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Rockville, MD Landscaping Rules: Composting (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Composting allowed
Yard waste, non-animal food scraps
Condition
Pile must be rodent-proofed
Exception
Leaves-and-dirt-only piles exempt
Governing code
IPMC § 308.3.2, locally amended

Summary

Rockville allows residential compost piles for yard waste and non-animal food scraps only if fully rodent-proofed; piles made entirely of leaves and dirt are exempt from that requirement.

308.3.2 Disposal by use of compost piles. The use of compost piles for the disposal of organic materials, such as yard waste or non-animal food scraps, is permitted only when the pile is completely rodent proofed. Exception: Compost piles consisting entirely of leaves and dirt do not require rodent proofing.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 17 Update 1).

Full Breakdown

Under Rockville's Property Maintenance Code amendment to IPMC Section 308.3.2, homeowners may compost yard waste or non-animal food scraps in a pile only if it is completely rodent-proofed -- kept in a state that does not allow rodents to enter, feed, or breed in it. The City carves out one exception: piles made entirely of leaves and dirt do not need rodent-proofing, since they contain nothing that attracts pests. Compost handled this way is exempt from the general requirement that garbage-producing properties store waste in covered, leakproof containers under Section 308.3.1.

Violations & Fines

Failing to rodent-proof a compost pile containing food scraps is a Property Maintenance Code violation and a municipal infraction under Rockville City Code § 5-13.

Frequently Asked Questions

Can I compost food scraps in my Rockville backyard?
Yes, non-animal food scraps are allowed if the pile is completely rodent-proofed under IPMC § 308.3.2.
Do leaf piles need rodent-proofing in Rockville?
No -- piles made entirely of leaves and dirt are exempt from the rodent-proofing requirement.

Sources & Official References

Other rules in Rockville

Water RestrictionsSignificant RestrictionsTree TrimmingSome RestrictionsTree Removal & Heritage TreesSome RestrictionsWeed OrdinancesSome RestrictionsNoise Ordinances: Decibel LimitsSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: EV ChargingSignificant RestrictionsFence Regulations: Retaining WallsFew RestrictionsRental Property Rules: Rent ControlFew RestrictionsPublic Conduct: Loitering RulesSome Restrictions

All Rockville rules

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