Garage type is one of those details buyers often don't think about until they're comparing two similar houses — and then it suddenly matters a lot. Here's what the data and real estate experts say about detached versus attached garages.
The Core Difference
An attached garage shares a wall with the main house and typically connects via an interior door. A detached garage is a separate structure, often set back from the home, and functions more like an independent building on the property.
Does Garage Type Affect Home Value?
Both types can add real value — the question is how much and under what conditions.
Attached garages are generally 10–15% less expensive to build since they share walls and utilities with the existing house, and many buyers value the direct, weather-protected access into the home.
Detached garages can add roughly 5–15% of a home's market value, with two-car detached garages adding an estimated 8–12% on average, and larger units adding even more. Appraisers in some markets estimate detached garages add value similar to attached ones — sometimes even more in areas with larger lots.
A well-built detached garage may recoup 50–80% of its construction cost at resale, with functionally adequate garages adding anywhere from $5,000 to $25,000 depending on the market.
Why Buyers Often Prefer Detached Garages
Flexible use of space. A detached garage isn't limited to parking — many owners convert part or all of the space into a workshop, storage area, home gym, or hobby space without disrupting the main house's layout.
Separation from living space. Vehicle exhaust, workshop noise, and project dust stay outside the home entirely, which some buyers see as a meaningful quality-of-life upgrade.
Corner and larger-lot compatibility. Detached garages tend to pair naturally with larger or corner lots, where there's enough room to position a separate structure without crowding the yard.
The Trade-Offs
- Less convenient in bad weather — no direct indoor access means walking outside to reach your car.
- Higher upfront construction cost if building new, due to separate foundation, utilities, and permitting requirements.
- Appraisal treatment varies by market — some appraisers value attached and detached garages nearly the same, while others place a premium on one or the other depending on local buyer preferences.
A Real Example in Murfreesboro
At 1002 W Northfield Blvd in Forest Hills Estates, the detached 24×24 two-car garage offers exactly the kind of flexible, separated space buyers look for — enough room for two vehicles plus extra storage or workshop use, with additional driveway parking beyond the garage itself. Paired with the home's 0.41-acre corner lot, there's ample room for the structure without sacrificing yard space.
Frequently Asked Questions
Is a detached garage worth more than an attached one?
It depends on the market. Some areas value detached garages similarly to attached, and in markets with larger lots, detached garages can be considered more desirable.
How much value does a two-car detached garage add?
Estimates vary, but many range between 8% and 15% of the home's current market value for a functional two-car detached garage.
Are detached garages more expensive to build than attached?
Yes — because they require their own foundation and utility connections, detached garages typically cost more to construct than an equivalent attached garage.
Want to see a detached 24×24 garage in person? Schedule a private showing at 1002 W Northfield Blvd in Murfreesboro, TN.