The options
| Situation | Typical approach |
|---|---|
| Main system has capacity | Connect the casita, if allowed |
| Main system at capacity | Upsize tank and/or field |
| Casita far from the house | A separate system, where permitted |
Things that affect it
- Number of bedrooms in the house and casita
- Lot size and setbacks
- Groundwater depth
- Village rules for accessory dwellings
Plan before you design
Where the casita can go may depend on where septic can go. Call (505) 510-5271 early in the planning.
Common questions
Can my casita share the main septic?
Sometimes, depending on capacity and rules.
Does a casita count as more bedrooms?
For septic sizing, usually yes.
Do you coordinate with my builder?
Yes.