How much does septic tank cleaning cost in Japan?

¥28,516 per visit, as of September 2026 — the unweighted average of 77 surveyed cities in the government's retail price survey.

Which Japanese city has the cheapest septic tank cleaning?

Among the surveyed cities in September 2026, Fujisawa was cheapest at ¥8,110 and Oita the most expensive at ¥66,000.

How much have septic tank cleaning prices changed in Japan over the past year?

As of September 2026, +1.2% year on year, measured by Japan's official consumer price index (2020 = 100).

How much have septic tank cleaning prices changed in Japan over the past five years?

+8.9% compared with the same month five years earlier. The index now reads 109.1.

When were septic tank cleaning prices in Japan at their highest?

The series peaked at 109.1 in April 2026. The latest reading is 0.0% against that peak.

What is the difference between the index and the yen price?

This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).

Furniture & household · code 4515

Septic tank cleaning price in Japan

浄化槽清掃代

Average retail price

¥28,516per visit+1.4% year on year

2026-09 · unweighted average of 77 surveyed cities

Surveyed specification: 合併処理浄化槽（大臣認定型），５人槽，総容量２．１㎥又は引き抜き汚泥量１．６㎥

Cheapest surveyed city: ¥8,110 Fujisawa
Priciest surveyed city: ¥66,000 Oita

Price in your city:

¥58,960per visit+106.8% vs national average#50 cheapest of 51 cities

See all 51 cities, cheapest first

#	City	Price (JPY) · per visit
1	Kawasaki	¥14,390
2	Utsunomiya	¥15,840
3	Kochi	¥16,500
4	Sagamihara	¥16,520
5	Nara	¥17,600
6	Kagoshima	¥17,600
7	Naha	¥18,800
8	Niigata	¥19,140
9	Saitama	¥19,360
10	Tokushima	¥19,360
11	Osaka	¥19,800
12	Kobe	¥19,800
13	Hiroshima	¥19,800
14	Hamamatsu	¥20,210
15	Sakai	¥20,500
16	Shizuoka	¥20,790
17	Kumamoto	¥20,900
18	Nagoya	¥21,120
19	Yamaguchi	¥21,120
20	Chiba	¥22,880
21	Tottori	¥23,100
22	Aomori	¥24,400
23	Okayama	¥25,660
24	Fukushima	¥25,677
25	Otsu	¥26,400
26	Maebashi	¥27,720
27	Akita	¥28,000
28	Yamagata	¥28,160
29	Mito	¥28,600
30	Nagasaki	¥28,600
31	Miyazaki	¥29,590
32	Tsu	¥31,680
33	Morioka	¥32,472
34	Kyoto	¥33,000
35	Matsuyama	¥34,650
36	Wakayama	¥34,670
37	Gifu	¥34,760
38	Toyama	¥36,000
39	Kanazawa	¥37,023
40	Matsue	¥37,070
41	Nagano	¥37,975
42	Takamatsu	¥38,390
43	Yokohama	¥40,000
44	Kofu	¥40,000
45	Saga	¥40,466
46	Fukui	¥40,700
47	Sendai	¥48,600
48	Fukuoka	¥51,700
49	Kitakyushu	¥55,550
50	Sapporo	¥58,960
51	Oita	¥66,000

Retail price survey conducted by the Statistics Bureau of Japan. This is a survey average, not a shop price — actual prices vary by store. 総務省統計局小売物価統計調査 · Surveyed items and specifications

Key facts

Septic tank cleaning costs ¥28,516 per visit in Japan as of September 2026 — the unweighted average of 77 surveyed cities, up 1.4% from a year earlier. Measured as an index, the official CPI for septic tank cleaning reads 109.1 (2020 = 100) in September 2026, up 1.2% year on year and up 8.9% over five years.

Septic tank cleaning sits in the furniture & household group of Japan's CPI basket, with 141 monthly observations from January 2015 to September 2026. The series peaked at 109.1 in April 2026 and bottomed at 95.0 in January 2015; the latest reading is 0.0% against that peak. Against ten years ago it is +13.3%.

Latest CPI

109.1

2026-09 (2020=100)

YoY %

+1.2%

5y change %

+8.9%

Change since 2015-01

+14.8%

Annual average index by year

Annual average consumer price index for Septic tank cleaning in Japan (2020 = 100)
Year	Index	YoY %	Months
2015	95.1	—	12
2016	96.0	+0.9%	12
2017	96.5	+0.5%	12
2018	96.5	0.0%	12
2019	97.7	+1.2%	12
2020	100.0	+2.4%	12
2021	100.2	+0.2%	12
2022	100.4	+0.2%	12
2023	101.9	+1.5%	12
2024	103.9	+2.0%	12
2025	106.6	+2.6%	12
2026	108.8	+2.1%	9

Average of the monthly index values in each year (2020 = 100). Blank months are excluded.

Average retail price by month

2026-09	¥28,516
2026-08	¥28,516
2026-07	¥28,516
2026-06	¥28,559
2026-05	¥28,559
2026-04	¥28,540
2026-03	¥28,184
2026-02	¥28,184
2026-01	¥28,184
2025-12	¥28,184
2025-11	¥28,184
2025-10	¥28,184
2025-09	¥28,124

Frequently asked questions

How much does septic tank cleaning cost in Japan?: ¥28,516 per visit, as of September 2026 — the unweighted average of 77 surveyed cities in the government's retail price survey.
Which Japanese city has the cheapest septic tank cleaning?: Among the surveyed cities in September 2026, Fujisawa was cheapest at ¥8,110 and Oita the most expensive at ¥66,000.
How much have septic tank cleaning prices changed in Japan over the past year?: As of September 2026, +1.2% year on year, measured by Japan's official consumer price index (2020 = 100).
How much have septic tank cleaning prices changed in Japan over the past five years?: +8.9% compared with the same month five years earlier. The index now reads 109.1.
When were septic tank cleaning prices in Japan at their highest?: The series peaked at 109.1 in April 2026. The latest reading is 0.0% against that peak.
What is the difference between the index and the yen price?: This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).