what team has the most team homeruns in a single postseason before 2020

Before 2020, the Houston Astros and the San Francisco Giants were tied for the most home runs in a postseason, with 27 homers.

	TEAM	HR	SEASON	G	W%	W	L	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Astros	27	2017	18	.611	11	7	605	78	145	33	1	73	60	6	129	4	1	674	261	61	1	2	8	16	.240	.314	.431	.745
2	Giants	27	2002	17	.588	10	7	559	91	146	19	3	89	69	5	131	7	2	655	252	49	14	8	20	9	.261	.343	.451	.794
3	Rays	26	2008	16	.500	8	8	536	79	135	21	4	78	47	3	126	24	3	592	242	51	3	3	4	13	.252	.314	.451	.766
4	Astros	25	2019	18	.556	10	8	616	71	144	25	0	66	66	2	154	11	1	687	244	50	1	2	4	11	.234	.309	.396	.705
5	Phillies	25	2009	15	.600	9	6	485	82	120	24	5	81	68	6	113	11	2	568	229	54	6	3	5	13	.247	.345	.472	.817
6	Astros	25	2004	12	.500	6	6	413	67	111	22	0	66	46	6	72	9	6	473	208	47	4	4	5	9	.269	.348	.504	.851
7	Angels	24	2002	16	.688	11	5	565	101	181	30	3	95	39	6	82	11	2	623	289	57	8	5	8	13	.320	.367	.512	.879
8	Dodgers	23	2017	15	.667	10	5	496	82	120	23	5	76	65	9	133	6	5	579	222	51	5	4	3	10	.242	.338	.448	.786
9	Rangers	22	2011	17	.588	10	7	584	85	150	32	1	84	58	7	117	8	8	660	250	55	5	6	8	12	.257	.328	.428	.756
10	Cubs	20	2016	17	.647	11	6	587	75	137	31	3	73	46	6	152	11	1	645	234	54	1	5	5	8	.233	.293	.399	.692
11	Mets	20	2015	14	.571	8	6	470	62	103	14	1	60	40	4	140	10	4	527	179	35	6	7	4	9	.219	.282	.381	.663
12	Rangers	20	2010	16	.500	8	8	534	71	136	28	1	67	45	3	112	17	4	589	226	49	4	3	9	17	.255	.315	.423	.738
13	Yankees	20	2009	15	.733	11	4	522	80	134	24	2	75	65	9	125	7	3	605	222	46	5	4	7	9	.257	.347	.425	.772
14	Cardinals	20	2004	15	.467	7	8	491	68	117	23	2	62	44	6	114	7	2	554	204	45	9	4	2	7	.238	.306	.415	.722
15	Red Sox	20	2003	12	.500	6	6	430	46	106	15	2	42	35	5	99	5	5	470	185	37	0	0	7	13	.247	.311	.430	.741
16	Nationals	19	2019	17	.706	12	5	566	78	137	27	2	75	59	5	154	4	0	643	225	48	9	4	8	10	.242	.317	.398	.715
17	Dodgers	19	2018	16	.500	8	8	546	59	112	15	2	56	67	7	173	13	4	627	188	36	4	3	5	11	.205	.299	.344	.643
18	Tigers	19	2011	11	.455	5	6	367	42	87	15	1	40	39	4	97	4	1	416	161	35	6	0	6	13	.237	.317	.439	.756
19	Phillies	19	2008	14	.786	11	3	465	64	121	27	2	60	61	2	101	14	4	531	209	48	3	0	11	10	.260	.348	.449	.798
20	Braves	19	1995	14	.786	11	3	496	69	140	24	1	64	53	3	83	10	5	560	223	44	6	2	11	13	.282	.354	.450	.803
21	Indians	18	2016	15	.667	10	5	477	54	106	19	0	49	39	6	138	7	4	532	179	37	8	2	2	7	.222	.288	.375	.663
22	Cardinals	18	2011	18	.611	11	7	616	100	167	35	4	92	72	8	135	7	5	711	264	57	12	3	16	15	.271	.353	.429	.782
23	Red Sox	18	2007	14	.786	11	3	476	99	149	41	1	96	66	4	85	6	1	559	246	60	4	9	8	23	.313	.395	.517	.911
24	White Sox	18	2005	12	.917	11	1	416	67	113	25	3	67	36	12	77	13	7	474	198	46	8	2	3	10	.272	.345	.476	.821
25	Red Sox	18	2004	14	.786	11	3	525	90	149	29	3	87	72	6	96	7	2	609	238	50	2	4	7	13	.284	.374	.453	.827