HVAC replacement cost in Tacoma, WA

Average $7,500; common $5,000 to $12,500; up to $22,000 with new ductwork.

A typical HVAC replacement in Tacoma, WA is about $8,486, including a permit fee of $221.29.

What we assumed

For the permit line we assumed a stand-alone MECHR like-for-like 3-ton (36,000 BTU) furnace+AC under City of Tacoma PDS Fee Schedule Table 9-3 Replacement of Individual Mechanical Units at 2.81% of Construction Value (Minimum Fee $190, Note 2), plus Technology program 5%, at the official $7,500 typical valuation, so the typical fee is $221.29 ($210.75 + $10.54). Low $199.50 and high $472.08 use the same path at $5,000 and $16,000. Electrical is separate. Full arithmetic is in the calculation note on this page.

Questions about this estimate

How much does HVAC replacement cost in Tacoma, WA?

Typical all-in is about $8,486. The official local permit fee of $221.29 ($210.75 mechanical + $10.54 tech) is included in the all-in.

Is a permit required for HVAC replacement in Tacoma, WA?

Yes. City of Tacoma Planning and Development Services requires a permit for a typical HVAC replacement in Tacoma, WA. The typical listed fee is $221.29. The official path is stand-alone MECHR under Table 9-3 Replacement of Individual Mechanical Units at 2.81% of Construction Value (Minimum Fee $190, Note 2), plus Technology program 5%. The Note 1 combination path is excluded. Electrical is separate.

What is included in this HVAC replacement estimate for Tacoma, WA?

The estimate is labor adjusted for local wages in Tacoma, WA, plus materials at the national figure, at the typical size in the table above. The official typical permit fee of $221.29 is included in the all-in typical. That $221.29 is Mechanical permit Table 9-3 $210.75 plus Technology program 5% $10.54. Electrical is separate and is not included in that total.

Why might the Tacoma permit fee differ from this typical figure?

The official Tacoma, WA fee comes from City of Tacoma PDS Fee Schedule effective January 1, 2026, Table 9-3 (SFR/duplex mechanical) (valuation). The typical path is $221.29 for a stand-alone MECHR like-for-like 3-ton (36,000 BTU) furnace+AC under Table 9-3 at 2.81% plus Technology program 5%. Low $199.50, typical $221.29, and high $472.08 are in the calculation note on this page. This row is stand-alone MECHR. The Note 1 combination path is excluded and is not totaled here. Electrical is separate and is not included in the official $199.50 / $221.29 / $472.08 totals. WA SBCC $6.50 is not added on mechanical-only permits. Verify with City of Tacoma Planning and Development Services.

How is the typical permit fee calculated for HVAC replacement in Tacoma, WA?

Listed Table 9-3 bands are low $199.50 at $5,000 (min $190 + 5% tech), typical $221.29 at $7,500 ($210.75 + $10.54), and high $472.08 at $16,000. Full arithmetic is in the calculation note on this page.

What project value is this HVAC replacement permit fee based on in Tacoma, WA?

Project values used only for the permit formula (not your total cost): low $5,000, typical $7,500, and high $16,000. The official typical project value is $7,500. The permit totals at those values are $199.50, $221.29, and $472.08. The formula is Table 9-3 at 2.81% of Construction Value (Minimum Fee $190) plus Technology program 5%.

How much does HVAC replacement cost for 1 or 2 systems in Tacoma?

The documented typical job is a 3-ton (36,000 BTU) like-for-like split system. This cost model prices that job as one system. The cost-by-size rows include 1 system and 2 systems. At 1 system in Tacoma, WA the all-in is $5,710 low, $8,486 typical, and $24,716 high. Those all-in figures add the model's rounded permit for the official Table 9-3 bands. The official fees are $199.50, $221.29, and $472.08. The model rounds each to the nearest dollar before adding it, so the all-in uses $200 on the low, $221 on the typical, and $472 on the high. The permit is based on the assumed valuation, so it is not rescaled when the system count changes. At 2 systems the all-in typical is $16,751.

What does the typical $221.29 HVAC permit fee include in Tacoma?

The official typical HVAC permit in Tacoma, WA is $221.29. That total is Mechanical permit Table 9-3 $210.75 plus Technology program 5% $10.54. Both extras are included. Electrical is separate and is not part of that $221.29. The Note 1 combination path is excluded from this typical.

Why are the low, typical, and high HVAC permit fees $199.50, $221.29, and $472.08 in Tacoma?

The low, typical, and high fees are three applications of the same City of Tacoma Table 9-3 path, not three different schedules. Low $5,000: 2.81% is $140.50, which is below the $190 minimum, so mechanical is $190.00; plus Technology 5% ($9.50) = $199.50. Typical $7,500: 2.81% is $210.75; plus Technology 5% ($10.54) = $221.29. High $16,000: 2.81% is $449.60; plus Technology 5% ($22.48) = $472.08. WA SBCC $6.50 is not added on mechanical-only permits.

Is electrical included in the Tacoma HVAC permit fee?

Electrical is separate on this listed row. The typical $221.29 is mechanical Table 9-3 plus Technology 5% only. This row does not invent an electrical permit dollar, and the Note 1 combination path is excluded from the typical total.

Is the Tacoma HVAC permit the same as Seattle or Pierce County?

These totals are for the City of Tacoma, not Seattle and not unincorporated Pierce County. Confirm the stand-alone MECHR Table 9-3 path with City of Tacoma Planning and Development Services before you apply.