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PermitBase

Do I Need a Permit to Replace a Furnace in Utah?

Furnace replacement permit requirements. Even same-model swaps need a mechanical permit. What inspectors check.

Yes — even a like-for-like furnace swap requires a mechanical permit.

Utah-specific rules

Adopted code: 2021 IMC and 2021 IFGC, adopted statewide under Utah Code § 15A-2-103 through June 30, 2026; the 2024 editions take effect statewide July 1, 2026.

Sources: Utah State Construction and Fire Codes Act (Title 15A)

Why Even a Swap Needs a Permit

Furnace replacements involve gas connections, venting, and combustion air — all safety-critical systems. Most jurisdictions require a mechanical permit to verify the new furnace is properly vented, has adequate combustion air, and the gas connections are leak-free. This is true even for exact same-model replacements.

High-Efficiency Conversions

Upgrading from a standard-efficiency (80%) to high-efficiency (90%+) furnace changes the venting requirements: standard units use metal B-vent, high-efficiency units use PVC/CPVC. The old metal vent chase may need to be sealed. A condensate drain line is also required for high-efficiency units.

What Inspectors Check

The final inspection covers: gas piping and drip leg, venting type and clearances, combustion air supply (especially in confined spaces), condensate drain (high-efficiency units), thermostat operation, and CO detector presence on every level.

Bundled with AC?

If you're replacing both the furnace and AC unit at the same time, one mechanical permit typically covers both. The inspector will check the AC refrigerant lines, electrical disconnect, and condenser pad in addition to the furnace items.

Yes, always. The permit is $40-$75 and your HVAC contractor handles it. One final inspection. Don't skip it — CO poisoning from bad venting is real.

Permit fees by city in Utah

Verified from each city’s published fee schedule. Where a city has no separate fee listed for this project, open the city page for the current requirements and amount.

CityPermit feeSource
Alpine$1,000.00, payable upon submission of plans and deducted from the plan check feeVerifiedvia Residential Building Permit (New Home)Residential Building Permit (New Home)
American ForkBased on ICC Valuation TableVerifiedMechanical / HVAC Permit
Bountiful$75.00 (plus state surcharge ~1%)VerifiedMechanical / HVAC Permit
Brigham CityValuation-based (illustrative sample: $1,951.93 on a $250,000 valuation)Verifiedvia Residential Building Permit (New Single-Family Dwelling)Residential Building Permit (New Single-Family Dwelling)
Cedar CityNot separately itemized in the Consolidated Fee Schedule as a standalone published line itemVerifiedMechanical Equipment Permit
Cedar HillsBased on valuation (no flat table published; assessed per International Building Code valuation methodology)Verifiedvia Residential Building PermitResidential Building Permit
Centerville$1 to $500: $28.30. $501 to $2,000: $28.30 for the first $500 plus $23.66 per additional $1,000 or fraction, to $2,000. $2,001 to $25,000: $83.10 for the first $2,000 plus $16.80 per additional $1,000 or fraction, to $25,000. $25,001 to $50,000: $470.10 for the first $25,000 plus $12.12 per additional $1,000 or fraction, to $50,000. $50,001 to $100,000: $772.50 for the first $50,000 plus $8.40 per additional $1,000 or fraction, to $100,000. $100,001 to $500,000: $1,192.50 for the first $100,000 plus $6.72 per additional $1,000 or fraction, to $500,000. $500,001 to $1,000,000: $3,880.50 for the first $500,000 plus $5.70 per additional $1,000 or fraction, to $1,000,000. $1,000,001 and up: $6,730.50 for the first $1,000,000 plus $4.38 per additional $1,000 or fraction.Verifiedvia Residential Building Permit (New Home / Addition / Remodel)Residential Building Permit (New Home / Addition / Remodel)
ClearfieldValuation-based per building permit fee table (see residential building permit fees)VerifiedMechanical / HVAC Permit
Clinton$58.80Verifiedvia Residential Building PermitResidential Building Permit
Coalville$10 issuance fee plus $0.035 per square footVerifiedMechanical / HVAC Permit
Cottonwood Heights100% of the building valuation data table from the most current IBC edition adopted in UtahVerifiedvia Residential Building Permit (New Dwelling / Remodel)Residential Building Permit (New Dwelling / Remodel)
Draper$150.00VerifiedMechanical / HVAC Permit
Eagle Mountain$24Verifiedvia Residential Building PermitResidential Building Permit
Enoch CitySet by the Uniform Building Code valuation table, plus a 1% State of Utah surcharge on the total building permit fee.Verifiedvia Residential Building PermitResidential Building Permit
EphraimICC Building Valuation Data-based, city-limits rate (lowest of the county's three rate tiers); no static current dollar figure published -- quoted through the county's online permit portalVerifiedvia Single-Family Residential Building PermitSingle-Family Residential Building Permit
Farmington$75.00Verifiedvia Residential Building PermitResidential Building Permit
Farr WestBased on square footage and valuation; amount cannot be determined until plan review is completed by the Building Inspector.Verifiedvia Residential Building Permit (New Single-Family Home)Residential Building Permit (New Single-Family Home)
Fruit HeightsBased on current building valuation (no published flat rate or per-square-foot table)Verifiedvia Residential Building Permit (New Single-Family Dwelling)Residential Building Permit (New Single-Family Dwelling)
Grantsville0.0068 x total permit valueVerifiedvia Residential Building Permit (Single Family Dwelling)Residential Building Permit (Single Family Dwelling)
Heber CityValuation-based per the ICC Building Safety Journal fee tables, updated biannuallyVerifiedvia Residential Building Permit (New Construction)Residential Building Permit (New Construction)
Herriman$100VerifiedMechanical / HVAC Permit
HighlandAs Set Forth by the International Code Council (valuation-based; no fixed city table published)Verifiedvia Residential Building Permit (New Home)Residential Building Permit (New Home)
HolladayDetermined per project valuation using the 1997 Uniform Administrative Code, Table 3-AVerifiedvia Residential Building Permit (New Dwelling / Remodel)Residential Building Permit (New Dwelling / Remodel)
Hurricane$1–$500: $24 flat. $501–$2,000: $24 + $3 per additional $100 or fraction, up to $2,000. $2,001–$40,000: $69 + $11 per additional $1,000 or fraction, up to $40,000. $40,001–$100,000: $487 + $9 per additional $1,000 or fraction, up to $100,000. $100,000–$500,000: $1,027 + $7 per additional $1,000 or fraction, up to $500,000. $500,001–$1,000,000: $3,827 + $5 per additional $1,000 or fraction, up to $1,000,000. $1,000,001–$5,000,000: $6,327 + $3 per additional $1,000 or fraction, up to $5,000,000. $5,000,001 and over: $18,327 + $1 per additional $1,000 or fraction.Verifiedvia Residential Building PermitResidential Building Permit
IvinsBased on Valuation, using the City's 1997 Valuation CodeVerifiedvia Residential Building PermitResidential Building Permit
Kaysville$65.65 flat feeVerifiedMechanical / HVAC / Water Heater Permit
La VerkinBased upon 90% of the square foot construction costs chart (dated 06/18/08)Verifiedvia Residential Building PermitResidential Building Permit
LaytonValuation-based per building permit fee table (see residential building permit fees); plan check is 40% of permit fee (residential) or 65% (commercial)VerifiedMechanical / HVAC Permit
LehiValuation-based per Lehi City building permit fee scheduleVerifiedMechanical / HVAC Permit
LindonDetermined using 1997 Uniform Building Code, Table 1-A, applied to project valuationVerifiedvia Residential Building Permit (New SFD, Townhome, Duplex, ADU)Residential Building Permit (New SFD, Townhome, Duplex, ADU)
Logan$50.00VerifiedMechanical / HVAC Permit
MapletonBased on IBC valuation table, multiplied by a 0.005 factorVerifiedvia Residential Building PermitResidential Building Permit
Midvale5% of the Building Permit FeeVerifiedMechanical / HVAC Permit
Millcreek$70VerifiedMechanical / HVAC Permit
Moab$1.00–$500.00: $85.00 flat. $501.00–$2,000.00: $100.00 for the first $500 plus $3.66 for each additional $100 (or fraction). $2,001.00–$25,000.00: $119.90 for the first $2,000 plus $16.80 for each additional $1,000 (or fraction). $25,001.00–$50,000.00: $506.30 for the first $25,000 plus $12.12 for each additional $1,000. $50,001.00–$100,000.00: $809.30 for the first $50,000 plus $8.40 for each additional $1,000. $100,001.00–$500,000.00: $1,229.30 for the first $100,000 plus $6.72 for each additional $1,000. $500,001.00–$1,000,000.00: $3,917.30 for the first $500,000 plus $6.72 for each additional $1,000. $1,000,001.00 and up: $7,277.30 for the first $1,000,000 plus $6.72 for each additional $1,000.Verifiedvia Residential Building PermitResidential Building Permit
Monticello$1–$500: $23.50 flat. $501–$2,000: $23.50 for the first $500 plus $3.05 for each additional $100. $2,001–$25,000: $69.25 for the first $2,000 plus $14.00 for each additional $1,000. $25,001–$50,000: $391.25 for the first $25,000 plus $10.10 for each additional $1,000. $50,001–$100,000: $643.75 for the first $50,000 plus $7.00 for each additional $1,000. $100,001–$500,000: $993.75 for the first $100,000 plus $5.60 for each additional $1,000. $500,001–$1,000,000: $3,233.75 for the first $500,000 plus $4.75 for each additional $1,000. $1,000,000 and up: $5,608.75 for the first $1,000,000 plus $3.15 for each additional $1,000.Verifiedvia Residential Building PermitResidential Building Permit
Morgan County$100.00VerifiedMechanical / HVAC Permit
Murray$100VerifiedMechanical / HVAC Permit
NephiBased off valuation (no flat citywide table published; fee computed by the contracted plans examiner/building inspector from project valuation)Verifiedvia Residential Building PermitResidential Building Permit
Nibley$1–$500: $24.00 flat. $501–$2,000: $24 for the first $500 plus $3 for each additional $1,000 (or fraction thereof). $2,001–$40,000: $69 for the first $2,000 plus $11 for each additional $1,000 (or fraction thereof). $40,001–$100,000: $487 for the first $40,000 plus $9 for each additional $1,000 (or fraction thereof). $100,001–$500,000: $1,027 for the first $100,000 plus $7 for each additional $1,000 (or fraction thereof). $500,001–$1,000,000: $3,827 for the first $500,000 plus $5 for each additional $1,000 (or fraction thereof). $1,000,001–$5,000,000: $6,327 for the first $1,000,000 plus $3 for each additional $1,000 (or fraction thereof). $5,000,001 and over: $18,327 for the first $5,000,000 plus $1 for each additional $1,000 (or fraction thereof).Verifiedvia Residential Building PermitResidential Building Permit
North LoganAs established in the 1997 Uniform Building Code (Table No. 3-A), adjusted annually by the CPIVerifiedvia Residential Building PermitResidential Building Permit
North OgdenValuation-based: 1997 Uniform Building Code, Section 107.2, Table 1-A, plus 20%Verifiedvia Residential/Commercial Building PermitResidential/Commercial Building Permit
North Salt LakeValuation-based per most recent ICC Building Valuation Data ScheduleVerifiedvia Residential Building PermitResidential Building Permit
OgdenValuation-based per Technical Code Base Fee Schedule — same table as residential building permit (minimum $70.50 for work valued at $1,200 or less)VerifiedMechanical / HVAC Permit
Orem$86.00Verifiedvia Residential Building PermitResidential Building Permit
Park City1.32% of the total valuation of construction, plus 1% state surchargeVerifiedMechanical / HVAC Permit
PaysonSee ICC valuation table with 0.75 regional multiplierVerifiedvia Residential Building Permit (New Single Family / Additions)Residential Building Permit (New Single Family / Additions)
Plain CityValuation-based per Table 1-A of the 1997 Uniform Building Code — not a fixed dollar figure. Example brackets: $1-$500 valuation = $23.50; $501-$2,000 = $23.50 + $3.05 per additional $100 (or fraction) up to $2,000; $2,001-$25,000 = $69.25 + $14.00 per additional $1,000 (or fraction) up to $25,000; $25,001-$50,000 = $391.75 + $10.10 per additional $1,000 up to $50,000; $50,001-$100,000 = $643.75 + $7.00 per additional $1,000 up to $100,000; $100,001-$500,000 = $993.75 + $5.60 per additional $1,000 up to $500,000; $500,001-$1,000,000 = $3,233.75 + $4.75 per additional $1,000 up to $1,000,000; over $1,000,000 = $5,608.75 + $3.65 per additional $1,000.Verifiedvia Residential Building PermitResidential Building Permit
Pleasant Grove$250.00Verifiedvia Residential Building Permit (New Single Family)Residential Building Permit (New Single Family)
Pleasant View$75.00VerifiedMechanical / HVAC Permit
PriceSee city page for the current Residential Building Permit (New Home / Cabin) feeResidential Building Permit (New Home / Cabin)
Provo$75.00 minimum fee (residential). Commercial Mechanical: $175.00.VerifiedMechanical / HVAC Permit
RichfieldSee city page for the current Residential Building Permit feeResidential Building Permit
Riverdale$1–$1,100: $48.36. Scales up through published valuation brackets (e.g., $23,001–$25,000: $469.50; $50,000: $773.10; $99,001–$100,000: $1,192.50). $100,000–$500,000: $1,192.50 for the first $100,000 plus $6.75 per additional $1,000 or fraction thereof. $500,001–$1,000,000: $3,880.50 for the first $500,000 plus $5.70 per additional $1,000 or fraction thereof. $1,000,001 and up: $6,730.50 for the first $1,000,000 plus $4.40 per additional $1,000 or fraction thereof.Verifiedvia Residential Building PermitResidential Building Permit
RivertonAssessed on project valuation per the 1994 Modified UBC 1-A Fee Table (same table as the building permit); valuation estimated from scope of work per February 2020 ICC BVD TableVerifiedMechanical / HVAC Permit
Roosevelt$23.50Verifiedvia Residential/Duplex Building PermitResidential/Duplex Building Permit
RoyDerived from Table 1-A of the 1997 Uniform Building Code, applied to current ICC Building Valuation DataVerifiedvia Residential Building Permit (One & Two Family Dwellings)Residential Building Permit (One & Two Family Dwellings)
Salt Lake City$57VerifiedMechanical / HVAC Permit
Sandy$2,967Verifiedvia Single-Family New ConstructionSingle-Family New Construction
Santa ClaraBased on Valuation (current ICC rates)Verifiedvia Residential Building PermitResidential Building Permit
SantaquinCost based on the valuation of the structure, per the current Building Valuation Data sheet from the IRCVerifiedvia Residential Building PermitResidential Building Permit
Saratoga Springs$22.00 eachVerifiedMechanical / HVAC Permit
South Jordan$212VerifiedMechanical / HVAC Permit
South Ogden$0–$1,300: $47.00 flat. $1,301–$2,000: $47.00 for the first $1,300 plus $3.05 for each additional $100 or fraction thereof. $2,001–$25,000: $68.35 for the first $2,000 plus $14.00 for each additional $1,000 or fraction thereof. $25,001–$50,000: $390.35 for the first $25,000 plus $10.10 for each additional $1,000 or fraction thereof. $50,001–$100,000: $642.85 for the first $50,000 plus $7.00 for each additional $1,000 or fraction thereof. $100,001–$500,000: $992.85 for the first $100,000 plus $5.60 for each additional $1,000 or fraction thereof. $500,001–$1,000,000: $3,232.85 for the first $500,000 plus $4.75 for each additional $1,000 or fraction thereof. $1,000,001+: $5,607.85 for the first $1,000,000 plus $3.65 for each additional $1,000,000 or fraction thereof.Verifiedvia Residential Building Permit (New Construction / Additions / Alterations)Residential Building Permit (New Construction / Additions / Alterations)
South Salt LakeBuilding Fee (B) = local multiplier x Gross ICCBVD Valuation; Plan Check Fee (P) = B x 0.65; State Surcharge Fee (Y) = B x 0.01; Total = B + P + YVerifiedvia Residential Building Permit (New Construction / Addition / Remodel)Residential Building Permit (New Construction / Addition / Remodel)
South WeberGross Area x Square Foot Construction Cost x Permit Fee Multiplier, per the 2025 ICC Building Code Valuation DataVerifiedvia Residential Building Permit (New Construction)Residential Building Permit (New Construction)
Spanish ForkAs set by 2021 IRC/IBC valuation table (same general Building Permit fee — no separate flat mechanical sub-permit rate is published)VerifiedMechanical / HVAC Permit
Springville$51.00VerifiedMechanical / HVAC Permit
St. GeorgeValuation-based per the 1997 Uniform Building Code fee scale (same tiers as residential building permit above)VerifiedMechanical / HVAC Permit
Syracuse$100.00 for Building Value $1-$1,000; $100.00 + $2.70 per addl. $100 (or fraction) for $1,001-$2,000; $127.00 + $16.80 per addl. $1,000 (or fraction) for $2,001-$25,000; $513.00 + $12.11 per addl. $1,000 (or fraction) for $25,001-$50,000; $816.00 + $8.40 per addl. $1,000 (or fraction) for $50,001-$100,000; $1,236.00 + $6.72 per addl. $1,000 (or fraction) for $100,001-$500,000; $3,924.00 + $5.70 per addl. $1,000 (or fraction) for $500,001-$1,000,000; $6,774.00 + $4.65 per addl. $1,000 (or fraction) for $1,000,000.00+Verifiedvia Residential Building Permit (New Home / Addition / Remodel)Residential Building Permit (New Home / Addition / Remodel)
Taylorsville$60.00VerifiedMechanical / HVAC Permit
TooeleCalculated from project valuation using IBC-established rate tablesVerifiedvia Residential Building PermitResidential Building Permit
Tremonton1% of Building ValuationVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Beaver CountyDetermined by the current IBC/IRC valuation methodologyVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Box Elder CountyState ICC Fee Structure (valuation-based; no flat dollar table published)Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Cache County$75VerifiedMechanical / HVAC Permit
Unincorporated Carbon CountySee city page for the current Residential Building Permit (New Home / Cabin) feeResidential Building Permit (New Home / Cabin)
Unincorporated Daggett County$600 (nonrefundable at application; credited toward final plan-check/permit cost)Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Davis County$202.00 minimumVerifiedMechanical / HVAC Permit
Unincorporated Duchesne CountyCalculated from the county-adopted cost-per-square-foot valuation table published in the August issue of the ICC Building Safety Journal, applied to the project's estimated construction cost valuationVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Emery CountyValuation-based, per square foot value assigned to each building component (basement, main floor, second floor, garage, carport, covered porch/patio/deck, on-site improvements, storage shed, remodel) using the ICBO 1997 Uniform Building Code (UBC) valuation/fee scheduleVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Garfield County$60.00Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Grand County$65.00Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Iron CountyB.P. $111.25 + State FeeVerifiedMechanical Permit (Furnace, Gas Line/Meter, etc.)
Unincorporated Juab CountyValuation-based; computed by the Planning and Zoning Department from the applicant's Total Valuation at time of reviewVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Kane CountyBased on ICC Current Valuation Data (average ~$2,500 per current-cycle reference) plus a 25% plan check fee and a 1% state education feeVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Millard County$25.00 + 1% state surcharge ($0.25) = $25.25 totalVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Piute CountySee city page for the current Residential Building Permit feeResidential Building Permit
Unincorporated Rich CountySet by the fee table in the International Residential Code (IRC) edition adopted at the time of application — Rich County does not publish a separate dollar-figure fee schedule; per Rich County Ordinance for Building Permits and Certificates of Occupancy (adopted 2025), Section 2.D: 'The County adopts the building permit fees set out in the International Residential Code applicable at the time of application.'Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Salt Lake County$70.00VerifiedMechanical / HVAC Permit
Unincorporated San Juan County1.75 × square footage of the structure (example given by the county: 2,000 sq ft = $3,500)Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Sanpete CountySee city page for the current Residential Building Permit feeResidential Building Permit
Unincorporated Sevier CountySee city page for the current Residential Building Permit feeResidential Building Permit
Unincorporated Summit County0.0075 (3/4 of 1%) of construction valuation; $100 minimum fee (covers the cost of one inspection)Verifiedvia Residential Building PermitResidential Building Permit
Unincorporated Tooele CountyValuation-based, per Uniform Building Code fee-calculation provisionsVerifiedvia Residential Building PermitResidential Building Permit
Unincorporated Uintah County$50.00VerifiedMechanical / HVAC Permit
Unincorporated Utah County$101.00VerifiedMechanical / HVAC Permit
Unincorporated Wasatch Countyapprox. $1.25 per sq ft (as of 6/13/2016 per the county's published FAQ figure; includes all square footage — finished, unfinished garage, porches, and decks)Verifiedvia Residential Building Permit (Single Family Dwelling, New Construction)Residential Building Permit (Single Family Dwelling, New Construction)
Unincorporated Washington CountyValuation-based per the Washington County building permit fee schedule (see residential building permit fees above)VerifiedMechanical / HVAC Permit
Unincorporated Wayne CountySee city page for the current Residential Building Permit feeResidential Building Permit
Unincorporated Weber County$100.00VerifiedMechanical / HVAC Permit
Vernal$50.00 + $10 per additional fixtureVerifiedMechanical / HVAC Permit (Maintenance / Repair)
Vineyard$1 to $1,300: $86 flat. $1,301–$2,000: $86 for the first $1,300 plus $3 per additional $100 or fraction thereof. $2,001–$40,000: $107 for the first $2,000 plus $11 per additional $1,000 or fraction thereof. $40,001–$100,000: $525 for the first $40,000 plus $9 per additional $1,000 or fraction thereof. $100,001–$500,000: $1,065 for the first $100,000 plus $7 per additional $1,000 or fraction thereof. $500,001–$1,000,000: $3,865 for the first $500,000 plus $5 per additional $1,000 or fraction thereof. $1,000,001–$5,000,000: $6,365 for the first $1,000,000 plus $3.50 per additional $1,000 or fraction thereof. $5,000,001 and over: $20,354 for the first $5,000,000 plus $2 per additional $1,000 or fraction thereof.Verifiedvia Residential Building Permit (New Construction / Addition / Remodel)Residential Building Permit (New Construction / Addition / Remodel)
Washington City$30.00Verifiedvia Residential Building Permit (Single Family)Residential Building Permit (Single Family)
Washington TerraceSet by the 'Building Permit Fee Schedule' in the most current adopted code edition, applied to project valuation determined from the 'Building Valuation Data' table published in the current issue of ICC's 'Building Standards.'Verifiedvia Residential Building PermitResidential Building Permit
West Bountiful$1,000Verifiedvia Residential Building PermitResidential Building Permit
West HavenEstablished in WHCC § 151.15, as amendedVerifiedvia Residential Building Permit (New Construction / Additions / Remodels)Residential Building Permit (New Construction / Additions / Remodels)
West Jordan$70VerifiedMechanical / HVAC Permit
West PointBased on building valuation and square footageVerifiedvia Residential Building PermitResidential Building Permit
West Valley City$53VerifiedMechanical / HVAC Permit
Woods Cross$1.00–$500.00: $24.70 flat. $501.00–$2,000.00: $24.70 + $3.20 per additional $100 (or fraction). $2,001.00–$25,000.00: $72.70 + $14.70 per additional $1,000 (or fraction). $25,001.00–$50,000.00: $410.80 + $10.60 per additional $1,000. $50,001.00–$100,000.00: $675.80 + $7.40 per additional $1,000. $100,001.00–$500,000.00: $1,045.80 + $5.90 per additional $1,000. $500,001.00–$1,000,000.00: $3,405.80 + $5.00 per additional $1,000. $1,000,001.00 and up: $5,905.80 + $3.80 per additional $1,000.Verifiedvia Residential Building Permit (New Single-Family Dwelling)Residential Building Permit (New Single-Family Dwelling)

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