Permit type guides
Compare the most common residential permit categories, what usually triggers a permit, what may be exempt, who typically pulls it, and how long approval usually takes.
Important distinction: Census Building Permits Survey data is authoritative for new privately owned residential construction. It does not publish national category totals for every local electrical, plumbing, HVAC, deck, fence, roof, pool, solar, or remodel permit. The category guidance below combines HousePermits local-permit normalization, city/county open-data patterns, local building-department rules, and official BPS context where applicable.
Permit comparison
Use this table as a national starting point. Your local building department decides the exact threshold, fee, form, and inspection sequence.
| Rank | Permit type | Usually required for | Often exempt | Typical fee | Approval |
|---|---|---|---|---|---|
| #1 | ⚡ Electrical permitsVery common | Panel upgrades, new circuits, EV chargers, service changes, major rewiring, meter work. | Replacing a light fixture, switch, or outlet in the same location may be exempt in some areas. | $75–$350 | 1–5 days |
| #2 | ❄️ HVAC / mechanical permitsVery common | Furnace, boiler, heat pump, central air, ductwork, gas appliance, and mechanical system replacements. | Filter changes, thermostat swaps, and minor maintenance usually do not require permits. | $75–$300 | 1–10 days |
| #3 | 🔧 Plumbing permitsVery common | New water lines, drain lines, relocated fixtures, water heaters, sewer work, gas piping, and major bathroom/kitchen plumbing. | Replacing a faucet, toilet, or showerhead in the same location may be exempt in some jurisdictions. | $75–$300 | 1–7 days |
| #4 | 🏠 New construction permitsOfficial BPS category | New single-family homes, multifamily buildings, manufactured housing foundations, and major site work. | Generally not exempt. New residential structures require plan review and inspections. | $1,000–$10,000+ | 4–12+ weeks |
| #5 | 🏗️ Roofing permitsCommon | Full roof replacement, structural roof repair, sheathing replacement, reroofing, or work in high-wind zones. | Small patch repairs may be exempt if no structural work is involved. | $100–$500 | 1–10 days |
| #6 | 🧱 Additions & alterationsCommon | Room additions, bump-outs, attached garages, structural alterations, load-bearing wall changes, and floor-area expansion. | Cosmetic-only work may be exempt if no structure, trades, egress, or occupancy changes occur. | $300–$2,500+ | 2–8 weeks |
| #7 | ☀️ Solar panel permitsGrowing | Rooftop solar, ground-mounted arrays, battery storage, service upgrades, and structural attachments. | Usually not exempt because electrical and structural reviews are involved. | $150–$600 | 1–3 weeks |
| #8 | 🏘️ ADU / in-law suite permitsGrowing | Detached ADUs, garage conversions, basement apartments, in-law suites, and independent living units. | Rarely exempt. Zoning, occupancy, egress, utilities, and fire separation are usually reviewed. | $800–$5,000+ | 6–16+ weeks |
| #9 | 🚿 Bathroom & kitchen remodel permitsCommon | Moving plumbing, adding circuits, moving walls, changing layouts, waterproofing, or ventilation changes. | Same-location cabinets, counters, paint, flooring, and fixture swaps may be exempt. | $150–$800 | 1–3 weeks |
| #10 | 🔨 Demolition permitsCommon where structure is removed | Removing a structure, significant interior demolition, utility disconnections, or demolition affecting structural elements. | Minor non-structural removal may be exempt, but debris, asbestos, and utility rules can still apply. | $100–$1,000+ | 1–4 weeks |
| #11 | 🪟 Window & door permitsOften local-rule dependent | Enlarging openings, structural header work, egress window changes, exterior door relocation, or hurricane/energy-zone requirements. | Same-size replacement may be exempt in some areas, but energy and safety codes may still apply. | $50–$300 | 1–10 days |
| #12 | 🪧 Fence permitsLocal-rule dependent | Tall fences, front-yard fences, pool barriers, corner-lot sightline areas, retaining walls, or historic districts. | Low backyard fences may be exempt, but zoning height and setback rules still apply. | $50–$250 | 1–10 days |
| #13 | 🪵 Deck & patio permitsLocal-rule dependent | Attached decks, elevated decks, structural patios, footings, ledger connections, stairs, guards, and decks over local height/size thresholds. | Small ground-level detached platforms may be exempt in some jurisdictions. | $100–$600 | 1–3 weeks |
| #14 | 🏊 Pool & spa permitsSafety-sensitive | In-ground pools, above-ground pools over local depth thresholds, spas, pool electrical, barriers, and alarms. | Small temporary splash pools may be exempt, but barrier rules often still apply. | $250–$1,500+ | 2–8 weeks |
| #15 | 🚗 Garage conversion permitsZoning-sensitive | Converting a garage into living space, bedroom, office, ADU, studio, or habitable room. | Usually not exempt because occupancy, egress, insulation, fire separation, and parking rules may apply. | $300–$2,500+ | 4–12+ weeks |
Activity overview
These bars are not official Census trade-permit totals. They show relative frequency based on common local permitting patterns and HousePermits normalized category logic.
Detailed guides
Each card summarizes common triggers, exemptions, contractor requirements, and inspection issues.
Fast answer matrix
This is a practical homeowner guide. Local rules still control.
| Project | Usually requires a permit | Often exempt or simpler review | Common inspection issue |
|---|---|---|---|
| Electrical | Panel upgrades, new circuits, EV chargers | Same-location fixture replacement | Work hidden before rough inspection |
| Plumbing | New lines, relocated fixtures, water heaters | Same-location faucet or toilet replacement | Walls closed before pressure/rough inspection |
| Roofing | Full replacement, sheathing, structural roof work | Minor patch repair | Missing wind, flashing, or ventilation requirements |
| Deck | Attached, elevated, large, stairs/guards | Small detached ground-level platform | Footings, ledger attachment, guardrail height |
| Fence | Tall fence, front-yard fence, pool barrier | Low backyard fence in some areas | Setback, sight triangle, easement, pool barrier |
| Bathroom/kitchen | Moved plumbing, electrical, walls, ventilation | Cosmetic finishes in same layout | Unpermitted trade work behind walls |
| ADU/garage conversion | New dwelling unit or habitable conversion | Rarely exempt | Zoning, egress, fire separation, parking |
More guides
FAQ
Electrical, HVAC/mechanical, plumbing, roofing, remodel, addition, solar, deck, fence, pool, ADU, and new construction permits are among the most common residential permit categories. Exact volume varies by city, climate, storm activity, housing market, and local reporting rules.
No. Census Building Permits Survey data is authoritative for new privately owned residential construction, including units authorized by permit. It is not a national database of every local trade, repair, remodel, deck, fence, pool, or roofing permit.
Usually yes for panel upgrades, new circuits, EV chargers, service changes, and major rewiring. Simple same-location fixture replacements may be exempt in some jurisdictions, but local rules control.
Usually yes for new lines, relocated fixtures, water heaters, sewer work, and gas piping. Like-for-like fixture replacement may be exempt in some areas.
Many jurisdictions require a permit for full roof replacement, reroofing, sheathing replacement, or structural roof work. Small patch repairs may be exempt.
Permits are usually issued by the city, town, county, borough, parish, or local building department with jurisdiction over the property address.
Confirm the property jurisdiction, check zoning and HOA restrictions, contact the local building department, and verify whether licensed contractors are required for electrical, plumbing, HVAC, or structural work.
Need a local answer?
Use HousePermits to check your project, find the issuing permit office, or ask the AI assistant to walk through your situation.