Unincorporated Bernalillo County, New Mexico requires building permits for covered construction through Planning & Development Services1. County zoning controls allowed uses and district standards on unincorporated land2. Septic oversight belongs to county Public Works on unincorporated land and to the New Mexico Environment Department in incorporated areas3. A qualifying homeowner may build a primary residence, but required inspections and occupancy approval still apply45.
At a glance
- Building permit
- Required for covered work in unincorporated areas; issued through county Planning & Development Services1
- Zoning
- County zoning applies in unincorporated Bernalillo County6
- Owner-builder
- Available for an eligible homeowner's primary single-family residence, with conditions4
- Inspections
- The homeowner permit holder must request required inspections and final approval78
- Septic permits
- County Public Works handles unincorporated land; NMED handles incorporated areas910
- Tiny homes
- State code recognizes inspected tiny houses on permanent foundations, subject to county zoning116
- Minimum lot size
- District-specific; the published atlas identifies 1-acre A-1 and 2-acre A-2 zones12
Who to call
Building permits
Bernalillo County Planning & Development Services
Building permits, plan review and inspections in unincorporated Bernalillo County
415 Silver SW, Albuquerque, NM 87102
Planning & zoning
Bernalillo County Planning & Development Services (Zoning)
Zoning administration under county Code Appendix A for unincorporated Bernalillo County, from the same department that issues building permits
415 Silver SW, Albuquerque, NM 87102
Septic permits
Bernalillo County Public Works, Wastewater / Onsite Liquid Waste Program
Septic (onsite liquid waste) system permitting for unincorporated Bernalillo County under the county's own wastewater ordinance
Contact details are copied from each office’s official page and were checked against it on October 11, 2026.
Off-grid gear
Going off-grid in Bernalillo County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Bernalillo County, New Mexico?
Bernalillo County requires a building permit before erecting, constructing, reconstructing, altering or changing the use of a building or structure in unincorporated areas1. State rules require separate permits for general building, electrical, mechanical/plumbing and LPG work unless an exemption applies13. Limited residential exemptions include qualifying one-story detached accessory structures no larger than 120 square feet and fences no taller than 6 feet; separate trade permits and zoning approval may still be required1415. New Mexico adopts the 2021 International Residential Code with state amendments, while county plan review also uses the Bernalillo County Building Ordinance1617. Unincorporated Bernalillo County charges an impact fee for new construction on vacant land and additions over 500 square feet18. Ask Planning & Development Services for the county total: we could not confirm a county building-permit fee schedule, and CID fees apply where the state is the permitting authority192021.
Who issues Bernalillo County building permits, and how do you reach them?
Bernalillo County Planning & Development Services handles building permits, plan review and inspections in unincorporated Bernalillo County21. The office is at 415 Silver SW, Albuquerque, NM 87102; call (505) 314-0350 or email zoning@bernco.gov21. The inspection line is (505) 314-0351, and office hours are Monday through Friday from 8 a.m. to 4:30 p.m.21. For a homeowner permit, the applicant must apply in person and provide identity and ownership proof, signed instructions, a notarized acknowledgement of responsibilities, zoning approval, a floodplain determination, the approved application, required plans and documents, and applicable fees22. Ask the office for the current county total, including the impact fee for new construction on vacant land1821.
Inside Tijeras, village review and approval must precede construction or a building-footprint change; after approval, the owner must contact county Planning & Development Services for necessary building permits23. Septic permits inside Tijeras come from NMED10.
Does Bernalillo County have zoning?
Yes. Bernalillo County's Comprehensive Zoning Ordinance and official zone maps cover the unincorporated area2. The published atlas lists county districts and sector-development-plan subcategories, but it is for reference rather than exact measurements or legal descriptions24. Lot standards vary by district: the A-1 Rural Agricultural zone has a 1-acre minimum and the A-2 Rural Agricultural zone has a 2-acre minimum, while other districts may differ25. Bernalillo County also reviews subdivision applications under its Subdivision Ordinance, although the available source does not establish the thresholds or exemptions26. Ask Planning & Development Services to confirm the parcel's district, allowed use, dimensional rules and any subdivision review at (505) 314-0350 or zoning@bernco.gov27. We could not confirm district-specific setbacks, building height, lot coverage or minimum dwelling size; ask Planning & Development Services about the parcel27. Tijeras has its own zoning ordinance inside village limits; county zoning applies to unincorporated land2829. Septic oversight inside Tijeras remains with NMED3.
How do septic permits work in Bernalillo County?
Bernalillo County Public Works regulates onsite wastewater in unincorporated Bernalillo County under the county Wastewater Ordinance9. For unincorporated land, contact the county Wastewater / Onsite Liquid Waste Program before fixing a house location or system design9. In incorporated portions, including Albuquerque, Los Ranchos de Albuquerque and Tijeras, NMED requires a septic permit for a new, replacement or modified onsite system10. NMED directs property-specific jurisdiction questions to its Albuquerque Field Office at (505) 222-95003. The published NMED fee for a conventional system with design flow up to 1,000 gallons per day is $225; that schedule does not establish county septic fees on unincorporated land30. Under state rules, onsite-system approval must precede construction or modification of a dwelling on a lot requiring that system; confirm the applicable county process with Public Works319. Only about 25% of county soils lack severe limitations for conventional septic drain fields, making a parcel-level site evaluation important32. Untreated liquid waste must enter an approved permitted system, treatment unit or public sewer, apart from qualifying graywater33. We could not confirm the complete county septic application and inspection process or a direct program phone number9.
Can you live in an RV or tiny home on your land in Bernalillo County?
RV housing rules in unincorporated Bernalillo County depend on the zoning district3435. In the R-1 Single-Family Residential zone, an RV used as dwelling quarters and served only by electricity for lighting is limited to 2 weeks in any calendar year34. In the A-2 Rural Agricultural zone, a park model travel trailer can be approved as a conditional use for up to 5 years; it must be the only dwelling on the property, meet A-2 requirements, have potable water, connect to a county-approved liquid-waste system and satisfy neighborhood-compatibility and maintenance conditions35. We could not confirm a rule for other districts or for temporary camping on private land, so ask Planning & Development Services about the parcel's zoning before relying on an RV as housing27. New Mexico recognizes a tiny house as a dwelling with complete living facilities when it meets the residential code, is inspected and is placed on a permanent foundation; the state definition caps floor area at 400 square feet excluding lofts11. A tiny house that remains on a chassis with its permanent axle is treated as an RV instead11. County zoning still controls whether a residential use fits a parcel in unincorporated Bernalillo County6. We could not confirm minimum dwelling size; ask Planning & Development Services about the proposed tiny home27.
Building a home in Bernalillo County: the steps, in order
- Ask Planning & Development Services to confirm the parcel's zoning district, allowed residential use, lot standard and whether a land division needs subdivision review36122627.
- Obtain zoning approval and a floodplain determination, then assemble ownership proof, plans, documents and applicable fees for an in-person homeowner application if you qualify22.
- If the property needs a well, obtain a drilling permit from the New Mexico Office of the State Engineer before drilling37.
- For onsite wastewater on unincorporated land, contact county Public Works before finalizing the house and drain-field locations938.
- Apply for the county building permit before covered work begins1.
- Request every required inspection, correct violations and arrange re-inspections7.
- For new construction under a homeowner permit, pass the final inspection and obtain the certificate of occupancy before moving in8.
What to check before you buy land in Bernalillo County
Start with zoning, legal parcel dimensions, subdivision history and wastewater feasibility. Bernalillo County's published zone atlas is not a substitute for exact measurements or a legal description, and sector-plan subcategories may add plan-specific details36. Only about 25% of county soils lack severe limitations for a conventional drain field32. The county averages 11.7 inches of precipitation a year and experiences severe drought in about 39.1% of years, so confirm the water source and realistic well capacity before closing3940. A new well requires a drilling permit from the New Mexico Office of the State Engineer37. About 76.4% of county land has a slope of 15% or less, but parcel terrain can still constrain access, grading and septic placement41. If access connects directly to a state highway, New Mexico requires a state access permit before covered construction or modification42. The median property-tax bill is about $2,544 a year, with an effective rate near 0.9%4344.
Watch-outs
- A homeowner permit is limited to the owner's primary single-family residence and does not cover rental dwellings or commercial property4.
- New construction under a homeowner permit must pass the final inspection, and the certificate of occupancy must be issued before occupation8.
- The A-1 and A-2 rural agricultural district names establish district-specific lot minimums, not a general exemption from county building or development rules1245.
- We could not confirm RV housing rules outside the R-1 and A-2 provisions, temporary-camping rules, setbacks or minimum dwelling size; ask Planning & Development Services about the parcel343527.
Sources
- Bernalillo County Residential Building Permit Requirements, quoted and re-checked
- Bernalillo County Zone Atlas Volume 1, quoted and re-checked
- Liquid Waste Regulations, quoted and re-checked
- Instructions for Obtaining a Homeowner’s Permit, quoted and re-checked
- Instructions for Obtaining a Homeowner’s Permit, quoted and re-checked
- Bernalillo County Zone Atlas Volume 1, quoted and re-checked
- Instructions for Obtaining a Homeowner’s Permit, quoted and re-checked
- Instructions for Obtaining a Homeowner’s Permit, quoted and re-checked
- Liquid Waste Regulations, quoted and re-checked
- Building Permit Guide for Residential Construction — Liquid Waste System Permit, quoted and re-checked
- 14.7.3 NMAC — 2021 New Mexico Residential Building Code (New Mexico statewide rule), quoted and re-checked
- Bernalillo County Zone Atlas Volume 1, quoted and re-checked
- 14.5.2 NMAC — Permits, quoted and re-checked
- Building Permit Guide for Residential Construction (New Mexico statewide rule), quoted and re-checked
- Building Permit Guide for Residential Construction, quoted and re-checked
- 14.7.3 NMAC — 2021 New Mexico Residential Building Code, quoted and re-checked
- Rules, Laws, and Building Codes, quoted and re-checked
- Bernalillo County Residential Building Permit Requirements and Homeowner Permit Materials, quoted and re-checked
- Construction Industries Forms and Applications Fees, quoted and re-checked
- 14.5.5 NMAC — Fees, quoted and re-checked
- Bernalillo County Planning & Development Services (bernco.gov)
- Instructions for Obtaining a Homeowner’s Permit, quoted and re-checked
- Village of Tijeras: Village of Tijeras Ordinance No. 240 Comprehensive Zoning Ordinance (Bernalillo County), quoted and re-checked
- Bernalillo County Fall 2025 Zone Atlas Volume 1, quoted and re-checked
- Bernalillo County Zone Atlas Volume 1, quoted and re-checked
- jobdescriptions.bernco.gov, quoted and re-checked
- Bernalillo County Planning & Development Services (Zoning) (bernco.gov)
- Village of Tijeras: Ordinances & Resolutions | Village of Tijeras (Bernalillo County), quoted and re-checked
- Bernalillo County Zoning, quoted and re-checked
- Apply for a Permit, quoted and re-checked
- 20.7.3 NMAC — Liquid Waste Disposal and Treatment, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- 20.7.3 NMAC — Liquid Waste Disposal and Treatment (New Mexico statewide rule), quoted and re-checked
- Appendix A, Section 9 - R-1 Single-Family Residential Zone, quoted and re-checked
- Appendix A, Section 8 - A-2 Rural Agricultural Zone, quoted and re-checked
- Bernalillo County Zone Atlas Volume 1, quoted and re-checked
- Apply for a Permit, quoted and re-checked
- Bernalillo County Public Works, Wastewater / Onsite Liquid Waste Program (bernco.gov)
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- 18.31.6 NMAC (New Mexico statewide rule), quoted and re-checked
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- srca.nm.gov (New Mexico statewide rule), quoted and re-checked
Written October 11, 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.