))
Licensed Since
October 14, 1997 (28 years)
Licensee
Castle, Nancy
Administrator
Nancy Castle
Phone
(650) 341-2296
Address
2921 Isabelle Street, San Mateo, CA 94403

License data from the California Department of Social Services, Community Care Licensing Division. View full state record


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$7,489/mo

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(650) 341-2296