what was the longest undefeated home record in a nba season

The San Antonio Spurs and the Boston Celtics are tied for the best record at home in a season, with a record of 40-1.

	TEAM	REC	SEASON	W%	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF
1	Spurs	40-1	2015-16	.976	41	240.6	105.1	45.0	25.6	8.3	6.0	40.6	83.3	48.7	7.3	19.1	38.1	16.6	20.7	80.2	56.9	9.7	35.3	12.1	9,865	4,311	1,845	1,048	342	247	496	716
2	Celtics	40-1	1985-86	.976	41	240.6	118.3	46.4	29.9	8.2	6.9	46.8	90.6	51.6	1.8	4.9	37.5	22.9	28.3	80.9	57.4	13.3	33.1	16.2	9,865	4,851	1,903	1,227	336	283	664	844
3	Royals	33-1	1949-50	.971	34	240.0	87.8					31.2						25.4	33.7	75.3					8,160	2,984
4	Nationals	31-1	1949-50	.969	32	244.7	88.6					30.3						28.0	38.9	71.9					7,830	2,835
5	Lakers	30-1	1949-50	.968	31	240.8	89.9		22.9			34.3	93.4	36.7				21.3	29.5	72.2	42.3				7,465	2,787		709				767
6	Capitols	29-1	1946-47	.967	30	240.8	76.1					30.0						16.2							7,225	2,283
7	Warriors	39-2	2015-16	.951	41	242.4	116.3	47.1	29.7	8.6	6.0	43.1	87.3	49.3	13.0	31.5	41.5	17.1	21.8	78.3	60.0	10.5	36.6	14.7	9,940	4,767	1,930	1,218	351	248	601	844
8	Warriors	39-2	2014-15	.951	41	240.6	113.3	44.2	29.4	9.7	5.9	43.0	86.6	49.6	11.4	27.5	41.5	16.0	20.7	77.2	59.2	10.0	34.2	13.9	9,865	4,646	1,813	1,206	396	242	571	774
9	Cavaliers	39-2	2008-09	.951	41	241.2	102.3	42.8	21.8	7.9	5.7	37.7	78.9	47.8	8.0	20.1	39.7	19.0	24.4	77.9	57.1	10.8	32.0	11.8	9,890	4,196	1,754	895	322	232	482	797
10	Bulls	39-2	1996-97	.951	41	241.2	105.2	47.3	28.9	9.5	4.2	41.0	86.0	47.8	7.0	18.1	38.6	16.1	21.6	74.6	55.1	15.8	31.5	12.9	9,890	4,313	1,940	1,185	390	173	527	782
11	Bulls	39-2	1995-96	.951	41	240.0	107.1	45.5	26.1	9.7	4.5	41.1	84.0	48.9	6.7	16.4	40.7	18.3	24.3	75.1	56.5	15.5	30.0	14.7	9,840	4,391	1,865	1,069	397	183	601	890
12	Magic	39-2	1994-95	.951	41	241.8	113.0	44.6	28.2	8.4	6.3	42.7	84.1	50.8	6.9	17.8	38.7	20.6	30.2	68.1	58.0	14.6	30.0	14.9	9,915	4,631	1,829	1,158	346	259	612	825
13	Celtics	39-2	1986-87	.951	41	241.2	117.0	43.5	30.9	7.7	6.6	45.7	85.6	53.4	2.8	6.9	40.2	22.9	27.9	82.0	59.8	10.9	32.5	15.5	9,890	4,798	1,782	1,266	314	270	635	817
14	Bucks	34-2	1970-71	.944	36	242.1	121.5					49.8						22.0	29.4	75.0					8,715	4,375						813
15	Nationals	32-2	1952-53	.941	34	240.7	88.1					27.8						32.4	43.5	74.6					8,185	2,995						964
16	76ers	28-2	1966-67	.933	30	240.8	127.2	67.7	29.8			49.2	101.1	48.7				28.8	43.1	66.7	53.0				7,225	3,815	2,032	895				733
17	Nuggets	38-3	2012-13	.927	41	241.2	108.4	45.3	25.7	10.0	7.3	41.5	85.3	48.6	6.8	18.7	36.3	18.7	26.6	70.3	55.9	13.1	32.1	14.0	9,890	4,446	1,857	1,052	408	301	573	830
18	Spurs	38-3	2004-05	.927	41	240.0	96.9	42.7	22.4	7.4	7.5	36.1	76.3	47.3	6.6	16.8	39.4	18.2	25.2	72.0	55.4	11.2	31.5	13.9	9,840	3,974	1,752	919	304	308	568	840
19	Jazz	38-3	1996-97	.927	41	241.2	103.7	42.9	27.3	9.4	6.8	38.5	76.5	50.3	4.0	10.6	37.2	22.7	29.8	76.3	57.8	11.3	31.6	15.1	9,890	4,250	1,758	1,118	386	277	620	964
20	SuperSonics	38-3	1995-96	.927	41	241.8	107.8	42.0	25.4	11.1	4.8	38.9	77.3	50.3	6.9	18.8	36.4	23.1	31.0	74.5	59.2	11.1	30.8	17.2	9,915	4,419	1,720	1,040	456	195	704	967
21	Celtics	25-2	1959-60	.926	27	240.0	128.1	79.8				53.1						22.0	29.8	73.8					6,480	3,459	2,154					636
22	Lakers	24-2	1952-53	.923	26	241.9	87.1					31.4	78.5	40.0				24.3	33.8	71.9	46.6				6,290	2,265						684
23	Lakers	29-3	1950-51	.906	32	242.3	84.4					32.1						20.3	27.7	73.2					7,755	2,701						806
24	Warriors	29-3	1950-51	.906	32	244.7	90.5		23.1			32.3	88.5	36.5				26.0	33.6	77.5	43.8				7,830	2,897		739				777
25	Hawks	28-3	1958-59	.903	31	240.0	111.5					40.7						30.0	40.1	74.9					7,440	3,457						839