交通影響費

Transportation impact fees in Tacoma are calculated using a schedule that varies by land use group and geographic area. The calculation begins with determining the PM peak hour vehicle trips generated by a specific development type, using standardized trip rates and ratios from the Institute of Transportation Engineers (ITE). These trip rates are then adjusted by factors such as vehicle-to-person trip ratio, as well as the passby and diverted link percentages, to estimate the net new person trips. 

The fee applied to a development depends on its land use category (e.g., residential, commercial, industrial) and its location within Tacoma. Each area—such as North Tacoma, Downtown, or Tideflats—has a different fee rate per net new person trip. In addition, certain developments may qualify for exemptions or reductions, including a 50% reduction for units near high-frequency transit that receive Multifamily Tax Exemptions, partial exemptions of up to 80% for qualifying low-income housing and early learning facilities, and full exemptions for projects that do not generate new trips. 

Ultimately, the impact fee for a development is calculated by multiplying the net new person trips per unit of measure by the applicable fee rate for the specific Tacoma area, with reductions or exemptions applied as appropriate. The 收費表 outlines the impact fee per unit of measure by land use category and geographic area in Table 7: Recommended Fee Schedule.

All transportation impact fees are due before a 建設 permit is issued by the City, and unless exempt, the City will not issue the required permit until the fee is paid in full. 

Yes, if you’re applying for a permit and have to pay an impact fee, you have the right to appeal the fee if you think it’s not correct. Here’s how it works:  

• You need to pay the impact fee in full before you can get your permit or start the appeal process. 

• You can appeal if you disagree with: 

• • How the City decided the fee that applies to your development, 

• • The City’s calculation of your fee, or 

• • Any other fee-related decision made by the Director. 

• If you want to appeal, you must file your paperwork with the City Clerk within 21 days after you receive the City’s decision. 

• The Office of the Hearing Examiner will set up a hearing, and at that point it’s up to you (the person appealing) to show that the City’s decision about the fee is wrong, using solid evidence. 

• After the hearing, the Hearing Examiner will send out a written decision, with explanations, to you and the City. The decision will state the correct amount of any taxes, interest, or penalties you owe. If you believe none of the fee categories set forth in the fee schedule accurately describes or captures the impacts of a new development on transportation facilities, you may request an independent fee calculation from the Director. It is important to gather as much information as possible regarding the projected usage, size, and nature of your development to ensure accuracy in your estimate. 

If you believe none of the fee categories 載於 the fee schedule accurately describes or captures the impacts of a new development on transportation facilities, you may request an independent fee calculation from the Director. It is important to gather as much information as possible 關於 the projected usage, size, and nature of your development to ensure accuracy in your estimate. 

If your project is canceled or modified, reach out to City of Tacoma staff to discuss your specific situation. 

To estimate the transportation impact fees for your development before submitting an application, you should review 章 10.31.0 of the Tacoma Municipal Code and the 2025 Rate Study. Assess the type and scope of your proposed development to 確定 which fee schedule or calculation method will apply.  

Dan Hansen, P.E.
Development Review Engineering Supervisor
Public Works – Transportation
dhansen1@tacoma.gov
(253) 325-8522

• Fees are often measured in terms of person or vehicle trips made during the peak commute hour or on a daily basis. Here are rates being charged by Tacoma’s neighbors for a 2025 PM peak hour trip rates:

• • FEDERAL WAY $8,138 

• • FIFE $6,413 

• • 皮爾斯縣 $5,826 

• • 普亞勒普 $4,500 

• • UNIVERSITY PLACE $3,193

Based on the calculations performed in the Rate Study, which establish a nexus between development in each district and transportation infrastructure funded by this fee program, the following cost per PM peak hour trip rates apply to each of the City’s six districts: 

• • Downtown, Dome, and Hilltop: $4,548  

• • North Tacoma: $5,132  

• • Northeast Tacoma: $741   

• • South Tacoma: $5,056  

• • Southeast Tacoma: $5,201   

• • Tideflats: $3,295 

A three percent administrative fee will be added to the calculated charges.  

The City of Tacoma has experienced significant growth over the past decade. While this expansion has offered new residential opportunities, local jobs, and services, it has also strained the public infrastructure, including roads, parks, schools, and emergency services that our community relies on. The City is committed to providing public infrastructure that meets the needs of our community and impact fees are a potential source for funding this infrastructure.   

Like many local agencies, the City of Tacoma has a significant gap in infrastructure funding. While the City Council and voters have taken meaningful and responsible measures to address some of this need—particularly when it comes to maintaining existing transportation infrastructure—the investments required to accommodate future growth are still underfunded.  

塔科馬市 採用 Transportation Impact Fees to help fund resources that all Tacomans use—things like roads, sidewalks, bike lanes, and trails.  Transportation Impact Fees are one-time charges to new developments to help fund a portion of the costs of new infrastructure needed to support new growth.  

Watch the short video below to learn more about Transportation Impact Fees and how they could benefit our community.  

• Transportation Impact Fees are based on how many trips the new development would create. For example, a single-family home would have much less impact than a large grocery store, so the fee would be substantially less for a home. The greater the impact a new development would have on our transportation system, the higher its rate would be.  

• Impact fees would apply to all types of development that affect the transportation system in different ways—like housing, retail establishments, movie theaters, hospitals, offices, and manufacturing. The impact fee rate would be higher for land use categories that generate more trips and lower for categories that generate fewer trips.  
• 影響費是幫助支付塔科馬交通系統建設費用的眾多工具之一，其他工具還包括聯邦和州政府撥款、燃油稅收入、您繳納的地方稅款以及其他來源。 

• Tacoma’s impact fee program was developed to reflect Tacoma’s values: integrity, service, excellence, and equity. This means consistency with major city initiatives like Home in Tacoma, which paves the way for more diverse, affordable, and sustainable housing options in Tacoma.  

• The City’s impact fee program provides robust exemptions and reductions for low-income housing and middle-housing, ensuring that this program continues to encourage affordable housing, while also helping build and sustain the transportation options that people traveling to and from these new developments will need. 

• Transportation Impact Fees pay for specific projects that are on the impact fee project list. This list would be updated every few years with input from the public.  

• Each project on the list is expected to be built using a combination of impact fee funds plus funding from grants or other sources. Examples of projects that could be funded by impact fees include: Complete Streets improvements on 6th Avenue in North Tacoma; development of a protected bikeway on Tyler Street in South Tacoma; and intersection updates, like the 21st and C Street intersection in Downtown Tacoma. 

• 影響費收入不能用於資助諸如道路坑洞修復、公車服務時間、公車車輛以及營運和維護成本等項目。   

• 然而，資金可用於增加新產能的用途，例如：  

• 街道和道路改線。  

• 新建自行車道和自行車設施。  

• 人行道。  

• 行人穿越道.  

• 轉彎車道。  

• 號誌燈升級和環島建設使我們的十字路口更有效率。   

• 塔科馬市製定了交通影響費計劃，旨在為全市高優先級的交通項目提供資金。該計劃涵蓋的項目複雜程度和成本各不相同，其中大多數是積極出行項目，旨在提升步行、輪滑和騎行的便利性。    

• 觀看 符合條件的項目完整清單。