Property taxes reduce rental cash flow by adding 0.5-0.7% of assessed value annually to expenses—on a $600K Denver rental, that’s $3,000-$4,200 yearly or $250-$350 monthly, factored into the 50% operating rule alongside maintenance and vacancies, directly impacting net yields for investors.
Tax Impact on Cash Flow Calculations
After 15+ years in Denver real estate and thousands of transactions, I subtract taxes from gross rents in pro formas—$2,400/month rent minus $1,200 (50% ops incl. taxes/insurance/management) and PITI leaves tighter margins. Assessed values (7.15% of market) reassess every two years, spiking 8-12% post-appreciation; appeals cut 5-10% with comps. Rentals pay full residential rates sans primary exemptions; HOAs stack on. Positive flow targets $300+/door after all—taxes eat 10-15% of NOI.
Escrow stabilizes budgeting.
Denver-Specific Tax Burdens
Highlands Ranch real estate hits $4,000-$5,000/year on $750K homes (Douglas County 0.57% effective), HOA fees ($150-$400) compounding for village rentals near Mountain Vista schools. Littleton Public zones average $3,200 on $550K bungalows (Jefferson 0.62%), flexing lower sans heavy covenants. Core Denver condos blend city/county at 0.65% plus reserves. Market cycles reassess booms higher; balanced winters defer hikes. Compared to Littleton flexibility, Highlands Ranch funds top schools but trims investor nets slightly.
Appeals succeed with recent sales data.
Practical Advice for Buyers and Sellers
| Area | Annual Tax ($600K) | Monthly Hit |
|---|---|---|
| Highlands Ranch | ~$3,500 | $290 |
| Littleton | ~$3,000 | $250 |
| Core Denver | ~$3,900 | $325 |
Investors, use PITI calculators—appeal biennially, deduct on Schedule E; target pre-tax 7% caps.
Sellers to rentals, disclose history—offer tax proration credits.
My hands-on, concierge-level service models tax-adjusted flows block-by-block, weighs school/HOA fits through market cycles, builds pricing from local sales, and negotiates relentlessly for resilient portfolios. Clients are long-term relationships and friends, not transactions—integrity, honesty, transparency, and relentless work ethic optimize after-tax returns.
If property taxes squeeze your Denver real estate rentals—Littleton, Highlands Ranch breakdowns—reach out anytime. I’m here for a no-pressure conversation and honest guidance tailored to the Colorado housing market.

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