New Jersey

New Jersey home permit planning notes

Municipal code offices, zoning review, flood zones, coastal areas, older housing, and trade permits often create multiple approval steps.

What to verify locally

Local guides in New Jersey

Jersey City, New Jersey

Jersey City Construction Permit Portal Guide

Jersey City construction permits use an online portal with a main permit application plus linked technical forms for building, plumbing, electrical, fire, and other work.

Jersey City, New Jersey

Jersey City Fence, Shed, and Zoning Permit Guide

Jersey City fence and shed projects often need zoning approval even when a construction permit is not required by construction code.

Jersey City, New Jersey

Jersey City Deck, Pool, and Inspection Permit Guide

Jersey City requires construction permits and zoning approval for new decks, structural deck repairs, and pools over 24 inches deep.

Jersey City, New Jersey

Jersey City Ordinary Maintenance, Window, and Door Permit Guide

Jersey City lists ordinary maintenance work that does not need construction permits, but historic approval and code limits can still apply.

Hoboken, New Jersey

Hoboken Construction Code Permit Guide

Hoboken construction permits often require prior zoning, historic, or health approvals before the Construction Code Office can issue the permit.

Hoboken, New Jersey

Hoboken Fence, Roof Deck, and Tree Permit Guide

Hoboken fence, roof deck, and tree work can involve zoning compliance, construction permits, design standards, surveys, and separate tree permits.

Trenton, New Jersey

Trenton Technical Services Permit Guide

Trenton Technical Services handles building, electrical, plumbing, fire, elevator, and zoning inspections under New Jersey construction and fire codes.

Montclair, New Jersey

Montclair New Jersey Building and Zoning Permit Guide

Montclair separates zoning permits from construction permits, with zoning review for fences, small sheds, driveways, parking areas, walls, retaining walls, and construction-permit packages for larger or code-regulated work.

Montclair, New Jersey

Montclair New Jersey Deck, Fence, Shed, and Pool Permit Guide

Montclair homeowners should check zoning and building permit thresholds for attached decks, fences up to or over six feet, sheds under or over local size limits, driveways, patios, and pool enclosure fencing.

Princeton, New Jersey

Princeton New Jersey Building and Construction Permit Guide

Princeton Building and Construction reviews plans, issues permits, and performs inspections under the New Jersey Uniform Construction Code for residential renovations, decks, basements, framing, technical subcodes, and related work.

Princeton, New Jersey

Princeton New Jersey Zoning Permit Guide for Fences, Solar, Sheds, and Pools

Princeton zoning permits are required for many site and exterior projects, including decks, fences, generators, air conditioning condensers, patios, porches, sheds, solar panels, swimming pools, driveways, and parking areas.

Morristown, New Jersey

Morristown New Jersey Zoning and Building Permit Guide

Morristown zoning approval is required before structures are built or altered and before construction permit applications, with zoning permits covering additions, decks, fences, pools, patios, sheds, generators, driveways, tenancies, and signage.

Jersey City, New Jersey

Jersey City, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Jersey City, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Jersey City, New Jersey

Jersey City, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Jersey City, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Jersey City, New Jersey

Jersey City, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Jersey City, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Jersey City, New Jersey

Jersey City, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Jersey City, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Jersey City, New Jersey

Jersey City, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Jersey City, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Jersey City, New Jersey

Jersey City, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Jersey City, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Jersey City, New Jersey

Jersey City, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Jersey City, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Jersey City, New Jersey

Jersey City, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Jersey City, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Jersey City, New Jersey

Jersey City, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Jersey City, New Jersey, should be checked for plumbing permits and inspection hold points.

Jersey City, New Jersey

Jersey City, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Jersey City, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Jersey City, New Jersey

Jersey City, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Jersey City, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Jersey City, New Jersey

Jersey City, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Jersey City, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Hoboken, New Jersey

Hoboken, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Hoboken, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Hoboken, New Jersey

Hoboken, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Hoboken, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Hoboken, New Jersey

Hoboken, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Hoboken, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Hoboken, New Jersey

Hoboken, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Hoboken, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Hoboken, New Jersey

Hoboken, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Hoboken, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Hoboken, New Jersey

Hoboken, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Hoboken, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Hoboken, New Jersey

Hoboken, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Hoboken, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Hoboken, New Jersey

Hoboken, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Hoboken, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Hoboken, New Jersey

Hoboken, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Hoboken, New Jersey, should be checked for plumbing permits and inspection hold points.

Hoboken, New Jersey

Hoboken, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Hoboken, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Hoboken, New Jersey

Hoboken, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Hoboken, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Hoboken, New Jersey

Hoboken, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Hoboken, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Trenton, New Jersey

Trenton, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Trenton, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Trenton, New Jersey

Trenton, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Trenton, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Trenton, New Jersey

Trenton, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Trenton, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Trenton, New Jersey

Trenton, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Trenton, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Trenton, New Jersey

Trenton, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Trenton, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Trenton, New Jersey

Trenton, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Trenton, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Trenton, New Jersey

Trenton, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Trenton, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Trenton, New Jersey

Trenton, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Trenton, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Trenton, New Jersey

Trenton, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Trenton, New Jersey, should be checked for plumbing permits and inspection hold points.

Trenton, New Jersey

Trenton, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Trenton, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Trenton, New Jersey

Trenton, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Trenton, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Trenton, New Jersey

Trenton, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Trenton, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Montclair, New Jersey

Montclair, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Montclair, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Montclair, New Jersey

Montclair, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Montclair, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Montclair, New Jersey

Montclair, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Montclair, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Montclair, New Jersey

Montclair, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Montclair, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Montclair, New Jersey

Montclair, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Montclair, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Montclair, New Jersey

Montclair, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Montclair, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Montclair, New Jersey

Montclair, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Montclair, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Montclair, New Jersey

Montclair, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Montclair, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Montclair, New Jersey

Montclair, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Montclair, New Jersey, should be checked for plumbing permits and inspection hold points.

Montclair, New Jersey

Montclair, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Montclair, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Montclair, New Jersey

Montclair, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Montclair, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Montclair, New Jersey

Montclair, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Montclair, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Princeton, New Jersey

Princeton, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Princeton, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Princeton, New Jersey

Princeton, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Princeton, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Princeton, New Jersey

Princeton, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Princeton, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Princeton, New Jersey

Princeton, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Princeton, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Princeton, New Jersey

Princeton, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Princeton, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Princeton, New Jersey

Princeton, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Princeton, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Princeton, New Jersey

Princeton, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Princeton, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Princeton, New Jersey

Princeton, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Princeton, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Princeton, New Jersey

Princeton, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Princeton, New Jersey, should be checked for plumbing permits and inspection hold points.

Princeton, New Jersey

Princeton, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Princeton, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Princeton, New Jersey

Princeton, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Princeton, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Princeton, New Jersey

Princeton, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Princeton, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Morristown, New Jersey

Morristown, New Jersey ADU and Garage Conversion Permit Guide

Homeowners in Morristown, New Jersey, planning an accessory dwelling unit, garage apartment, basement apartment, or converted living space should confirm zoning, occupancy, utility, parking, and building-permit requirements before design work goes too far.

Morristown, New Jersey

Morristown, New Jersey Pool Spa and Barrier Permit Guide

Pool and spa projects in Morristown, New Jersey, should be checked for building permits, zoning setbacks, electrical bonding, drainage, alarms, gates, and barrier inspections before excavation or delivery.

Morristown, New Jersey

Morristown, New Jersey Roof Window and Exterior Permit Guide

Roof replacement, window replacement, siding, exterior doors, structural repairs, and weatherproofing work in Morristown, New Jersey, should be checked for permit, historic, energy, wind, and inspection requirements.

Morristown, New Jersey

Morristown, New Jersey Kitchen Bath and Basement Remodel Permit Guide

Remodels in Morristown, New Jersey, should be checked for building, electrical, plumbing, mechanical, insulation, egress, waterproofing, and final inspection requirements before walls are closed.

Morristown, New Jersey

Morristown, New Jersey Solar EV Charger and Generator Permit Guide

Homeowners in Morristown, New Jersey, planning solar panels, battery storage, EV chargers, panel upgrades, or standby generators should coordinate electrical permits, utility requirements, equipment placement, and inspections.

Morristown, New Jersey

Morristown, New Jersey Driveway Fence Shed and Site Permit Guide

Homeowners in Morristown, New Jersey, should check zoning, right-of-way, drainage, easements, setbacks, fence height, accessory structures, and inspections before building outside the house footprint.

Morristown, New Jersey

Morristown, New Jersey Addition Deck Porch and Patio Cover Permit Guide

Additions, decks, porches, balconies, and patio covers in Morristown, New Jersey, should be checked for zoning placement, structural plans, footings, ledger connections, stairs, guards, roof loads, and staged inspections.

Morristown, New Jersey

Morristown, New Jersey Electrical Panel Circuit and Rewiring Permit Guide

Panel replacements, service upgrades, new circuits, whole-home rewiring, subpanels, outlets, lighting, and dedicated appliance wiring in Morristown, New Jersey, should be coordinated with electrical permits, utility requirements, and inspections.

Morristown, New Jersey

Morristown, New Jersey Plumbing Water Heater Repipe and Sewer Permit Guide

Water heaters, repipes, fixture relocations, drain and vent changes, sewer laterals, backflow devices, and gas or water service work in Morristown, New Jersey, should be checked for plumbing permits and inspection hold points.

Morristown, New Jersey

Morristown, New Jersey HVAC Heat Pump Gas and Ventilation Permit Guide

Furnaces, heat pumps, air conditioners, mini-splits, ductwork, gas piping, range hoods, bath fans, and other ventilation work in Morristown, New Jersey, should be checked for mechanical, electrical, plumbing, and fuel-gas permits.

Morristown, New Jersey

Morristown, New Jersey Foundation Retaining Wall Grading and Drainage Permit Guide

Foundation repairs, retaining walls, excavation, fill, waterproofing, grading, drainage systems, and slope work in Morristown, New Jersey, should be checked for structural, zoning, stormwater, floodplain, and site inspections.

Morristown, New Jersey

Morristown, New Jersey Demolition Structural Wall Fireplace and Chimney Permit Guide

Interior demolition, load-bearing wall changes, chimney or fireplace work, structural openings, and full-structure removal in Morristown, New Jersey, should be checked for building, trade, utility, environmental, and inspection requirements.

Projects to check first

ProjectWhy it matters
Shed PermitUsually required once the shed exceeds a local size threshold, has a permanent foundation, includes utilities, or violates zoning setbacks.
Fence PermitOften required for tall fences, front-yard fences, corner lots, pool barriers, retaining-wall combinations, and historic districts.
Deck PermitAlmost always required for attached decks, elevated decks, structural repairs, and decks with stairs or guards.
EV Charger PermitUsually required for Level 2 hardwired chargers, panel upgrades, new circuits, and garage wiring changes.
Solar PermitAlmost always required. Solar normally needs building/electrical permits and separate utility interconnection approval.
Bathroom Remodel PermitOften required when plumbing, electrical, framing, ventilation, or waterproofing systems are changed.
HVAC Replacement PermitUsually required for furnace, condenser, heat pump, major duct, gas line, and equipment-location changes.
Basement Finishing PermitUsually required when unfinished space becomes habitable, especially with bedrooms, bathrooms, or new walls.

Best first call

Start with the city building department if the property is inside city limits. If not, call the county building or planning office and ask which authority has jurisdiction for zoning, building, and trade inspections.