Case 21507

Case Overview
Application of:   Sara Petrasso and Jonah Crane
Case Summary:   To construct a two-story rear addition, and a detached, two-story accessory structure, in the rear of a two-story plus cellar, principal dwelling unit in the RF-1 zone.
To construct a two-story rear addition, and a detached, two-story accessory structure, in the rear of a two-story plus cellar, principal dwelling unit in the RF-1 zone.
Address:   643 Constitution Avenue, NE (Square 867, Lot 92)
ANC:   6C03
Relief:  
TypeReliefPursuant To
Special ExceptionThe lot occupancy requirements of Subtitle E § 210.1Subtitle E § 5201.2 and Subtitle X § 901.2
Special ExceptionThe accessory building area requirements of Subtitle E § 5003.1Subtitle E § 5201.2 and Subtitle X § 901.2
Case Type:   Special Exception
Case Status:   Active
Future Hearing Date(s):   10/28/2026
Property Information:  
SquareLot(s)
08670092
Project Image
Map Inset
Exhibits
row_num#Exhibit #Exhibit DescriptionNumber of PagesExhibit DateAction
11Application Form16/17/2026View
22DC Surveyor's Plat16/16/2026View
33Statement of Existing and Intended Use16/16/2026View
44Color Photographs46/16/2026View
55List of Names and Mailing Addresses of Property Owners within 200 Ft.46/16/2026View
66Letter of Authorization26/16/2026View
77Architectural Plans and Elevations196/16/2026View
88Statement of Neighborhood Contact16/16/2026View
99Certificate of Service16/16/2026View
1010Letter in Support from Timothy Rutten26/17/2026View
1111Burden of Proof36/17/2026View
1212Letter in Support from William & Lillian Ayala26/17/2026View
1313Letter in Support from Kate Hallahan26/17/2026View
1414Letter in Support from L. Tate & R. Thoresen26/17/2026View
1515Zoning Self-Certification26/17/2026View
1616Receipt16/24/2026View
1717Letter in Support from 106 7th St NE16/30/2026View
1818Letter in Support from 613 Constitution Ave NE16/30/2026View
1919Letter in Support from 634 A St NE16/30/2026View
2020Letter in Support from 635 Constitution Ave NE16/30/2026View
2121Letter in Support from 636 Constitution Ave NE26/30/2026View
2222Letter in Support from 641 Constitution Ave NE (Adjacent)26/30/2026View
2323Letter in Support from 645 Constitution Ave NE (Adjacent)26/30/2026View
2424Letter in Support from 645 Rear Constitution Ave NE (Adjacent)26/30/2026View
2525Letter in Support from 647 Constitution Ave NE16/30/2026View
2626Letter in Support from 649 Constitution Ave NE16/30/2026View
2727BZA Notice of Virtual Public Hearing407/01/2026View
2828BZA Attestation/PHN List of Referrals107/01/2026View
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DC Office of Zoning
Office of Zoning

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Office of Planning
Office of Planning

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ANC
6C
KAREN J. WIRT
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SMD
6C03
JAY ADELSTEIN
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