Lot Coverage Limits: Folsom vs Sacramento
How do lot coverage limits rules compare between Folsom, CA and Sacramento, CA?
Folsom and Sacramento have similar restriction levels.
Folsom, CA
Sacramento County
Folsom typically limits lot coverage by structures to 40-50% in R-1 residential zones under FMC Title 17. ADUs up to 800 sq ft cannot be blocked by lot coverage limits per Gov Code §65852.2.
View full Folsom rules →Sacramento, CA
Sacramento County
Sacramento's zoning code (Title 17) limits the percentage of a lot that can be covered by structures (lot coverage) to maintain open space and manage stormwater. In standard single-family residential (R-1) zones, maximum lot coverage is typically 50% of the lot area. Multi-family and commercial zones allow higher coverage ratios. Lot coverage includes the footprint of all buildings, structures, and covered areas.
View full Sacramento rules →Key Facts Comparison
| Fact | Folsom | Sacramento |
|---|---|---|
| R-1 coverage | 40-50% typical | - |
| Counts | Main + garage + accessory | - |
| Excludes | Low decks, pools | Uncovered decks, driveways, pools |
| ADU override | 800 sq ft guaranteed | - |
| Stormwater | Separate impervious limits | - |
| Code Section | - | Sacramento City Code Title 17 |
| R-1 Maximum | - | 50% lot coverage |
| Includes | - | All roofed structures, covered patios, garages |
| ADU Exception | - | 800 sq ft ADU allowed regardless of coverage limit |
Highlighted rows indicate differences between cities.
Folsom FAQ
Does my ADU count toward lot coverage in Folsom?
Yes generally, but state law (Gov. Code §65852.2) requires Folsom to allow at least one 800 sq ft ADU even if it exceeds local lot coverage limits. Larger ADUs must meet the coverage cap.
Who enforces this in Folsom?
Folsom code enforcement at (916) 355-7285 handles most complaints.
Sacramento FAQ
How much of my Sacramento lot can I build on?
In R-1 residential zones, structures can cover up to 50% of your lot. This includes the house, garage, ADU, and any covered structures. State law allows an ADU of at least 800 sq ft even if it exceeds this limit.
Does my driveway count toward lot coverage?
No. Uncovered driveways, patios, and hardscape do not count toward lot coverage. Only roofed or covered structures are included in the calculation.
Compare other topics
See how Folsom and Sacramento compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool