Skip to main content
CityRuleLookup
🌳 Tree Protection/Tree Replacement Requirements

Tree Replacement Requirements: Oxnard vs Simi Valley

How do tree replacement requirements rules compare between Oxnard, CA and Simi Valley, CA?

Oxnard has fewer restrictions than Simi Valley.

Oxnard, CA

Ventura County

Some Restrictions

Oxnard requires replacement planting when permitted tree removal occurs. Replacement trees must be appropriate species for the local climate and planted within a specified timeframe. The city encourages drought-tolerant and native species.

View full Oxnard rules β†’

Simi Valley, CA

Ventura County

Heavy Restrictions

Ventura County requires replacement plantings when protected oak trees are removed in unincorporated areas. Replacement ratios range from 3:1 to 10:1 depending on tree size and significance, with monitoring requirements of 5-7 years.

View full Simi Valley rules β†’

Key Facts Comparison

FactOxnardSimi Valley
Ratio1:1 common, up to 3:1 heritage-
Minimum Size15-gallon container-
TimeframeWithin 6 months of removal-
Maintenance3-year care period required-
Standard Ratio-3:1 replacement
Large Tree Ratio-Up to 10:1
Monitoring Period-5-7 years
Replacement Species-Native oak from local genetic stock
Alternative-In-lieu fee to mitigation fund

Highlighted rows indicate differences between cities.

Oxnard FAQ

How many replacement trees are required in Oxnard?

Replacement ratios vary from 1:1 for common species to 3:1 for heritage trees. The exact requirement is specified in the tree removal permit conditions.

What species can I plant as replacement in Oxnard?

The city encourages drought-tolerant and native species suited to the coastal climate. Contact Community Development for the approved replacement species list.

What if I cannot plant replacement trees on my property?

When on-site planting is not feasible, the city may accept an in-lieu fee to its tree planting fund. The fee covers the cost of planting and maintaining trees at another city location.

Simi Valley FAQ

How many replacement trees are required when removing an oak in Ventura County?

The standard ratio is 3:1 (three replacement trees for each removed). Larger or more significant trees may require up to 10:1 replacement. Replacement trees must be native oaks from local genetic stock.

How long must replacement trees be monitored?

Property owners must maintain and monitor replacement trees for 5-7 years with annual survival reports. Dead replacement trees must be replanted within one planting season.

Can I pay a fee instead of planting replacement trees?

When on-site replacement is not feasible, the county may allow payment into a tree mitigation fund. The fund supports oak woodland restoration projects. Contact the Resource Management Agency at (805) 654-2466 for current in-lieu fee amounts.

Compare other topics

See how Oxnard and Simi Valley 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