120,106 building permits in Boston are still open.

Only 29.8% of eligible building permits have been closed.

The median applicant closes 29.9% of their building permits.

Tracking 170,980 building permits across 28,999 applicants. Data updated daily from Analyze Boston.

Lowest Building Permit Closure Rates

Applicants with 20+ rated permits, active in the last 3 years. Methodology

#	Applicant	Total Permits	Rated Eligible	Closed	Still Open	Closure Rate
1	Giovanni Grimaldi	69	64	0	64	0.0%
2	PEDRO PIREZ	58	58	0	58	0.0%
3	Pasquarello Joseph	48	44	0	44	0.0%
4	John Ferguson	30	30	0	30	0.0%
5	Robert Mahar	26	22	0	22	0.0%
6	Joe Crowley	24	24	0	24	0.0%
7	Richard Bertolami	24	20	0	20	0.0%
8	George Laws	23	20	0	20	0.0%
9	Gerald R Patriquin Jr	22	22	0	22	0.0%
10	Brian Chipman	21	20	0	20	0.0%
11	William Aufiero	132	129	3	126	2.3%
12	Kyle Greene	954	893	23	870	2.6%
13	Roger Rice	103	103	3	100	2.9%
14	Ronald Santosuosso	68	65	2	63	3.1%
15	Domingo De la Paz	64	64	2	62	3.1%
16	Paul Downing	76	61	2	59	3.3%
17	Frank Kent	31	29	1	28	3.4%
18	Liam O'Neill	29	26	1	25	3.8%
19	Katherine Dailey	180	176	7	169	4.0%
20	Paul Bruno	30	25	1	24	4.0%
21	Tina Bosen	28	25	1	24	4.0%
22	Arnold Johnson	106	98	4	94	4.1%
23	Sheldon Keck	69	69	3	66	4.3%
24	George Piperidis	24	23	1	22	4.3%
25	Ted Dow	137	114	5	109	4.4%
26	Johana Lopez	44	44	2	42	4.5%
27	Ernani Guimaraes	43	43	2	41	4.7%
28	THOMAS NORTON	43	42	2	40	4.8%
29	Ariel Jablonki	106	101	5	96	5.0%
30	Ivonne Zapata	21	20	1	19	5.0%
31	James Lambrianidis	21	20	1	19	5.0%
32	Christopher W Rapczynski	20	20	1	19	5.0%
33	John Hagan	20	20	1	19	5.0%
34	Richard L Bertolami	108	74	4	70	5.4%
35	David Sergi	38	37	2	35	5.4%
36	Lubos Svec	159	158	9	149	5.7%
37	Bruce Junior	321	279	17	262	6.1%
38	Patrick Harrington	162	147	9	138	6.1%
39	Carlos Castillo	51	49	3	46	6.1%
40	Larry Garland	50	48	3	45	6.3%
41	Patrick Moriarty	49	48	3	45	6.3%
42	Scott McWilliams	32	32	2	30	6.3%
43	Jeffrey Marinello	82	63	4	59	6.3%
44	Chris Kelley	150	141	9	132	6.4%
45	Mark Mordini	217	214	14	200	6.5%
46	William Maney	32	30	2	28	6.7%
47	Robert Cafazzo	31	30	2	28	6.7%
48	Joshua Knapper	30	30	2	28	6.7%
49	Wissem Taboubi	58	44	3	41	6.8%
50	Lou Yarid	44	44	3	41	6.8%