47,521 mechanical permits in Columbus are still open.

71.6% of eligible mechanical permits have been closed.

The median applicant closes 83.5% of their mechanical permits.

Tracking 167,424 mechanical permits across 10,092 applicants since . Data updated daily from City of Columbus Open Data.

Lowest Mechanical Permit Closure Rates

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

Lowest Highest

All Types Electrical Mechanical Plumbing Fire Protection Structural

#	Applicant	Total Permits	Rated Eligible	Closed	Still Open	Closure Rate
101	APEX SYSTEMS INC	261	245	176	69	71.8%
102	Dor-Mar Heating & Air	88	86	62	24	72.1%
103	DeBra-Kuempel, Inc.	40	40	29	11	72.5%
104	ENVIRONMENTAL AIR INC	174	161	117	44	72.7%
105	HAIRSTONS SERVICES LLC	124	111	81	30	73.0%
106	Capital City Mechanical	52	49	36	13	73.5%
107	DOC THOMPSON PLUMBING LLC	399	399	294	105	73.7%
108	A TEAM HEATING AND COOLING	57	57	42	15	73.7%
109	KIRK WILLIAMS CO INC	38	38	28	10	73.7%
110	ACORN PLUMBING & HEATING LLC	51	50	37	13	74.0%
111	KLS BARTHOLOMEW LLC	127	127	94	33	74.0%
112	CUSTOM AIR CONDITIONING & HEATING CO	4,929	4,737	3,512	1,225	74.1%
113	ALL HOURS MECHANICAL LLC	32	31	23	8	74.2%
114	R&R MECHANICAL SERVICES LLC	32	31	23	8	74.2%
115	MYERS PLUMBING REPAIR	40	40	30	10	75.0%
116	Royal Air Technologies	67	61	46	15	75.4%
117	CAPITAL CITY MECHANICAL INC	31	29	22	7	75.9%
118	ROBERT K MORTON PLUMBING	55	46	35	11	76.1%
119	GAHANNA HEATING & COOLING INC	112	109	83	26	76.1%
120	COLUMBUS GAS PRO LLC	31	21	16	5	76.2%
121	SELECT RESTAURANT SERVICES INC	26	21	16	5	76.2%
122	KOHR ROYER GRIFFITH INC	100	98	75	23	76.5%
123	WOLFE & SONS HEATING & COOLING INC	594	594	455	139	76.6%
124	ANDERSON HVAC SERVICES LLC	62	60	46	14	76.7%
125	ADVANCED AIRE HEATING AND AIR CONDITIONING	99	91	70	21	76.9%
126	Mechanical Optimizers of Columbus	29	26	20	6	76.9%
127	AIRWAYS HEATING & COOLING LLC	715	680	524	156	77.1%
128	CARRION AIR LLC	32	22	17	5	77.3%
129	West Jefferson Plumbing and Heating	330	195	151	44	77.4%
130	MAX MECHANICAL SERVICES LLC	98	89	69	20	77.5%
131	LEES HVAC	126	126	98	28	77.8%
132	RALPH'S PLUMBING LLC	36	36	28	8	77.8%
133	CLASSIC AIR INC	1,216	1,215	946	269	77.9%
134	TRINITY HEATING AND COOLING	46	32	25	7	78.1%
135	Freeland Contracting	101	37	29	8	78.4%
136	BEST PLUMBING LTD	33	33	26	7	78.8%
137	Sauer Group Inc.	112	111	88	23	79.3%
138	CARDINAL HEATING & COOLING LLC	59	59	47	12	79.7%
139	MASTER AIR LLC	111	110	88	22	80.0%
140	ALL ABOUT HEATING AND COOLING LLC	60	40	32	8	80.0%
141	KAS REFRIGERATION	43	35	28	7	80.0%
142	AIRCLAWS INC	21	20	16	4	80.0%
143	SWARTZ AIR	115	101	81	20	80.2%
144	AMERICAN MECHANICAL GROUP INC	308	299	240	59	80.3%
145	FRANKLIN HEATING COOLING	56	56	45	11	80.4%
146	WATERWORKS	51	51	41	10	80.4%
147	DEEM LLC	167	164	132	32	80.5%
148	CHC Service Co Inc	108	72	58	14	80.6%
149	NORTHLAND REFRIGERATION SALES & SERVICE INC	31	31	25	6	80.6%
150	C & C HOODS INC	53	52	42	10	80.8%