Sea-Dar Construction

31%

-17.5 vs 49% median

125

Construction Permits

145 total

Currently Open

121

Rate-Eligible

permits > 1yr old

2016–2026

Years Active

Closure rate based on permits older than 1 year. “Issued” and “Stop Work” statuses are excluded.

Performance by Permit Type

Building121 rated

31.4% closed vs 30% median, 1.5 points higher

Median based on all applicants with 20+ rated permits in each category. Only permits older than 1 year are rated.

Year-by-Year Summary

2026(YTD)

—

Open1

Closed0

Too early to rate — permits need 1 year to mature

2025

100.0%

Open2

Closed2

1 closed / 1 rated

2024

60.0%

Open2

Closed3

3 closed / 5 rated

2023

100.0%

Open0

Closed1

1 closed / 1 rated

2022

14.3%

Open6

Closed1

1 closed / 7 rated

2021

53.8%

Open6

Closed7

7 closed / 13 rated

2020

48.5%

Open17

Closed16

16 closed / 33 rated

2019

30.4%

Open16

Closed7

7 closed / 23 rated

2018

0.0%

Open12

Closed0

0 closed / 12 rated

2017

0.0%

Open15

Closed0

0 closed / 15 rated

2016

18.2%

Open9

Closed2

2 closed / 11 rated

All Permits

145 permits

Status	Permit #	Type	Address	Issued▼	Expires	Valuation
Open	ALT1797272	Long Form/Alteration Permit	2-10 Commonwealth AV, Boston	Jan 28, 2026<1yr	Jul 28, 2026	$2,500,000
Open	ALT1776151	Long Form/Alteration Permit	6-7 Arlington ST, Boston	Oct 30, 2025<1yr	Apr 30, 2026	$400,000
Open	A1764354	Amendment to a Long Form	20 Louisburg SQ, Boston	Aug 27, 2025<1yr	Feb 27, 2026	$1
Closed	ALT1722066	Long Form/Alteration Permit	443 Albany ST, Roxbury	Jun 25, 2025<1yr	Dec 25, 2025	$100,000
Closed	A1677964	Amendment to a Long Form	163 Commonwealth AV, Boston	Jan 29, 2025	Jul 29, 2025	$0.01
Closed	SF1659468	Short Form Bldg Permit	130B-130 Newbury ST, Boston	Oct 4, 2024	Apr 4, 2025	$50,000
Closed	SF1652514	Short Form Bldg Permit	146 Commonwealth AV, Boston	Sep 19, 2024	Mar 19, 2025	$15,000
Open	A1649121	Amendment to a Long Form	395 Commonwealth AV, Boston	Sep 4, 2024	Mar 4, 2025	$0
Open	ALT1575450	Long Form/Alteration Permit	395 Commonwealth AV, Boston	Apr 26, 2024	Oct 26, 2024	$100
Closed	SF1581372	Short Form Bldg Permit	163 Commonwealth AV, Boston	Apr 23, 2024	Oct 23, 2024	$350,000
Closed	SF1581369	Short Form Bldg Permit	161 Commonwealth AV, Boston	Apr 23, 2024	Oct 23, 2024	$550,000
Closed	ALT1411706	Long Form/Alteration Permit	12 Union PK, Roxbury	Apr 19, 2023	Oct 19, 2023	$1
Closed	A1391234	Amendment to a Long Form	10 Union PK, Roxbury	Dec 5, 2022	Jun 5, 2023	$0
Open	A1351944	Amendment to a Long Form	7 Louisburg SQ, Boston	Aug 24, 2022	Mar 6, 2025	$0
Open	A1338843	Amendment to a Long Form	77 Chestnut ST, Boston	Jun 22, 2022	Dec 22, 2022	$5,000
Open	SF1338838	Short Form Bldg Permit	7 Louisburg SQ, Boston	May 31, 2022	Nov 30, 2022	$5,000
Open	ALT1290637	Long Form/Alteration Permit	7 Louisburg SQ, Boston	Apr 8, 2022	—	$4,956,647
Closed	SF1270217	Short Form Bldg Permit	10 Union PK, Roxbury	Jan 21, 2022	Jul 21, 2022	$0
Open	ALT1196248	Long Form/Alteration Permit	340 Beacon ST, Boston	Jan 11, 2022	Jul 11, 2022	$1,259,000
Open	A1180140	Amendment to a Long Form	319 Marlborough ST, Boston	Jan 5, 2022	Jul 5, 2022	$0
Open	A1180141	Amendment to a Long Form	321 Marlborough ST, Boston	Jan 5, 2022	Jul 5, 2022	$0
Open	SF1263439	Short Form Bldg Permit	7 Louisburg SQ, Boston	Nov 23, 2021	May 23, 2022	$70,000
Closed	A1221822	Amendment to a Long Form	21 Marlborough ST, Boston	Nov 8, 2021	May 8, 2022	$30,000
Open	SF1250261	Short Form Bldg Permit	7 Pleasant ST, Dorchester	Sep 21, 2021	Mar 21, 2022	$18,000
Open	SF1242634	Short Form Bldg Permit	146 Commonwealth AV, Boston	Sep 17, 2021	Mar 17, 2022	$70,000
Closed	COO1197774	Certificate of Occupancy	180 W Canton ST, Roxbury	Aug 19, 2021	—	$2,255,000
Closed	SF1215757	Short Form Bldg Permit	34 Beacon ST, Boston	Jul 16, 2021	Jan 16, 2022	$250,000
Closed	SF1215752	Short Form Bldg Permit	21 Marlborough ST, Boston	Jul 12, 2021	Jan 12, 2022	$100,000
Open	SF1181975	Short Form Bldg Permit	11 Rutland SQ, Roxbury	Apr 22, 2021	Oct 22, 2021	$40,413.11
Open	SF1181973	Short Form Bldg Permit	4 Union PK, Roxbury	Apr 22, 2021	Oct 22, 2021	$35,000
Closed	SF1172958	Short Form Bldg Permit	21 Marlborough ST, Boston	Mar 16, 2021	Sep 16, 2021	$35,000
Closed	ALT1161074	Long Form/Alteration Permit	319 Marlborough ST, Boston	Mar 9, 2021	Sep 9, 2021	$100
Open	ALT1068664	Long Form/Alteration Permit	323 Marlborough ST, Boston	Mar 9, 2021	Sep 9, 2021	$0
Open	ALT1068663	Long Form/Alteration Permit	321 Marlborough ST, Boston	Mar 9, 2021	Sep 9, 2021	$0
Open	A1161111	Amendment to a Long Form	77 Chestnut ST, Boston	Mar 5, 2021	Sep 5, 2021	$0
Open	SF1164291	Short Form Bldg Permit	340 Beacon ST, Boston	Feb 23, 2021	Aug 23, 2021	$25,000
Closed	SF1163938	Short Form Bldg Permit	7 Pleasant ST, Dorchester	Feb 22, 2021	Aug 22, 2021	$15,000
Closed	SF1161053	Short Form Bldg Permit	34 Beacon ST, Boston	Feb 11, 2021	Aug 11, 2021	$400,000
Open	SF1129058	Short Form Bldg Permit	321 Marlborough ST, Boston	Oct 30, 2020	Apr 30, 2021	$5,000,000
Open	A1120273	Amendment to a Long Form	7 Mount Vernon PL, Boston	Oct 19, 2020	Apr 19, 2021	$0
Open	SF1123399	Short Form Bldg Permit	77 Chestnut ST, Boston	Oct 9, 2020	Apr 9, 2021	$50,000
Open	ALT1041515	Long Form/Alteration Permit	416 Beacon ST, Boston	Sep 9, 2020	Mar 9, 2021	$5,040,900
Open	SF1101382	Short Form Bldg Permit	321 Marlborough ST, Boston	Aug 6, 2020	Feb 6, 2021	$100,000
Open	A1084450	Amendment to a Long Form	7 Mount Vernon PL, Boston	Jul 23, 2020	Jan 23, 2021	$1,800,000
Open	A1094335	Amendment to a Long Form	180 W Canton ST, Roxbury	Jul 21, 2020	Jan 21, 2021	$5,000
Closed	ALT1094341	Long Form/Alteration Permit	182 W Canton ST, Roxbury	Jul 21, 2020	Jan 21, 2021	$0
Open	ALT1094344	Long Form/Alteration Permit	178 W Canton ST, Roxbury	Jul 21, 2020	Jan 21, 2021	$0
Open	SF1080294	Short Form Bldg Permit	1-7 Dalton ST, Boston	Jul 1, 2020	Jan 1, 2021	$950,000
Open	SF1080294	Short Form Bldg Permit	1-7 Dalton ST, Boston	Jul 1, 2020	Jan 1, 2021	$950,000
Open	U491041616	Use of Premises	276-278 Newbury ST, Boston	Jun 25, 2020	Dec 25, 2020	$0

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See Other Applicants

Sea Dar Construction Seam Dunn seamus folan SEAMUS FOLAN Seamus Folan Seamus Hill SEAMUS HILL Seamus Interstate roofing and shee Lambe Seamus J Odoherty Seamus Kennedy