Seattle.gov - Seattle Right-of-Way Improvement Manual

Chapter 3

Right-of-Way Improvement Requirements

Alleys | Existing Alleys | Required for Access | Improvement Requirements

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Alley improvements for all land use zones are required when the alley is used for access, as listed below:

No Requirements

1-2 dwelling units, if alley is unimproved but in common usage for existing residences

Partial Requirements

1 to 9 new dwelling units or residential lots;
Major, minor vehicle repair uses or multipurpose convenience stores of less than 750 square feet;
Non-residential structures of less than 4,000 square feet;
Mixed use structures with less than 10 units and less than 4,000 square feet of non-residential use;
Interior remodels and interior use changes;
Additions exempt from SEPA review;
Parking lot and open storage area expansion of less than 20% of area or parking spaces; and
Types of small projects with reduced improvement requirements are defined in paragraph 23.53.030 E1a(1) in the Land Use Code.

Full Requirements

Chapter 3

Right-of-Way Improvement Requirements


3.1	Overview of Requirements from the Land Use Code (Ch. 23.53 & 23.22)
	3.1.1 Existing Streets
	3.1.2 New Streets
	3.1.3 Alleys
	3.1.4 Vehicle Access Easements Across Private Property
3.2	Contact Information

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