Unincorporated Cibola County, New Mexico has no county building department, so the state Construction Industries Division (CID) issues the building permits generally required before construction12. Cibola County has no zoning ordinance, so many common zoning limits do not apply in unincorporated areas, although state codes and county environmental-safety and floodplain rules still do34. The New Mexico Environment Department handles septic permits through its local field office5.
At a glance
- Building permit
- Required, issued by the state Construction Industries Division since Cibola County has no county building department1
- Zoning
- No county zoning ordinance in unincorporated areas; Ordinance 2020-01 regulates lighting, water conservation, dumping, litter/refuse and dangerous buildings; Grants and Milan have their own zoning6
- Septic permits
- New Mexico Environment Department, Onsite Wastewater Bureau; homeowners may self-install simple conventional systems after passing a written test78
- Owner-builder electrical work
- A homeowner may apply for an electrical permit after submitting plans, passing the CID exam with at least 75%, and agreeing to do the work personally9
- RV living and camping
- No county zoning-based restriction in unincorporated areas; floodplain, wastewater, health, road and other rules still apply1011
- Tiny and manufactured homes
- No county zoning-based restriction in unincorporated areas; state construction or manufactured-housing permits and inspections still apply1213
- Floodplain permit
- Required before construction or development inside a mapped Special Flood Hazard Area, approved by Cibola County's own Floodplain Administrator1415
- Septic soil difficulty
- Only 18.2% of county soils are free of severe limits for a conventional drain field16
Who to call
Building permits
New Mexico Construction Industries Division (CID) -- Albuquerque Office
Statewide building permit issuance, plan review and inspections for unincorporated Cibola County, since the county has no county building department and the state Construction Industries Division is the authority having jurisdiction; CID also operates offices in Santa Fe and Las Cruces that can serve the same permit types
5500 San Antonio Dr. Suite F, Albuquerque, New Mexico 87109
Zoning
Cibola County Planning and Rural Addressing Department
Land-use planning, Ordinance 2020-01 administration, floodplain development permits, subdivision applications and rural addressing for unincorporated Cibola County; the GIS Specialist and Floodplain Manager handles floodplain compliance
700 East Roosevelt, Suite 50, Grants, NM 87020
Septic permits
New Mexico Environment Department, Onsite Wastewater Bureau -- Milan Field Office
Liquid waste (septic) permit applications, site evaluations and inspections for Cibola County; this is NMED's district field office in Milan, next to Grants
708 Uranium Ave., Milan, NM 87021
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Cibola County, New Mexico?
Yes, for covered construction. Cibola County has no county building department, so in unincorporated areas the state Construction Industries Division issues building permits directly12. Statewide, no building or structure regulated by the New Mexico Residential or Commercial Building Code may be built, altered, repaired, moved or demolished without first obtaining a permit17. New Mexico exempts limited residential work, including one-story detached tool sheds, playhouses and similar accessory buildings up to 120 square feet, fences up to 6 feet high, and qualifying detached decks up to 200 square feet and no more than 30 inches above grade17. CID-administered work is governed by state-adopted residential, commercial, energy, plumbing, mechanical, electrical and related codes according to project type18. Cibola County Planning should review the parcel first for county environmental-safety and floodplain requirements34.
Who issues building permits in Cibola County, and how do you reach them?
Cibola County has no county building department, so permits for unincorporated land go through the state Construction Industries Division1. The listed Albuquerque CID office is at 5500 San Antonio Drive, Suite F, Albuquerque, New Mexico 87109, and its phone number is (505) 222-980019. CID requires applicable planning approval, plans, a state application and payment before processing, and it publishes an online permitting portal2021. Permit fees vary with construction type, square footage, materials and construction cost, so ask CID for a project-specific estimate22. Covered construction is inspected, and electrical permits and inspections are expressly required23. A homeowner seeking to perform electrical work may apply for a homeowner electrical permit, but must submit plans, earn at least 75% on the CID examination and personally perform the work9.
Does Cibola County have zoning?
No. Cibola County states that it does not have a zoning ordinance, including in unincorporated areas3. Unincorporated Cibola County therefore has no county zoning-based minimum dwelling size, minimum lot size, building setback, lot-coverage limit or building-height limit2425262728. Accessory dwellings also face no county zoning-based restriction there29. State building and septic requirements, floodplain restrictions, road and utility setbacks, and other safety rules can still constrain a project2627. The county's environmental-safety ordinance regulates outdoor lighting, water conservation, dumping, waste, litter and dangerous or abandoned buildings, and development inside a floodplain requires a county permit34. Grants, Milan and other incorporated municipalities may have separate zoning3. County Planning also handles property splits and combinations, which have separate criteria30.
How do septic permits work in Cibola County?
Septic systems in Cibola County, called on-site liquid-waste systems under state rules, are permitted by the New Mexico Environment Department rather than the county5. Submit the application to the local NMED field office; NMED may approve it, approve it with conditions or deny it5. The Milan field office is at 708 Uranium Avenue, Milan, New Mexico 87021, can be reached at 505-209-4042, and publishes [email protected] for permit questions8. A permit and its fee are required before a new system is built or an existing system is modified, and a dwelling may not be built, modified or moved onto a lot needing septic before NMED issues that permit31. Soils deserve early attention because only 18.2% of county soils are rated without severe limitations for a conventional drain field16. New Mexico allows a homeowner to install a simple conventional system after passing a written test7. If an abutting public sewer has capacity and the local authority requires connection, the septic system must be abandoned within 30 days after connection32.
Can you live in an RV or tiny home on your land in Cibola County?
Unincorporated Cibola County imposes no county zoning-based restriction on RV occupancy or temporary camping1011. Wastewater, health, road, environmental-safety and floodplain rules still apply, and incorporated municipalities may set different local rules1011. Tiny homes and manufactured homes likewise face no county zoning-based occupancy restriction in unincorporated Cibola County1213. A permanent-foundation tiny house must comply with the New Mexico Residential Code's tiny-house appendix and inspection requirements, while a unit remaining on a chassis with its axle in place is treated as an RV33. Manufactured homes require a state installation permit before setup and a final inspection certifying minimum occupancy standards34. County Planning is the contact for floodplain and environmental-safety questions before placing any of these dwellings15.
Building a home in Cibola County: the steps, in order
- Contact Cibola County Planning to confirm floodplain and environmental-safety requirements for the parcel154.
- Start the septic site evaluation with the NMED Milan field office early, since only 18.2% of county soils are free of severe limitations for a conventional drain field816.
- Submit the liquid-waste application to NMED, wait for approval or conditional approval, and pay only after notice20.
- Submit plans, the state building application and payment to CID; applicable planning approval comes first220.
- If the driveway connects to a state highway, obtain the state access permit before building or modifying it35.
- Arrange required CID construction inspections and NMED's septic inspection as work proceeds2320.
- Obtain the septic Permit to Operate after the system passes its final inspection31.
What to check before you buy land in Cibola County
Confirm whether the parcel sits inside Grants or Milan city limits, since those cities have their own zoning and the county's rules -- or lack of them -- won't apply there6. Check the floodplain status with County Planning, since a mapped Special Flood Hazard Area requires its own development permit before you build1415. Soils and water deserve real attention here: with only 18.2% of the county's land free of severe septic limitations and annual precipitation around just 12.3 inches, alongside severe drought in 33.6% of years, plan for a careful septic site evaluation and a serious look at well capacity before you buy163637. If the tract you're buying was recently split from a larger parcel, ask whether it went through New Mexico's subdivision process, since counties regulate subdivisions and most divisions require compliance unless an exception applies, such as the agricultural exemption for parcels of 35 acres or more used primarily for agriculture over the prior three years3839. Terrain is generally gentle, with 81.1% of the county at 15% slope or less, though only 24.8% is wooded, so expect more open, exposed building sites than in a forested county4041. Budget for carrying costs too: Cibola County's effective property tax rate runs about 0.8%, with a median annual bill near $983, against a typical home value around $159,135424344.
Watch-outs
- The confirmed homeowner route covers electrical work and requires plans, a CID examination score of at least 75%, and personal performance of the work; ask CID about licensing requirements for every other trade9.
- RV occupancy, temporary camping, tiny homes and manufactured homes face no county zoning-based restriction in unincorporated Cibola County, but state, septic, health, road, environmental-safety and floodplain rules can still control what is buildable or occupiable10111213.
- This guide could not confirm which CID field office (Albuquerque, Santa Fe or Las Cruces) formally has jurisdiction over Cibola County permits; Albuquerque is listed here as the nearest office, but call ahead to confirm before you apply19.
Sources
- NM Regulation and Licensing Department, Construction Industries Division (2026 county census)
- Construction Industries Division Frequently Asked Questions, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Apply for a Permit, quoted and re-checked
- Planning and Zoning (2026 county census)
- NM Environment Department - Liquid Waste Permitting Process (2026 county census)
- New Mexico Environment Department, Onsite Wastewater Bureau -- Milan Field Office (env.nm.gov)
- Construction Industries Division Frequently Asked Questions, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Flooding (New Mexico statewide rule), quoted and re-checked
- Cibola County Planning and Rural Addressing Department (cibolacountynm.com)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Building Permit Guide for Residential Construction (New Mexico statewide rule), quoted and re-checked
- Electronic Plan Review — Adopted Building Codes, quoted and re-checked
- New Mexico Construction Industries Division (CID) -- Albuquerque Office (rld.nm.gov)
- Construction Industries Division Frequently Asked Questions, quoted and re-checked
- Forms and Applications (New Mexico statewide rule), quoted and re-checked
- Construction Industries Forms and Applications Fees (New Mexico statewide rule), quoted and re-checked
- Construction Industries Division Frequently Asked Questions, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- Planning and Zoning, quoted and re-checked
- 20.7.3.401 NMAC — Permitting; General Requirements (New Mexico statewide rule), quoted and re-checked
- 20.7.3 NMAC — Liquid Waste Disposal and Treatment (New Mexico statewide rule), quoted and re-checked
- 14.7.3 NMAC — 2021 New Mexico Residential Building Code (New Mexico statewide rule), quoted and re-checked
- 14.12.9 NMAC — Inspections (New Mexico statewide rule), quoted and re-checked
- 18.31.6 NMAC (New Mexico statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Senate Bill 176 — New Mexico Subdivision Act (New Mexico statewide rule), quoted and re-checked
- Senate Bill 176 — New Mexico Subdivision Act (New Mexico statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.