Legal parcels of land in California are those that were lawfully created under the subdivision laws of the county in which they are located, known as the parcel’s situs. Many property owners assume that fences, walls, or nearby streets define their boundaries, but these physical features do not establish the true legal limits of a parcel. Easements, encroachments, and recorded or unrecorded encumbrances can significantly alter the actual boundaries.
To determine a property’s boundaries with certainty, one must understand how the parcel was legally created, how it is described, and what documents govern its existence. This article focuses on the creation and verification of legal parcels of land—not ownership disputes or land‑use rights.
What Is a Legal Parcel?
A legal parcel is a parcel of land that was properly created under the subdivision laws of the county in which it is located. However, even if a parcel is legally created, it may still be unbuildable due to zoning, access, environmental, or infrastructure constraints.
An Assessor’s Parcel Number (APN) does not establish a legal parcel. APNs exist solely for tax assessment and billing purposes. The presence of an APN does not confirm that a parcel complies with the California Subdivision Map Act or local subdivision ordinances.
How Legal Parcels of Land Are Created
1. Creation by Deed (Metes and Bounds)
One of the most common ways legal parcels of land are created is through a deed containing a precise legal description. Deeds often use a metes and bounds description:
- Metes describe measured distances and directions between boundary points.
- Bounds describe the general boundary lines of the property.
Example:
COMMENCING AT AN IRON PIPE IN MOUND OF ROCK… AND THE POINT OF BEGINNING.
This type of description establishes the parcel’s physical boundaries on the ground.
2. Creation by Subdivision Map
Legal parcels of land may also be created through subdivision maps, including:
- Tract Maps
- Parcel Maps
- Plat Maps
These maps are formally approved under the California Subdivision Map Act and recorded with the county.
Example:
LOT 1 IN BLOCK 2 OF OWENSMOUTH… AS PER MAP RECORDED IN BOOK 19, PAGES 36 AND 37 OF MAPS…
Record of Survey
A Record of Survey is a detailed map prepared by a licensed land surveyor that documents the physical boundaries of a parcel. It is reviewed and recorded with the county. A Record of Survey does not create legal parcels of land, but it documents the boundaries of parcels that were legally established through prior conveyances or maps.
A Record of Survey is required when a surveyor establishes, reestablishes, or retraces a boundary in a manner that represents the location of that boundary “beyond a reasonable doubt or dispute,” as required by Section 8762 of the California Professional Land Surveyors’ Act.
Tentative and Final Maps
A Tentative Tract Map, followed by a Final Map, is required to subdivide property into:
- Five or more parcels
- Five or more condominiums
- Community apartment projects with five or more units
- Stock cooperatives with five or more dwellings
A Tentative Map shows the proposed design and improvements. A Final Map must meet precise engineering and survey standards and must be recorded before the Tentative Map expires.
Parcel Maps
When a full subdivision map is not required, a Parcel Map may be used to create legal parcels of land. Parcel Maps are generally permitted when:
- Fewer than five parcels are created and the property fronts a public street
- Parcels are 20 acres or more with approved access
- Land is zoned commercial or industrial with adequate access
- Parcels are at least 40 acres
- The division qualifies as an environmental subdivision
Parcel Maps still require county review and recordation.
Certificate of Compliance
A Certificate of Compliance confirms that a parcel was legally created under the Subdivision Map Act and local ordinances. If the parcel was created illegally, the locality will issue a Conditional Certificate of Compliance, imposing conditions that would have applied at the time of the unlawful division.
A Certificate of Compliance is often required to confirm whether older conveyances actually created legal parcels of land.
Conclusion
Determining whether a property consists of legal parcels of land is essential before selling, developing, or adjusting boundaries. Because parcel legality depends on how the parcel was created—not on fences, APNs, or tax maps—property owners should review the underlying legal documents and consult qualified professionals when necessary.
Please see our other related articles
Subdivision Map Act
Lot Line Adjustments
DRE Approval
Disclaimer: Every situation is different and particular facts may vary thereby changing or altering a possible course of action or conclusion. The information contained herein is intended to be general in nature as laws vary between federal, state, counties, and municipalities and therefore may not apply to any given matter. This information is not intended to be legal advice or relied upon as a legal opinion, course of action, accounting, tax, or other professional services. You should consult the proper legal or professional advisor knowledgeable in the area that pertains to your particular situation.
