Every kos management guide, gathered on one page.
Seventeen practical guides for kos owners: tidying up daily operations, collecting rent, closing the month’s books, splitting the electricity bill per room, understanding rental tax, and four document templates you can download as they are. Pick the topic you need right now — all of it is free to read, with no sign-up.
The guides themselves are written in Bahasa Indonesia. This page — every title and summary below — is in English so you can tell what each one covers before you open it.
Day-to-day operations
Ten guides that shape the weekly routine of running a kos: tidying your records, collecting rent, closing the month, keeping rooms occupied, handling problem tenants, managing deposits, spelling your listing right, taking daily and weekly guests, and working with a caretaker.
Managing a kos day to day
The groundwork for a tidy kos: room and tenant records, billing dates, operating costs, and a routine that no longer lives in chat threads.
Bahasa IndonesiaCollecting rent without the awkwardness
A calm but firm way to chase rent: due dates, payment reminders, invoice status, proof of transfer, and follow-up wording you can copy.
Bahasa IndonesiaBuilding a monthly kos financial report
How to produce a monthly report you actually use: rent income, operating costs, arrears, room occupancy, and next month’s decisions.
Bahasa IndonesiaReducing empty kos rooms
Work out why rooms sit empty first, then fix it through pricing, room photos, listed facilities, and how fast you answer enquiries.
Free templateBahasa IndonesiaEvicting a problem tenant
A six-step escalation ladder from a verbal warning to the courts, plus five self-help actions that backfire on the owner.
Free templateBahasa IndonesiaKos deposits: how much, and when to deduct
What the law actually says, a fair deposit amount, which deductions hold up, and a move-in and move-out inspection template.
Bahasa IndonesiaKos or kost? The correct spelling
What the KBBI dictionary says, where the t comes from, and which spelling to use in a kos listing.
Bahasa IndonesiaDaily kos: renting by the night
When it pays, how to price a night without losing money, rules for nightly guests, and how to record them.
Bahasa IndonesiaWeekly kos: pricing and billing
Why a weekly price is not the monthly rent divided by four, a bill every seven days, and recording several weeks at once.
Bahasa IndonesiaKos caretakers: duties, pay and access
A duty list, pay and a work agreement, rules for cash, and how a caretaker records payments without seeing your books.
Ready-to-use templates
The four documents kos owners look for most. Each one can be copied straight from the page or downloaded as a free file, with no sign-up.
Room rental agreement template
A complete rental agreement with every clause explained in plain language, plus the Rp10,000 stamp duty rules people most often get wrong.
Free templateBahasa IndonesiaRent receipt template
What a valid rent receipt must carry — number, amount in words, rental period, signature — and how to issue one automatically each month.
Free templateBahasa IndonesiaKos bookkeeping in Excel
Cash book column structure, a full month of traceable example figures, a monthly recap, and how to read your margin straight off it.
Free templateBahasa IndonesiaHouse rules for a kos
Twenty house rules ready to print and post, variants for women-only, men-only and mixed kos, and how to escalate warnings calmly.
Advanced guides
Three topics that need real numbers and a longer think: splitting the electricity bill, tax obligations, and choosing management software.
Working out electricity per room
Three ways to split an electricity bill, current PLN tariffs, worked prepaid-token and meter examples, and a per-room simulation table.
Bahasa IndonesiaKos rental tax in 2026
The 0.5% final income tax, the Rp500 million turnover threshold, regional PBJT, worked examples, and the steps for filing a return.
Bahasa Indonesia10 best kos management apps in 2026
Ten apps compared on platform, pricing, strengths and limits — including an honest account of what our own product cannot do.
No guide matches that word. Try something broader, such as “rent”, “template”, or “report”.
All seventeen guides start from the same problem
Kos records scattered across a notebook, a chat thread, and your memory. Kos Manager gathers rooms, tenants, invoices, payment reminders, and monthly reports into one app, so the advice on this page does not stay theoretical.