Land records · Parcel maps · October 6, 2026
What Is a Cluster Subdivision? Open Space Design
What is a cluster subdivision? A layout grouping homes on smaller lots to preserve shared open space at the same overall density. Rules and ownership.
What is a cluster subdivision? A cluster subdivision, also called an open space or conservation subdivision, groups homes together on smaller lots than the zoning district normally requires so that a large share of the land can be preserved as open space. The total number of homes is usually about the same as a conventional layout would allow, but instead of spreading lots evenly across the tract, the design concentrates them and protects farmland, woods, wetlands, or views. The open space is typically owned by a homeowners association or land trust and protected by restrictions on the plat or an easement. This page is general land-records background, not legal advice.
Conventional vs cluster layout
| Feature | Conventional | Cluster |
|---|---|---|
| Lot size | Meets full district minimum | Smaller than minimum |
| Number of homes | Based on density | Similar density |
| Open space | Little or none | Often 40 to 60 percent or more |
| Roads and utilities | Longer | Shorter, often cheaper |
| Ownership of open space | N/A | HOA, land trust, or municipality |
How codes allow it
Zoning codes may permit cluster subdivisions by right in certain districts, require them in rural or environmentally sensitive areas, or allow them with a special approval. Codes set minimum open space percentages, allowable lot reductions, and buffer requirements. Some treat clusters as a type of planned unit development. See what is a PUD.
On the plat
The recorded plat shows the clustered lots and labels open space tracts, often with notes restricting their use. Look for tract labels, conservation easement areas, and HOA ownership notes. See what is a subdivision plat and HOA tracts on a subdivision plat.
Protecting the open space
Open space may be protected by plat restrictions, deed restrictions, or a recorded conservation easement held by a land trust or government. A conservation easement is generally the strongest, permanent protection. See what is a conservation easement on a map.
Benefits
- Preserves natural and agricultural land.
- Reduces road and utility costs.
- Provides trails, views, and recreation.
- Can protect streams and wetlands.
Considerations for buyers
Lots are smaller and neighbors may be closer. HOA dues may cover open space maintenance. Check what activities are allowed in the open space and who maintains it. Septic systems may be located in shared areas in rural clusters.
Rural clusters and septic
In rural clusters without sewer, codes may allow septic fields in open space with easements. Review recorded easements and maintenance agreements.
Finding the open space rules
Read the plat notes, the declaration of covenants, and any recorded easement for the open space tracts.
Bottom line
A cluster subdivision groups homes on smaller lots to preserve shared open space while keeping overall density similar to a conventional layout. Open space is protected by plat notes, restrictions, or conservation easements and owned by an HOA or land trust. Check the plat and HOA documents. Find county plats via the Platbookmapper map.
What is a cluster subdivision FAQ
What is the purpose of a cluster subdivision?
To preserve open space by grouping homes on smaller lots.
Who owns the open space in a cluster subdivision?
Usually an HOA, land trust, or the municipality.
Are cluster subdivisions the same as PUDs?
They are related; some codes treat clusters as a type of PUD.
Can open space in a cluster subdivision be developed later?
Usually not if protected by plat restrictions or a conservation easement.
Do cluster subdivisions allow more homes?
Typically about the same density, sometimes with a small bonus.