Tanque Verde is unincorporated Pima County, permitted through Pima County Development Services. Much of the area carries SR, or Suburban Ranch, zoning with parcels from one to five-plus acres, which is why detached guest quarters are far more achievable here than on a city lot. Valdez Custom Builders, Arizona ROC 341570. Call (520) 909-0866.
Can you build an ADU in Tanque Verde?
Usually yes, and these parcels are typically large enough that lot coverage is not the binding constraint. Much of the Tanque Verde Valley carries SR, or Suburban Ranch, zoning, and county zoning on parcels this size is comparatively accommodating toward detached accessory structures.
As with the Foothills, Tucson mailing addresses here do not indicate city jurisdiction. This is unincorporated county land and permits come from Pima County.
Because the parcels are large, placement becomes a genuine design decision. A guest house can be positioned for privacy, view, orientation, and separation from the main house and from any livestock operation, rather than fitted into the only legally available corner.
Washes, septic, and mature vegetation
Drainage. The Tanque Verde Wash and its tributaries run through this area, carrying drainage and potential floodplain implications that affect where a structure can sit and how its foundation must be designed. Regulation aside, building where water moves during monsoon is a bad idea regardless of what a permit allows. We map drainage during site analysis.
Septic capacity. Common on these parcels. Adding a dwelling unit may require capacity evaluation or an expanded leach field, and properties on private wells need yield evaluated before adding demand.
Mature vegetation. Established mesquite bosques are a large part of why these properties feel the way they do. Protecting root zones requires actual planning around equipment routing and material staging rather than an afterthought.
Livestock. Construction sequencing has to account for animals remaining on the property throughout, including keeping access clear and containing dust and noise near corrals and stalls.
What it costs to build here
Tanque Verde guest houses generally run $120 to $250 per square foot, or about $90,000 to $200,000 for a 600 to 800 square foot unit.
Site work carries a larger share than on a city lot because of utility distance and access. Many properties here also want the guest house detailed to match an existing barn or main house, and a fair number of the homes are 1970s slump-block ranch construction, which affects how materials are matched.
Where we build in Tanque Verde
The Tanque Verde Valley, Forty Niner Country Club Estates, Agua Caliente, and the horse properties running east toward Redington Pass.
How we handle it
Parcel and zoning verification
We pull your parcel record, confirm the governing authority, and establish what your zoning, lot size, setbacks, and existing coverage actually permit before anyone draws anything.
Design and approvals
Floor plans, elevations, and structural details produced to satisfy Pima County Development Services.
Permitting
We submit, respond to plan review comments, and follow the application through to issuance.
Construction and inspections
Site work through final, with every required inspection scheduled and passed in sequence.
Frequently asked questions
Can I build a guest house on my Tanque Verde property?
Usually yes. Parcels here are typically large enough that lot coverage is not the constraint, and much of the area carries SR, or Suburban Ranch, zoning that is comparatively accommodating toward detached structures. The practical limits are septic capacity, water source, wash drainage, and utility distance.
Who issues permits in Tanque Verde?
Pima County Development Services. Tanque Verde is unincorporated Pima County, and Tucson mailing addresses in this area do not indicate City of Tucson jurisdiction.
How do washes affect where I can build?
The Tanque Verde Wash and its tributaries carry drainage and potential floodplain implications that can affect placement and foundation design. Beyond regulation, building in a path where water moves during monsoon is inadvisable regardless of permitting. We map drainage during site analysis.
Can you build around horses on the property?
Yes. We sequence construction to account for animals remaining on site, keeping access clear and containing dust and noise near corrals and stalls. Equestrian properties are a regular part of our Tanque Verde work.