DEALPULSE RESEARCH ZIP 30040 MARKET REPORT
ZIP CODE 30040 // ATLANTA-SANDY SPRINGS-ALPHARETTA, GA // DATA AS OF 2026-09-30

Cumming, GA (30040) Rental Property Cap Rate & Cash Flow Report

Located in Forsyth County (Cumming, GA), Zip Code 30040 ranks #312 of 500 nationally (38th percentile) with a Zillow ZHVI typical acquisition price of $581,701 (-2.0% YoY) and a ZORI observed market rent of $2,299/mo (-0.3% YoY). Requires at least 63.1% down payment at 6.5% interest to reach $0/mo break-even cash flow.

Net Monthly Cash Flow -$1,586/mo Annual: -$19,037/yr
Net Cap Rate 2.80% NOI: $16,260/yr
Cash-on-Cash Return -14.23% Cash Needed: $133,791
1% Rule Ratio 0.40% Gross Yield: 4.74%
Break-Even Rent $4,122/mo State Tax: 0.83%/yr
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INTERACTIVE PRO-FORMA STATEMENT (ZIP 30040 BENCHMARK) Edit any value
Purchase Price (ZHVI Median)
Monthly Gross Rent (ZORI Median)
Down Payment (%)
Interest Rate (30Y Fixed %)
Annual Property Tax (GA Avg 0.83%)
Annual Home Insurance ($)
Monthly HOA Fee ($)
Monthly Debt Service (P&I) -$2,941/mo
Monthly Operating Expenses (Tax + Ins + 13% Reserves) -$944/mo
HISTORICAL ZHVI PRICE VS. ZORI RENT TRAJECTORY (30040)
Year Median Price Median Rent Gross Yield
2021 $449,861 $1,929/mo 5.15%
2022 $557,900 $2,212/mo 4.76%
2023 $576,116 $2,266/mo 4.72%
2024 $608,748 $2,259/mo 4.45%
2025 $593,819 $2,306/mo 4.66%
2026 $581,701 $2,299/mo 4.74%
COMPARABLE U.S. RENTAL MARKETS
Zip / City Price Rent Cap Rate Cash Flow
30114 Canton, GA $467,647 $1,841/mo 2.78% -$1,281/mo
30096 Duluth, GA $403,704 $1,616/mo 2.85% -$1,083/mo
30066 Marietta, GA $441,506 $1,865/mo 3.08% -$1,099/mo
30041 Cumming, GA $620,123 $2,149/mo 2.29% -$1,953/mo
30062 Marietta, GA $553,056 $1,875/mo 2.21% -$1,778/mo
30024 Suwanee, GA $597,485 $1,975/mo 2.12% -$1,966/mo