Since 2019-20, the Oklahoma City Thunder have the highest winning percentage by a team in the playoffs at home, winning 100.0 percent of the time.

highest win% by a team at home in the playoffs the last 5 seasons list wins, losses

TEAM	W%	W	L	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Oklahoma City Thunder	1.000	5	0	5	245.0	111.6	46.4	19.8	6.8	3.6	13.8	40.8	86.0	47.4	12.2	34.0	35.9	17.8	22.6	78.8	1,225	558	232	99	34	18	69	85
Golden State Warriors	.833	15	3	18	240.0	115.6	46.5	28.6	7.7	5.2	12.6	42.6	89.4	47.6	14.9	38.3	38.9	15.4	19.7	78.5	4,320	2,080	837	515	138	93	226	375
Cleveland Cavaliers	.714	5	2	7	240.0	100.3	42.9	21.6	8.7	4.6	14.3	35.9	80.4	44.6	11.1	32.4	34.4	17.4	22.7	76.7	1,680	702	300	151	61	32	100	154
Los Angeles Lakers	.680	17	8	25	241.0	112.6	45.0	24.2	7.6	5.6	12.9	41.0	86.0	47.7	11.2	32.6	34.4	19.4	24.5	79.4	6,025	2,814	1,125	606	189	139	323	510
New York Knicks	.667	8	4	12	242.1	105.2	47.4	20.3	6.4	4.8	12.3	38.0	85.5	44.4	11.3	32.5	34.9	17.8	24.4	73.0	2,905	1,262	569	243	77	57	148	223
Houston Rockets	.667	4	2	6	240.0	109.0	38.7	23.2	8.8	3.5	10.3	37.5	85.7	43.8	16.8	44.7	37.7	17.2	20.5	83.7	1,440	654	232	139	53	21	62	131
Denver Nuggets	.656	21	11	32	242.3	110.5	43.4	24.6	6.8	3.7	11.8	40.7	85.5	47.6	12.4	32.3	38.4	16.7	21.0	79.3	7,755	3,536	1,389	788	218	118	377	648
Phoenix Suns	.654	17	9	26	240.0	114.3	39.8	25.5	6.6	4.3	10.4	42.7	84.8	50.4	11.5	29.3	39.1	17.4	20.6	84.3	6,240	2,972	1,035	663	171	112	270	555
Milwaukee Bucks	.621	18	11	29	241.7	111.1	48.9	23.2	7.2	4.2	12.7	40.8	89.7	45.5	11.8	35.8	33.0	17.7	23.7	74.8	7,010	3,222	1,419	673	209	121	369	559
Orlando Magic	.600	3	2	5	240.0	109.8	44.0	23.4	7.2	4.0	14.4	39.8	85.8	46.4	14.6	36.6	39.9	15.6	19.0	82.1	1,200	549	220	117	36	20	72	93
Indiana Pacers	.600	3	2	5	245.0	113.6	41.4	29.0	7.2	4.8	10.8	41.8	87.2	47.9	14.0	38.0	36.8	16.0	20.2	79.2	1,225	568	207	145	36	24	54	110
Utah Jazz	.583	7	5	12	240.0	115.8	42.0	20.1	5.1	3.8	11.4	39.4	81.4	48.4	15.3	39.4	38.7	21.8	28.1	77.4	2,880	1,390	504	241	61	46	137	253
Minnesota Timberwolves	.571	4	3	7	243.6	110.0	40.9	23.1	9.0	5.3	13.3	37.6	83.0	45.3	12.3	32.4	37.9	22.6	28.3	79.8	1,705	770	286	162	63	37	93	157
Miami Heat	.559	19	15	34	240.7	105.8	42.2	22.5	6.8	3.7	12.0	37.6	84.1	44.7	11.4	33.7	33.7	19.2	23.6	81.5	8,185	3,596	1,434	765	232	126	408	673
Memphis Grizzlies	.545	6	5	11	240.0	114.8	46.6	25.4	8.5	4.3	11.4	41.5	93.3	44.4	12.2	36.6	33.3	19.7	25.2	78.3	2,640	1,263	513	279	93	47	125	225
Dallas Mavericks	.529	9	8	17	241.5	106.9	40.1	21.1	6.8	3.2	8.9	38.1	85.2	44.8	13.8	38.5	35.7	16.9	22.8	74.0	4,105	1,817	681	359	116	55	152	341
Philadelphia 76ers	.522	12	11	23	241.1	109.0	41.7	22.7	8.0	5.8	11.9	37.6	82.0	45.8	12.3	32.8	37.6	21.4	26.7	80.2	5,545	2,507	960	523	185	134	274	473
Sacramento Kings	.500	2	2	4	240.0	114.0	46.0	20.8	8.3	4.0	13.5	41.0	94.0	43.6	10.8	37.8	28.5	21.3	28.5	74.6	960	456	184	83	33	16	54	89
Washington Wizards	.500	1	1	2	240.0	112.5	49.0	21.0	6.5	7.5	10.5	39.0	92.0	42.4	8.5	29.5	28.8	26.0	33.5	77.6	480	225	98	42	13	15	21	45
Boston Celtics	.472	17	19	36	242.1	109.5	43.1	23.8	6.6	5.7	12.9	38.9	83.2	46.7	13.5	37.0	36.5	18.3	22.6	80.6	8,715	3,943	1,553	856	238	205	463	678
Atlanta Hawks	.462	6	7	13	240.0	109.1	42.7	22.8	6.0	3.9	11.8	40.1	87.5	45.8	13.1	34.4	38.0	15.8	20.6	76.9	3,120	1,418	555	296	78	51	153	268
Brooklyn Nets	.462	6	7	13	241.9	110.5	41.2	24.4	5.8	5.2	11.1	39.4	85.7	46.0	14.1	38.4	36.7	17.6	21.8	80.9	3,145	1,436	535	317	76	68	144	246
L.A. Clippers	.409	9	13	22	240.0	110.9	42.6	21.3	7.2	4.1	11.2	39.4	85.2	46.3	13.3	35.6	37.3	18.8	23.6	79.8	5,280	2,440	938	468	159	90	247	462
Toronto Raptors	.333	3	6	9	242.8	101.7	40.8	20.9	7.1	4.8	11.8	35.4	85.4	41.5	11.1	36.8	30.2	19.7	24.3	80.8	2,185	915	367	188	64	43	106	196
New Orleans Pelicans	.200	1	4	5	240.0	102.4	44.8	20.4	9.0	3.6	15.2	36.8	83.2	44.2	8.4	29.2	28.8	20.4	25.2	81.0	1,200	512	224	102	45	18	76	109