Christian OsgoodCEO, Multifamily Strategy · CEO at Multifamily Strategy

Use a $100 per door monthly budget to simplify multifamily underwriting #RealEstate #Investing

19 Sept 2026 · 1 min

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Christian Osgood uses a $100 per door monthly budget as a starting point for estimating maintenance and repair costs on multifamily properties. For a 10-unit building, that's $12,000 a year. He refines the number after a physical inspection based on the building's actual condition.

Maintenance and repair. This is a 10-unit hypothetical building. You have a minimum of $100 per door per month on an average building. Use that number. You will dial it in as you actually do a physical inspection for your initial look. I've managed thousands of rentals. I own about 850 today. I have a lot of data that says in today's market and over the last few years, on average, $100 per door per month is a really good average maintenance cost. That includes some improvements, a little bit of CapEx, and general maintenance.