Sellers across the Hartford County market consistently underestimate total transaction costs when they focus on commission alone. The full cost stack is higher, and agents who walk sellers through it accurately before listing set expectations that hold through closing rather than surprising them at the table. Here is the breakdown.
Commission
Commissions in Connecticut are negotiable. No fixed rate is set by law or association. In Marlborough and the surrounding Hartford County market, most listing agreements in 2026 fall between five and six percent, divided between listing and buyer's brokerage. Following the 2024 NAR settlement, buyer's agent compensation is negotiated more transparently, but in most current Marlborough transactions sellers are still offering it because doing so attracts more buyers and produces stronger offers. The structure is different. The economics for most sellers are largely similar.
Connecticut state conveyance tax
The state conveyance tax is 0.75 percent on the first $800,000 of sale price, 1.25 percent on the portion above $800,000, and 2.25 percent on any amount above $2.5 million. Paid by the seller at closing. On a $365,000 sale: $2,737.50. On a $700,000 sale: $5,250. On a $1,000,000 sale: $8,500. This is a material cost that belongs on every net sheet from the first seller conversation.
Marlborough municipal conveyance tax
Marlborough adds a municipal conveyance tax of 0.25 percent of sale price. Combined with the state tax, the total conveyance tax burden in Marlborough runs 1.0 percent of sale price below $800,000 and 1.5 percent above. On a $500,000 sale that is $5,000 in combined conveyance taxes. On a $750,000 sale it is $7,500. Consistently one of the line items sellers do not see coming when they have only thought about commission.
Attorney fees
Connecticut is an attorney closing state. Seller's attorney fees for a typical Marlborough transaction run $700 to $1,200 depending on complexity and fee structure. This is not a cost to minimize aggressively. A thorough attorney earns the fee in a routine transaction and earns considerably more in a complicated one.
Title costs and mortgage payoff
Sellers deliver clean title at closing. Old liens, unreleased judgments, or title defects that need clearing fall to the seller. Most sales involve minor cleanup. Some involve more. Mortgage payoff comes from sale proceeds and includes interest through the closing date. If there is an escrow account, the unused balance comes back to the seller typically thirty to sixty days after closing. Property tax proration depends on the closing date and Marlborough's July through June fiscal year.
What the total looks like on a $500,000 sale
Commission at 5.5 percent: $27,500. State conveyance tax: $3,750. Municipal conveyance tax: $1,250. Attorney fees: approximately $900. Title cleanup: approximately $200. Total: approximately $33,600, or 6.7 percent of sale price. At 6 percent commission the total moves to $35,750. Most Connecticut sellers land between 7 and 9 percent of sale price in total transaction costs before inspection concessions.
Inspection concessions as a variable cost
Most Marlborough sales involve a negotiated seller credit after inspection. The standard dynamic is for buyer's agents to open higher than they expect to receive. The seller's net depends significantly on how that negotiation is handled. This is one of the places where representation has the most direct financial impact on the seller's outcome.
The practical application
Running an accurate net sheet for every seller before the listing conversation concludes is the most useful thing an agent can do to set realistic expectations. The gross sale price is not the number a seller should be planning their next move around. The net proceeds after every line item are.
If you are working with sellers in Marlborough or the Hartford County area and want to compare notes on current transaction cost patterns, I am glad to have that conversation.
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