height of forty (40) feet for principal buildings and twenty-five (25) feet for accessory buildings , except that these heights may be exceeded by any legal buildings as they existed at the time of annexation. 2. **Yards.**
Read it in the chapter →How this ordinance defines it
The operative definition is the local one. Codes routinely subdivide a category into tiers — “day care 2, family”, “group home 2” — and attach different permissions to each, so only Merced’s own text settles what this covers.