PERMIT APPLICATION COMMON
Where on your property are you working?:
Construct new single family AADU and DADU on Lot C of 3947 W Barrett Lane
Is work in the right-of-way (street or alley) required?:
No
Choose the Primary Property Use:
Single Family/Duplex
Project Value:
980000
PERMIT TRACKING COMMON
Review Level:
Full C
Application Completed Date:
02/12/2024
Permit Issued Date:
07/09/2024
Inspections Completed Date:
11/06/2025
Permit Remarks:
Assigned Addresses:
SFR) 3949A AADU) 3949B DADU) 3951 W BARRETT LN
FLOATING RESIDENCE INFO
Is this building a Floating Residence?:
No
CONSTRUCTION VALUATION INFO
Intake Value: New:
852936.29
Intake Value: Alteration:
0
Total Intake Value:
852936.29
Issue Value: New:
853836
Issue Value: Alteration:
0
Total Issued Value:
853836
BUILDING CODE INFO
What building code was used for your design?:
2018 SBC (Struct) and SRC (Arch)
Is this a substantial alteration?:
No
Are you changing the envelope?:
No
Action Type:
New
Number of Existing Building Stories:
0
Number of Existing Below-Grade Building Stories:
0
Number of Proposed Building Stories:
3
Number of Proposed Below-Grade Building Stories:
1
Number of Mezzanines:
0
Is this a high-rise?:
No
Will you change the building use or occupancy?:
No
Main Existing Use of Building:
Residential
Existing Occupancy:
R-3 Single Family Dwelling
Will your application include a new standard plan?:
No
Is a certificate of occupancy required?:
No
GROUND DISTURBANCE
Is your development site in an environmentally critical area (ECA)?:
Yes
New and Replaced Hard Surface > 750 sq ft?:
Yes
Are you doing more than 2,000 square feet of earth disturbance?:
Yes
I, the owner or owner’s authorized representative of the property referenced in this submission, give the City of Seattle Department of Planning and Development permission to conduct a Pre-Application Site Visit. I agree that: 1) electronic filing constitutes an authorizing signature; 2) I will inform all tenants of the site visit prior to the inspection being conducted; and 3) if conditions such as uncontrolled dogs or uncooperative tenants hinder the inspector’s ability to conduct the site visit, the site visit will not occur and the site visit fee may be forfeited.:
Yes
Foundation Type:
Basement
LAND USE STREET ELEMENTS
Number of Curb Cuts for This Permit:
0
PARKING
# of Existing Onsite Parking:
0
# of Existing Offsite Parking:
0
# of Existing Accessible Parking:
0
# of Proposed Onsite Parking:
1
# of Proposed Offsite Parking:
0
Offsite Parking Location:
0
# of Proposed Accessible Parking:
0
# of Existing Bicycle Parking Spots:
0
# of Proposed Bicycle Parking Spots:
0
FIRE PROTECTION SYSTEMS
Sprinklers Meet NFPA 13:
No
Sprinklers Meet NFPA 13R:
No
Partial Fire Protection System:
No
Fire Alarm:
No
Other Fire Protection System:
Yes
Other Type of Sprinkler System:
NFPA 13D in all 3 dwelling units
MECHANICAL CODE
Does your project include an HVAC mechanical system?:
No
ENERGY CODE
Is any portion of the building semi-heated or unheated?:
Yes
Compliance Category:
Residential
Compliance Path:
Prescriptive
Is there a commercial kitchen hood exhaust system?:
No
Is there a fume hood?:
No
Is there a spray paint booth?:
No
ENERGY EQUIPMENT
Heating Fuel Type Proposed: Residential:
Electric Heat Pump
DRAINAGE INFORMATION
Drainage Type of Work:
New
Number of Other New Drainage Connections:
1
Flow Control Type:
Pipe
Flow Control Standard:
Pasture and Peak
Treatment Standard Type:
Basic Plus
Basic Plus Type:
Enhance
Discharge Point:
Storm System
Total Disturbed Area:
6610
New Impervious Surface:
1478
New Plus Replaced Impervious Surface:
5315
Total Volume Managed by On-Site Stormwater Management (gallons):
23319
Total Area Requiring Soil Amendment:
1295
SANITARY INFORMATION
Sanitary Type of Work:
New
Number of New Connections to the Side Sewer:
1
Number of New Dwelling Units:
3
Reuse Existing Side Sewer System:
Yes
SPECIAL PROGRAMS
Is this project receiving Opportunity Zone Funds?:
No
CONTRACTOR DISCLOSURE
Who will be performing all the work?:
Licensed Contractor
Contractor License:
COMMUCL786MQ