Gwinnett County, GA Cap Rates by Neighborhood

County-Wide Gross Yield: Why the Headline Number Misleads

At a $411,190 median price and $1,848 monthly rent, Gwinnett County produces a gross yield of 5.39% and a price-to-rent ratio of 18.5x. That aggregate is a composite across sub-markets with different acquisition costs, rent levels, and appreciation trajectories, and using it to underwrite a specific deal will steer you wrong in either direction.

The year-over-year price decline of 2.84% (Zillow) and a steeper 5.1% YoY drop reported by Redfin in November 2025 are the first relevant signals. Rents have not corrected at the same rate. When prices fall faster than rents, gross yields expand, and Gwinnett is in exactly that window right now. Inventory rose 35.6% YoY, the median days on market stretched from 46 to 65, and 34.4% of listings took price reductions. Those conditions let buyers negotiate toward the gross yield ceiling rather than the floor, but only if they identify the right sub-market.

Neighborhood-by-Neighborhood Gross Yield Analysis

The data below uses sub-market median prices from Q1 2026 research and the county-wide ZORI of $1,848 as a proxy rent. Rent ranges will vary by sub-market; treat these as first-pass screens to prioritize diligence, not finalized underwriting.

Suwanee and Buford deliver the tightest gross yields in the county. At 4.57% and 4.93% respectively, they are pricing in continued appreciation rather than current income. An investor buying in Suwanee at $485K with $1,848 rent has virtually no cushion after operating expenses, taxes, and insurance. Appreciation is the entire thesis, and that thesis just got more complicated with prices softening county-wide.

Norcross stands out at the other end. At a $340K median and $192.86 per square foot (the lowest in the county), the gross yield of 6.52% provides real operating margin before expenses. The 74% YoY transaction volume surge signals accelerating demand rather than distress-driven pricing. Hilti's presence and the active downtown revitalization in progress position Norcross as a market where the price-per-foot may re-rate upward without rents compressing to match, which is the yield-compression scenario investors want to ride from the buy side.

Lawrenceville is the second-highest-yield sub-market at 5.91%. The Northside Hospital tower adding 300 beds, a medical staff of 1,400 physicians, and over 5,800 employees generates a durable, institutionally anchored renter pool. The Lawrence hotel and restaurant growth indicate placemaking investment already in motion. Total assessed value in Lawrenceville has risen 70% over five years, which underscores appreciation potential but also warns that assessed values for non-homestead properties can and do move with the market.

Property Tax Drag on Net Cap Rates

Gwinnett County's effective all-in tax rate (county plus school plus municipal) is about 0.93% of market value. On a representative $411,190 purchase, that produces an annual tax bill of about $3,824 or $319 per month.

On gross rent of $1,848 per month, the tax burden alone consumes 17.3% of gross rent before any other operating expense. Working the math on a Norcross buy at $340K:

• Annual gross rent (at $1,848/mo): $22,176
• Annual property tax (0.93%): $3,162
• Tax-adjusted gross revenue: $19,014
• Tax-adjusted yield: 5.60%

From that 5.60%, subtract vacancy, maintenance, insurance, and management, and a realistic net operating yield lands in the 3.5%–4.2% range depending on property condition and management structure. That is thin but workable at Norcross prices. Run the same math on Suwanee at $485K and you net something closer to 2.8%–3.4%, which is a cap rate more consistent with a stabilized multifamily asset in a primary market, not a suburban single-family rental.

One critical tax wrinkle: Georgia's value offset exemption, which holds the assessed value flat for the county tax portion when prices rise, applies only to homestead properties. Non-homestead investment properties receive no such protection. In a market where assessed values in sub-markets like Lawrenceville have risen 70% over five years, that distinction is a real carry cost risk. Underwrite annual assessment increases into your hold-period pro forma.

Cap Rate Decompression in Progress

Gwinnett is in a decompression phase. Prices fell 5.1% YoY per Redfin through November 2025 while rents have not corrected at the same pace. Decompression (yields expanding as prices fall faster than rents) is the favorable entry condition for income-focused buyers. The question is whether this is a short correction or the beginning of a sustained repricing.

Arguments for a short correction: only 51 foreclosure filings across 278,000+ units in February 2025 indicate no distress-driven supply overhang. The workforce grew from 489,000 to 497,000 in 2024. UCB's $2 billion biologics manufacturing facility announced in March 2026 is a multi-decade demand anchor. Socomec's facility opening in May 2026 adds to the pattern. Employers are committing capital, not leaving.

Arguments for sustained pressure: inventory up 35.6%, median list-to-sale ratio at 97.3%, and 65 days on market collectively suggest that sellers are ahead of buyers on price discovery. Until that inventory clears, downward price pressure persists, which is good for buyers locking in now but requires conservative underwriting on exit assumptions.

Flood Risk Adjustment to Net Yield

Gwinnett sits among Georgia's highest-risk counties for inland flooding, with exposure along the Chattahoochee, Yellow, and Apalachee river corridors. The county applies future-conditions floodplain maps for regulatory purposes, making its standard stricter than FEMA's baseline. Only about 500 NFIP policies are active county-wide, which is low for a 24,000-acre floodplain, suggesting many investor-owned parcels near waterways may be underinsured or misclassified.

Properties in a Special Flood Hazard Area will carry mandatory NFIP premiums that can add $1,500–$3,000 annually to operating costs, depending on structure elevation and zone classification. On a $340K Norcross acquisition already operating at a thin net yield, a $2,000 flood insurance line item cuts net NOI by roughly 9%. The county's CRS rating earns a 15% NFIP discount, which helps, but does not offset full SFHA exposure. Run FEMA map checks at the parcel level before closing on anything within a half-mile of the named river corridors.

Cap Rate Outlook

Three catalysts set the direction for Gwinnett yields over the next three to five years.

The $17 billion Transit SPLOST BRT network, if advanced, creates transit-proximity premiums along the 26-mile dedicated-lane corridor. Station-area parcels near Northside Hospital Gwinnett and Gas South District would capture the first wave. The Gwinnett Place Mall 72-acre redevelopment, with its planned transit center along Pleasant Hill Road in the Duluth corridor, is already in RFP phase managed by CBRE with county-assembled land. Adjacent parcels are likely to compress in yield as redevelopment construction advances and new residents follow.

UCB's manufacturing facility is the single largest demand driver on the horizon. A $2 billion facility employs a mix of production workers and highly compensated scientists and engineers, supporting both workforce-housing and professional-rental demand. Lawrenceville and the immediate surrounding area absorb the direct employment impact.

The STR regulatory environment carries a downside risk. The Short-Term Rental Task Force established in November 2023 is still active; a restrictive ordinance could force operators off platforms or require registration. Any Airbnb or VRBO strategy in Gwinnett should be underwritten assuming the regulatory environment tightens, not relaxes.

For long-term holders, the path forward looks like yield compression (the good kind): prices stabilize or recover as major employers absorb labor demand, rents hold or grow as new supply is constrained by the updated UDO and floodplain regulations, and transit investment adds localized value premiums. Norcross and Lawrenceville offer the best current entry points relative to that forward scenario.

Model your specific deal with our investment property calculator to stress-test these assumptions against your target sub-market, financing structure, and hold period.