Kiambu County is one of the fastest-growing residential belts around Nairobi. From the leafy estates along Kiambu Road to the busy commuter towns of Ruiru, Thika, Kikuyu, Limuru and Ruaka, thousands of homes, schools, hotels and commercial buildings depend on septic tanks, soak pits and cesspools rather than a main sewer line. When those systems fill up, an exhauster truck is the only practical fix, which is why finding reliable exhauster services in Kiambu is a recurring concern for homeowners, landlords and property managers alike.
Choosing the wrong provider can mean overflowing tanks, foul odours, public health risks and unexpected bills. Choosing well means a fast response, safe and lawful waste disposal, and a tank that stays in working order.
What You Will Find in This Guide
For each company you will find an introduction covering what it does, and its working hours, followed by a table with the company name, services summary, contacts and address. The contact row links to the company's Google Maps listing, where the latest phone number, WhatsApp link, photos and reviews are shown. Always confirm availability and pricing before booking.
1. Bestcare Services
Bestcare Services is one of the best-reviewed names when people search for exhauster services in Kiambu. The company is listed as open 24 hours, Monday to Saturday, and customers praise its diligent crew, fair prices and quick response, including in Ruiru and Kikuyu. It serves residential, commercial and institutional clients.
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Detail |
Information |
|---|---|
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Name |
Bestcare Services |
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Services summary |
24/7 septic tank and pit latrine exhaustion, sewer and drainage unblocking, manhole cleaning, grease trap cleaning for commercial kitchens, system inspections, routine maintenance and bulk water supply |
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Contacts |
0709004600 (from a published Nairobi exhauster directory); |
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Address |
Waiyaki Way, Nairobi, Kenya |
2. Maji Hill
Maji Hill is a sanitation and water company working across Nairobi and Kiambu, with a 4.9-star rating from 30 reviews and more than five years in the industry. Reviewers highlight prompt exhauster dispatch, affordable sewer unblocking and professional plumbing work. It is open Monday to Friday from 8 AM to 5 PM and on Saturday from 9 AM to 1 PM.
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Detail |
Information |
|---|---|
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Name |
Maji Hill |
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Services summary |
Septic tank exhauster services, sewer unblocking, bulk water delivery, borehole drilling, plumbing repairs and reticulation, and IoT-based smart water monitoring |
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Contacts |
Online estimates available; Google Maps listing |
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Address |
QRCR+2MW, Kiambu Road, Nairobi, Kenya |
3. Hoscec Plumbing Services Company
Hoscec Plumbing Services is a high-volume Google Maps listing, rated 4.9 stars from 145 reviews, and it appears for searches covering Ruiru and surrounding Kiambu towns. Customers mention low, fair pricing and fast response, and the business is listed as open 24 hours, seven days a week.
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Detail |
Information |
|---|---|
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Name |
Hoscec Plumbing Services Company |
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Services summary |
Septic tank exhausting and cleaning, hydrojetting for blocked drains, drainage clearing, water tank installation, plumbing repair for homes and commercial properties |
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Contacts |
Online estimates and mobile payments accepted; Google Maps listing |
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Address |
Norwich Union House, Kimathi Lane, Nairobi, Kenya |
4. Premiumplumbing Ltd Kenya
Based in Kiambu itself, Premiumplumbing Ltd Kenya holds a 5-star rating from 61 reviews. Reviewers praise its flexibility, affordability and punctuality. It is listed as open 24 hours every day, which makes it a handy contact for emergency drainage problems.
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Detail |
Information |
|---|---|
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Name |
Premiumplumbing Ltd Kenya |
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Services summary |
Drainage unblocking, bio-digester construction, new plumbing installations, bathroom renovations, solar water heating, pump repairs and gutter installation |
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Contacts |
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Address |
Keigi House, Kiambu, Kenya |
5. BioSeptic Sewage Systems
BioSeptic Sewage Systems sits along Kiambu Road and is listed as open 24 hours, seven days a week. It focuses on treating wastewater at source, which can reduce how often a property needs an exhauster truck.
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Detail |
Information |
|---|---|
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Name |
BioSeptic Sewage Systems |
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Services summary |
Sewage and wastewater treatment plants, grease interceptors, aerobic and anaerobic biodigesters built to NEMA and Ministry of Water and Environment parameters |
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Contacts |
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Address |
Kiambu Road, near KIST and Muthithi Road, Kenya |
6. Sewage Exhauster Services
Sewage Exhauster Services is a dedicated septic pumping operator with a 5-star rating from 2 reviews. Its Google Maps pin sits on the Nairobi side of the Ruiru and Kahawa Sukari corridor. Note that appointments are required in advance and work is done onsite.
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Detail |
Information |
|---|---|
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Name |
Sewage Exhauster Services |
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Services summary |
Septic tank pumping, maintenance and inspections, and drain line unblocking for residential and commercial clients |
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Contacts |
Appointment required; Google Maps listing |
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Address |
Nairobi, Kenya (street address not shown on the listing) |
7. Kiambu Water & Sewerage Co. (KIWASCO)
Kiambu Water and Sewerage Company is the local water utility serving Kiambu sub-county. It is not an exhauster contractor, but it is a useful first call for properties connected to the sewer network and for questions about sewerage in town. Its Google rating is low (2 stars from 3 reviews), so treat it as an information point. It is open Monday to Thursday from 8 AM to 5 PM and Friday from 8 AM to 4 PM.
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Detail |
Information |
|---|---|
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Name |
Kiambu Water & Sewerage Co. |
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Services summary |
Public water supply and sewerage services within Kiambu sub-county |
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Contacts |
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Address |
Ministry of Water offices, Hospital Lane, along Kiambu Street, behind Kiambu Law Courts (RRHJ+FMC), Kiambu, Kenya |
8. Trash Handlers Limited
Trash Handlers Limited is a waste management company based in Wangige, serving Nairobi, Kiambu and surrounding areas. It holds a 3.9-star rating from 7 reviews and is open Monday to Friday, 9 AM to 5 PM. It suits estates and businesses that want sewer management bundled with garbage collection.
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Detail |
Information |
|---|---|
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Name |
Trash Handlers Limited |
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Services summary |
Sewer management, garbage collection and recycling, fumigation and pest control, landscaping and site clearance |
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Contacts |
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Address |
Wangige, Kenya |
9. Kiambu Plumber
Kiambu Plumber advertises coverage across Kiambu County and is listed as open 24 hours, every day. It has a 5-star rating from 5 reviews, with customers noting good knowledge of material costs and quick repairs.
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Detail |
Information |
|---|---|
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Name |
Kiambu Plumber |
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Services summary |
Drain clog clearing, toilet and faucet repairs, sump pump and water heater servicing, residential and commercial plumbing |
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Contacts |
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Address |
Kiambu County (street address not shown on the listing) |
10. Felibest Plumbing
Felibest Plumbing has a 5-star rating from 55 reviews, with customers praising its zero-error workmanship and courtesy. It is listed as open 24 hours from Monday to Saturday and offers online estimates.
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Detail |
Information |
|---|---|
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Name |
Felibest Plumbing |
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Services summary |
Sewer cleaning, water tank repair, washing machine installation and outdoor plumbing maintenance |
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Contacts |
Online estimates; Google Maps listing |
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Address |
Not shown on the listing |
11. Kush Plumbers
Kush Plumbers is a Ruiru-based repair specialist rated 5 stars from 1 review, listed as open 24 hours from Monday to Saturday. A small review count means you should ask for references before committing to larger jobs.
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Detail |
Information |
|---|---|
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Name |
Kush Plumbers |
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Services summary |
Plumbing and repair services for local homes and businesses |
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Contacts |
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Address |
Mwihoko Road, Ruiru, Kenya |
12. Kimbo Plumber
Kimbo Plumber operates from Ruiru along the Thika Superhighway and is open Monday to Saturday from 8 AM to 6 PM. Its 2.8-star rating from 4 reviews is mixed, so compare quotes and check recent reviews first.
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Detail |
Information |
|---|---|
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Name |
Kimbo Plumber |
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Services summary |
Plumbing repair services |
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Contacts |
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Address |
VX8F+GVR, behind Gatanga House, Thika Superhighway, Ruiru, Kenya |
13. Smartika Plumbers Ltd
Smartika Plumbers is a Thika-based contractor with a 4-star rating from 4 reviews. Customers describe it as reliable and efficient on construction plumbing and repairs.
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Detail |
Information |
|---|---|
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Name |
Smartika Plumbers Ltd |
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Services summary |
Construction plumbing and prompt repair services |
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Contacts |
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Address |
Thika, Kenya |
14. Watertech Services
Watertech Services, located at the Ruiru exit of the Thika Superhighway, carries a 4.7-star rating from 55 reviews. It works nationwide as far as Mombasa and handles septic system equipment and consultancy. It is open Monday to Friday, 9 AM to 5 PM, and reachable on WhatsApp.
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Detail |
Information |
|---|---|
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Name |
Watertech Services (Swimming Pool Construction and Septic Blow Aerators) |
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Services summary |
Biodigester installation, septic blow aerator construction, repair, maintenance and consultancy, plus swimming pool construction |
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Contacts |
WhatsApp and online estimates; Google Maps listing |
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Address |
VX9J+GG, Ruiru, next to Rubis Petrol Station at the toll station, Ruiru exit, Thika Superhighway, Kenya |
15. Bio Tank Africa
Bio Tank Africa has a 4.9-star rating from 150 reviews and more than six years of experience manufacturing and distributing biological septic tanks and plastic biodigesters. Its Thika branch is praised for replacing failing traditional septic systems. It is open Monday to Friday from 7:30 AM to 6 PM and Saturday from 8 AM to 4 PM.
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Detail |
Information |
|---|---|
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Name |
Bio Tank Africa |
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Services summary |
Manufacture and supply of biological septic tanks and factory-made plastic biodigesters, onsite wastewater solutions meeting NEMA recommendations |
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Contacts |
WhatsApp support; Google Maps listing |
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Address |
Garissa Road, Thika, Kenya |
16. Homecare Biodigesters
Homecare Biodigesters offers an alternative to repeated exhausting. Its biological system breaks down waste through aerobic and anaerobic reactions, and the listing cites a shallow four-foot excavation and a seven-year warranty. It is rated 4.8 stars from 27 reviews.
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Detail |
Information |
|---|---|
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Name |
Homecare Biodigesters |
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Services summary |
Installation of low-maintenance biological septic systems that reduce the need for frequent exhauster dislodging |
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Contacts |
Online estimates; Google Maps listing |
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Address |
Along Eastern Bypass, Kamakis, Kenya |
17. Bio Digester Kenya
Bio Digester Kenya designs, builds and maintains bio-digesters for homes, schools, hotels, hospitals and religious institutions in Ruiru. Its Google rating is 3 stars from 2 reviews, so a small sample. It is open Monday to Friday, 9 AM to 5 PM, and takes enquiries via WhatsApp.
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Detail |
Information |
|---|---|
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Name |
Bio Digester Kenya |
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Services summary |
Design, construction and maintenance of bacteria-based bio-digesters as an alternative to septic tanks |
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Contacts |
WhatsApp; Google Maps listing |
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Address |
Greece Towers, Kamiti Road, Ruiru, Kenya |
18. Waste Solutions Kenya
Waste Solutions Kenya is listed as a sewage treatment and waste management provider open 24 hours, every day, for household, sewage and industrial wastewater needs. The listing has no reviews or street address, so verify details by phone.
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Detail |
Information |
|---|---|
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Name |
Waste Solutions Kenya |
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Services summary |
Sewage treatment and waste management for household waste, sewage and industrial wastewater |
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Contacts |
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Address |
Not shown on the listing |
19. Exhauster (Central Close)
This listing, simply named Exhauster, is a waste management service with a 5-star rating from 1 review. Its pin is on the Nairobi side near the Githurai, Kahawa and Kamiti area, which borders Kiambu County. It is open Monday to Friday, 9 AM to 5 PM.
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Detail |
Information |
|---|---|
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Name |
Exhauster |
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Services summary |
Waste management and exhauster services |
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Contacts |
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Address |
QVPC+5HP, Central Close, Nairobi, Kenya |
20. EXHAUSTER SERVICES (Kabiro Road)
This sewage disposal operator appeared in Google Maps searches for Kikuyu and is open Monday to Saturday from 6 AM to 10 PM, longer hours than most. Customers are asked to call during operating hours.
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Detail |
Information |
|---|---|
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Name |
EXHAUSTER SERVICES |
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Services summary |
Local sewage disposal and exhauster waste management |
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Contacts |
Phone via Google Maps listing |
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Address |
Kawangware Road, off Kabiro Road, Nairobi, Kenya |
How to Choose the Right Provider
When comparing exhauster services in Kiambu, a few checks save money and trouble. Confirm the company is licensed by NEMA or the county government, since licensed operators dispose of sewage legally. Ask for a written quote based on your tank size and access, and check whether the truck can reach your compound. Read recent Google reviews for punctuality and cleanliness, and ask whether the company offers emergency call-outs if your tank overflows.
If you are tired of repeated pumping, consider a bio-digester from one of the specialists listed above. These systems treat waste on site and can reduce how often you need to call an exhauster.
From Kiambu Road and Kiambu town to Ruiru, Thika, Wangige and Kamakis, there is no shortage of options for exhauster services in Kiambu. Dedicated exhauster operators handle the emptying, plumbers and drainage firms clear blocked sewers, and bio-digester specialists offer longer-term fixes. Use the Google Maps links above to check current phone numbers, hours and reviews, compare at least two quotes, and book before your tank is full rather than after it overflows.