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Spokane Building and Trade Permit Guide

Britain Jacobson

Britain Jacobson

Last updated:

Jul 21, 2025

Published:

July 16, 2025

Reading time:

5

minutes

If you're planning a construction, remodel, or trade project in Spokane, Washington, navigating the permitting process is step one. From high-rise developments to HVAC swaps in single-family homes, most projects need approval from the city or county before breaking ground.

This guide breaks down the essentials of securing a Spokane building permit, including requirements, costs, and how to apply.

Simplify permitting in Spokane with PermitFlow. Learn more here.

What requires a building permit in Spokane?

Whether you're inside city limits or in Spokane County, most construction-related activities require Spokane permits. 

Common examples include:

  • Any new structure, addition, or demolition
  • Accessory structures over 200 sq ft
  • Fences taller than 7 ft
  • Retaining walls over 4 ft, supporting surcharge or hazardous liquids
  • In-ground pools or pools with power-operated safety cover over 5,000 gallons
  • Decks, platforms, walks, driveways > 30 in above grade
  • Permanent stage/set constructions, structural window coverings, and fixed equipment
  • Structural renovations or changes in occupancy/use category

Projects that don’t require a permit in Spokane

  • One-story, detached accessory structures (tool sheds, playhouses) < 200 sq ft
  • Fences < 7 ft tall
  • Oil derricks
  • Retaining walls < 4 ft high (measured from footing to top), unless retaining surcharge or Class I–IIIA liquids
  • Water tanks < 5,000 gal with height-to-diameter ratio < 2:1, supported directly on grade
  • Platforms, decks, walks, and driveways < 30 in above adjacent grade, not part of an accessible route
  • Painting, wallpapering, floor/ceiling/floor finishes, cabinetry, countertops, and similar non-structural finish work
  • Temporary motion-picture/TV/theater stage sets and scenery
  • Prefab above-ground pools < 5,000 gal for residential use
  • Shade cloth nursery/agricultural structures (without service systems)

Learn more about projects that require and don't require Spokane County permits on the residential and commercial permit pages.

Spokane building permit cost

Spokane building permit fees are generally based on project valuation and scope of work. 

Here are residential and commercial fees for permits in the City of Spokane:

Value of work Fee per job value
$1 - $500 $28
$501 - $2,000 $28 + $3 for each $100 over $500
$2,001 - $25,000 $73 + $13 for each $1,000 over $2,000
$25,001 - $50,000 $372 + $10 for each $1,000 over $25,000
$50,001 - $100,000 $622 + $7 for each $1,000 over $50,000
$100,001 - $500,000 $972 + $5 for each $1,000 over $100,000
$500,001 - $1,000,000 $2,972 + $4 for each $1,000 over $500,000
$1,000,001 and over $4,972 + $3 for each $1,000 over $1,000,000

Building permit plan review fees:

Type of project Plan review fee
All commercial, industrial, mixed-use, and multifamily residences with 3+ units 65% of the building permit fee
New single-family residences and duplexes 25% of the building permit fee
Additions and new accessory structures for single-family residences and duplexes
E.g. garages, sheds, greenhouses, decks, sunrooms, bonus rooms, etc.
$25
Additional review as required by changes, additions, or plan revisions $75/hour
Processing fee $25

To learn more, refer to the City of Spokane’s building permit fee schedule.

Spokane trade permits

Trade permits are required for licensed contractors working on mechanical, electrical, plumbing, or similar systems. Here’s a breakdown:

Plumbing permits

Description Fee
Backflow preventers & vacuum breakers$11
Kitchen sinks$11
Dishwashers$11
Garbage disposals$11
Clothes washers$11
Lavatories$11
Water closets$11
Bathtubs$11
Showers/valve replacements$11
Floor drains$11
Water softeners$11
Sewer ejectors$11
Laundry trays and utility sinks$11
Bar sinks$11
Drinking fountains$11
Urinals$11

Download the City of Spokane plumbing permit application to apply.

Electrical permits

Item Fee
Alarm, telecomm, theater, and sound systems$10
Low and/or high voltage circuits$5
Feeders and subpanels$15
Temporary services$20
1–200 amp services$40
201–400 amp services$50
401–600 amp services$60
601–800 amp services$70
801–1000 amp services$80
>1000 amp services$80 + $5 per 100 amps over 1,000 amps
Light standards$7
Generators$30 + $10 per 200 amps
Transformers$30 + $10 per 200 amps

Download the City of Spokane electrical permit application to apply.

Mechanical permits

Description Fee
Fuel gas piping$3
Hydronic piping$3
Gas water heaters$13
Electric water heaters$11
Gas logs$13
Solid fuel burning appliances$13
Heating equipment ≤ 100,000 BTU or 32 KW$15
Heating equipment > 100,000 BTU or 32 KW$20
HVAC equipment circuits$5
Vent fans connected to single duct$13
Ventilation systems$13
Ductwork system remodels$13
Compressors, air conditioners, and heat pumps$15 - $75
Evaporative coolers$13
Gas clothes dryer$13
Gas ranges and commercial cooking equipment$13
Absorption or refrigeration systems$15 - $75

Download the City of Spokane mechanical permit application to apply.

Want to pull trade permits faster? PermitFlow can help — learn how.

How to apply for a building permit in Spokane

Step 1: Prepare your documents

First, you need to verify that your address is in the Spokane County or Spokane City permit service area using SCOUT Maps. Then, you have to gather all required plans and documents in the specified PDF formats (drawings, site plans, structural calculations, etc.) per the “Plan and Documents Standards.”

Step 2: Submit your application

At this stage, you have to create & verify your SmartGov portal account. Then, you need to log in to the Online Permit Center and start a new Spokane building permit form. Select the appropriate permit type (residential, commercial, plumbing, HVAC, etc.).

Step 3: Plan review

Once your submission is complete, your plans will be routed to the technical review team. You’ll receive email updates about approval notifications or requests for additional information/corrections.

Note: To monitor your permit status any time, you can use the City of Spokane permit portal.

Step 4: Pay fees and receive your permit

After the final review, an invoice for the remaining permit and state-surcharge fees is generated in your portal. Pay online (credit card, e-check) or by calling the Permit Center.

Step 5: Schedule inspections

Post the permit at the job site before any work begins. Additionally, make sure you schedule inspections via the Online Permit Center or by calling 509-720-5350. Requests before 7 a.m. are typically same-day; after 7 a.m., next business day.

Spokane permitting resources

Simplify permitting in Spokane with PermitFlow

Pulling building permits in Spokane can be time-consuming and confusing — especially if you're not familiar with the local process. Instead of sorting through paperwork, navigating city requirements, and waiting in line at city hall, let PermitFlow handle it for you.

PermitFlow is powerful permitting software that prepares, submits, and tracks your permits across every jurisdiction you work in, so you can stay focused on the job, not the red tape.

Construction and trades teams choose PermitFlow because we deliver:

  • Local expertise: Our specialists know Spokane's permit rules inside out, which means your applications are filed correctly.
  • Streamlined permit management: Monitor and organize all your permits through one user-friendly platform.
  • Speedier approvals: We prepare your submissions accurately from the start, leading to faster permitting.
Don't let permit complications hold back your projects. Reach out today to discover how PermitFlow can accelerate permitting.

If you're planning a construction, remodel, or trade project in Spokane, Washington, navigating the permitting process is step one. From high-rise developments to HVAC swaps in single-family homes, most projects need approval from the city or county before breaking ground.

This guide breaks down the essentials of securing a Spokane building permit, including requirements, costs, and how to apply.

Simplify permitting in Spokane with PermitFlow. Learn more here.

What requires a building permit in Spokane?

Whether you're inside city limits or in Spokane County, most construction-related activities require Spokane permits. 

Common examples include:

  • Any new structure, addition, or demolition
  • Accessory structures over 200 sq ft
  • Fences taller than 7 ft
  • Retaining walls over 4 ft, supporting surcharge or hazardous liquids
  • In-ground pools or pools with power-operated safety cover over 5,000 gallons
  • Decks, platforms, walks, driveways > 30 in above grade
  • Permanent stage/set constructions, structural window coverings, and fixed equipment
  • Structural renovations or changes in occupancy/use category

Projects that don’t require a permit in Spokane

  • One-story, detached accessory structures (tool sheds, playhouses) < 200 sq ft
  • Fences < 7 ft tall
  • Oil derricks
  • Retaining walls < 4 ft high (measured from footing to top), unless retaining surcharge or Class I–IIIA liquids
  • Water tanks < 5,000 gal with height-to-diameter ratio < 2:1, supported directly on grade
  • Platforms, decks, walks, and driveways < 30 in above adjacent grade, not part of an accessible route
  • Painting, wallpapering, floor/ceiling/floor finishes, cabinetry, countertops, and similar non-structural finish work
  • Temporary motion-picture/TV/theater stage sets and scenery
  • Prefab above-ground pools < 5,000 gal for residential use
  • Shade cloth nursery/agricultural structures (without service systems)

Learn more about projects that require and don't require Spokane County permits on the residential and commercial permit pages.

Spokane building permit cost

Spokane building permit fees are generally based on project valuation and scope of work. 

Here are residential and commercial fees for permits in the City of Spokane:

Value of work Fee per job value
$1 - $500 $28
$501 - $2,000 $28 + $3 for each $100 over $500
$2,001 - $25,000 $73 + $13 for each $1,000 over $2,000
$25,001 - $50,000 $372 + $10 for each $1,000 over $25,000
$50,001 - $100,000 $622 + $7 for each $1,000 over $50,000
$100,001 - $500,000 $972 + $5 for each $1,000 over $100,000
$500,001 - $1,000,000 $2,972 + $4 for each $1,000 over $500,000
$1,000,001 and over $4,972 + $3 for each $1,000 over $1,000,000

Building permit plan review fees:

Type of project Plan review fee
All commercial, industrial, mixed-use, and multifamily residences with 3+ units 65% of the building permit fee
New single-family residences and duplexes 25% of the building permit fee
Additions and new accessory structures for single-family residences and duplexes
E.g. garages, sheds, greenhouses, decks, sunrooms, bonus rooms, etc.
$25
Additional review as required by changes, additions, or plan revisions $75/hour
Processing fee $25

To learn more, refer to the City of Spokane’s building permit fee schedule.

Spokane trade permits

Trade permits are required for licensed contractors working on mechanical, electrical, plumbing, or similar systems. Here’s a breakdown:

Plumbing permits

Description Fee
Backflow preventers & vacuum breakers$11
Kitchen sinks$11
Dishwashers$11
Garbage disposals$11
Clothes washers$11
Lavatories$11
Water closets$11
Bathtubs$11
Showers/valve replacements$11
Floor drains$11
Water softeners$11
Sewer ejectors$11
Laundry trays and utility sinks$11
Bar sinks$11
Drinking fountains$11
Urinals$11

Download the City of Spokane plumbing permit application to apply.

Electrical permits

Item Fee
Alarm, telecomm, theater, and sound systems$10
Low and/or high voltage circuits$5
Feeders and subpanels$15
Temporary services$20
1–200 amp services$40
201–400 amp services$50
401–600 amp services$60
601–800 amp services$70
801–1000 amp services$80
>1000 amp services$80 + $5 per 100 amps over 1,000 amps
Light standards$7
Generators$30 + $10 per 200 amps
Transformers$30 + $10 per 200 amps

Download the City of Spokane electrical permit application to apply.

Mechanical permits

Description Fee
Fuel gas piping$3
Hydronic piping$3
Gas water heaters$13
Electric water heaters$11
Gas logs$13
Solid fuel burning appliances$13
Heating equipment ≤ 100,000 BTU or 32 KW$15
Heating equipment > 100,000 BTU or 32 KW$20
HVAC equipment circuits$5
Vent fans connected to single duct$13
Ventilation systems$13
Ductwork system remodels$13
Compressors, air conditioners, and heat pumps$15 - $75
Evaporative coolers$13
Gas clothes dryer$13
Gas ranges and commercial cooking equipment$13
Absorption or refrigeration systems$15 - $75

Download the City of Spokane mechanical permit application to apply.

Want to pull trade permits faster? PermitFlow can help — learn how.

How to apply for a building permit in Spokane

Step 1: Prepare your documents

First, you need to verify that your address is in the Spokane County or Spokane City permit service area using SCOUT Maps. Then, you have to gather all required plans and documents in the specified PDF formats (drawings, site plans, structural calculations, etc.) per the “Plan and Documents Standards.”

Step 2: Submit your application

At this stage, you have to create & verify your SmartGov portal account. Then, you need to log in to the Online Permit Center and start a new Spokane building permit form. Select the appropriate permit type (residential, commercial, plumbing, HVAC, etc.).

Step 3: Plan review

Once your submission is complete, your plans will be routed to the technical review team. You’ll receive email updates about approval notifications or requests for additional information/corrections.

Note: To monitor your permit status any time, you can use the City of Spokane permit portal.

Step 4: Pay fees and receive your permit

After the final review, an invoice for the remaining permit and state-surcharge fees is generated in your portal. Pay online (credit card, e-check) or by calling the Permit Center.

Step 5: Schedule inspections

Post the permit at the job site before any work begins. Additionally, make sure you schedule inspections via the Online Permit Center or by calling 509-720-5350. Requests before 7 a.m. are typically same-day; after 7 a.m., next business day.

Spokane permitting resources

Simplify permitting in Spokane with PermitFlow

Pulling building permits in Spokane can be time-consuming and confusing — especially if you're not familiar with the local process. Instead of sorting through paperwork, navigating city requirements, and waiting in line at city hall, let PermitFlow handle it for you.

PermitFlow is powerful permitting software that prepares, submits, and tracks your permits across every jurisdiction you work in, so you can stay focused on the job, not the red tape.

Construction and trades teams choose PermitFlow because we deliver:

  • Local expertise: Our specialists know Spokane's permit rules inside out, which means your applications are filed correctly.
  • Streamlined permit management: Monitor and organize all your permits through one user-friendly platform.
  • Speedier approvals: We prepare your submissions accurately from the start, leading to faster permitting.
Don't let permit complications hold back your projects. Reach out today to discover how PermitFlow can accelerate permitting.
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