Barndominium Builders in Tempe, Arizona
Tempe is ringed on every side by neighbouring cities, so we will be plain about it: large vacant lots inside the city are rare, and most buyers who want acreage end up looking beyond it. What we do in Tempe is narrower and still worthwhile. We rebuild on lots owners already hold, add a steel-framed shop home or garage behind an existing house where the zoning allows it, and ship barndominium kits to owners who have found land further out. Tempe's Building Safety division reviews plans and issues the permit once the drawings comply, and the city moved to the 2024 International Codes on 1 July 2026. Until 31 December 2026 an application may still be filed under either the 2018 or the 2024 set; from 1 January 2027 only the 2024 codes apply. That window matters if your drawings are already underway. For acreage, look beyond the city to unincorporated Maricopa County, where the county permits the work. If you are weighing barndominium contractors near Tempe for a project outside it, we cover that ground too. Use the survey to tell us what you own or what you are looking for.
Tempe at a glance
- Principal county
- Maricopa County
- Building permit
- City building department
- Local facts on this page
- 5, each linked to its source
Before you build in Tempe
The local answers that shape a build here, each taken from the office or document that publishes it. Rules change, so we confirm them again against your parcel before drawing.
City of Tempe Community Development, Building Safety Division
In Tempe, Building Safety plan review checks construction documents against the codes and ordinances the city has adopted, and a permit may be issued once they comply. Minor single-family projects may qualify for over-the-counter review through the city's online Citizen Access Portal. A new home goes through plan review. Land outside the city is permitted by its own jurisdiction.
Source: Single-Family Residential | City of Tempe, AZ (tempe.gov)
- Code edition and transition
- The City of Tempe adopted the 2024 International Codes, the 2023 National Electrical Code and local amendments effective 1 July 2026. Through 31 December 2026 permit applications may be submitted under either the 2018 or the 2024 adopted codes; from 1 January 2027 every application must comply with the 2024 set.
- Plan review and permits
- Tempe's single-family residential page says plan review determines compliance with the codes and ordinances the city has adopted, and that a permit may be issued once the construction documents comply. Minor single-family projects may be eligible for over-the-counter review, handled electronically through the Citizen Access Portal.
- Preapproved Housing Plan Program
- Tempe lets vendors submit ADU and single-family standard plans for preapproval without site-specific information. An owner who picks one arranges its use with the vendor and still makes a formal building permit submittal with site-specific details; the city notes that modifying a standard plan may require additional review.
- City water supply
- Tempe's Water Resources Section, which handles the city's water rights, contracts and assured water supply planning, says the Salt River Project provides approximately 90% of Tempe's water supply in a typical year.
- Septic beyond the sewer
- For a rural lot outside city sewer, Maricopa County Environmental Services reviews new septic systems in two phases, a site and soils inspection and then a Notice of Intent to Discharge, and issues a Discharge Authorization before use. The county notes many building offices need that septic approval ahead of the building permit.
Source: Building Codes and Amendments | City of Tempe, AZ (tempe.gov)
Source: Single-Family Residential | City of Tempe, AZ (tempe.gov)
Source: Preapproved Housing Plan Program | City of Tempe, AZ (tempe.gov)
Source: Water Resources Section | City of Tempe, AZ (tempe.gov)
Source: Onsite Wastewater (Septic) Program Guidance for Homeowners (maricopa.gov)
Building on land near Tempe
Inside Tempe, a barndominium is really a question about an existing lot: what the zoning district allows for height, coverage and setbacks, and whether a two-story shop fits behind the house. The city's standard-plan program can shorten design time for a detached unit, although the site-specific permit is still required. For land, the realistic search is outside the city. On unincorporated Maricopa County acreage the county handles zoning and the building permit, and a lot without sewer needs a county septic approval after a site and soils inspection. Water becomes a parcel question there too: a provider's service line, a shared well or a private well. Metal building homes suit that kind of land well, and we check each of those answers before pricing.
Other locations in this part of Arizona
Phoenix & the Valley
Barndominiums we build in Tempe
Turnkey builds, kit packages and pole barn homes, drawn to the design figures and codes of the office that permits your land. The parcel decides the budget more than the floor area does, so we quote against your land rather than a rate card.
Turnkey Builds
Turnkey barndominiums in Arizona, raw land to keys: plans, permits, site work, a steel shell and the finish-out, built by us on one contract.
Barndominium Kits
Steel barndominium kits for Arizona land: a red-iron shell drawn to your jurisdiction's wind and snow figures, delivered and put up by our crews or yours.
Pole Barn Homes
Pole barn homes in Arizona, built as real houses: post-frame spans on concrete, termite protection for wood, and a wall that handles the desert heat.
Have land in or near Tempe? Tell us about the parcel and what you want to build, and we will check it against the local rules before anything is drawn.
Building in Tempe: questions
Start the surveyHow much does it cost to build a barndominium near Tempe?
Do I need a building permit for a barndominium in Tempe?
Can I build a steel barndominium on land outside Tempe?
Which nearby places do you serve?
Keep reading
What usually comes next once you know what Tempe allows.
Barndominium Cost Guide
Sourced per-square-foot ranges by tier and size, and what moves the number on your land.
Read itIs a Barndominium Legal in Arizona?
Zoning, septic and who inspects, before you buy the land.
Read itHow Long Does It Take?
From parcel to move-in, and which steps set the clock.
Read itSources for this page
The published pages behind the Tempe facts above. Rules change, so check the current version with the office before you rely on it.
- Single-Family Residential | City of Tempe, AZBuilding permit authority; Plan review and permitstempe.gov
- Building Codes and Amendments | City of Tempe, AZCode edition and transitiontempe.gov
- Preapproved Housing Plan Program | City of Tempe, AZPreapproved Housing Plan Programtempe.gov
- Water Resources Section | City of Tempe, AZCity water supplytempe.gov
- Onsite Wastewater (Septic) Program Guidance for HomeownersSeptic beyond the sewermaricopa.gov
Barndominiums near Tempe
Nearby places we also cover. Across a city limit or a county line the permit office, zoning and septic rules can change, so each has its own page.
Building in Tempe?
Start with the survey. Tell us where the land is and what you want on it, and we will come back with which office permits it, what it will allow, and a plan to fit.