Gwinnett County, GA Metro · Georgia County Underwriting Brief

Gwinnett County, GA DSCR Property Tax, Windstorm & Transfer Tax Guide

In Gwinnett County, Georgia (Gwinnett County, GA metro), 1–4 unit investment properties carry an average effective property tax rate of 1.08% and landlord hazard insurance averaging $610 per $100K of coverage. At a median 1–4 unit acquisition price of $410,000 and Form 1007 market rent of $2,950/mo, a 75% LTV DSCR loan models at 1.15x DSCR ($2,571/mo total PITIA).

Effective Property Tax
1.08%
Est. $369/mo at median
Landlord Ins / $100K
$610/yr
Est. $208/mo DP-3
Median 1–4 Unit Price
$410,000
75% LTV: $307,500
Modeled 75% LTV DSCR
1.15x
$2,950 rent / $2,571 PITIA

Gwinnett County Escrow & Closing-Cost Underwriting Rules

1. Post-Acquisition Tax Reassessment

Statutory county assessor periodic revaluation; underwriters use post-acquisition projected tax bill (typically 85%–100% of purchase price × county millage rate).

2. Windstorm, Flood & Hazard Tier

NE Atlanta Metro Standard Hazard

3. Transfer & Mortgage Recording Taxes

Standard county deed recording & nominal transfer fee ($50–$350 flat or ≤0.20% of consideration).

4. CEMA / Doc-Stamp Optimization Strategy

Underwrite post-acquisition tax bill using county millage calculator to prevent Year-2 escrow shortage.

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Gwinnett County, GA DSCR Underwriting, Property Tax & Insurance Guide (2026) | Stephen R. Mannenbach | Stephen Mannenbach