Lead Paint Risk in Los Angeles County, California

71.1%Pre-1978 Housing

2,578,211Pre-1978 Units

3,624,084Total Housing Units

2498Census Tracts

How to Interpret This

This is an area-level screening signal based on Census housing-age data. It does not confirm lead paint in any specific home. Homes built before 1978 may contain lead-based paint, and certified inspection or testing is the only way to confirm a property-level hazard.

Reporter / Resident Story Kit

2,578,211 housing units in Los Angeles County were built before 1978.
The county's pre-1978 housing share is 71.1%, compared with the state rate of 56.7%.
Local questions: Which neighborhoods have the oldest housing stock? Are lead-safe renovation resources available? Do renters and families with young children know how to request testing?

Highest-Risk Census Tracts

Individual census tracts ranked by pre-1978 housing percentage. Showing the top 100 of 2498 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 2073.04	1,889	1,889	100.0%	210	79	0	66	1,534
Census Tract 2163.01	702	702	100.0%	42	0	94	77	489
Census Tract 2345.02	1,228	1,228	100.0%	245	94	144	281	464
Census Tract 4024.04	4	4	100.0%	0	0	0	0	4
Census Tract 5013.01	1,111	1,111	100.0%	0	16	189	526	380
Census Tract 5026.03	794	794	100.0%	18	93	600	83	0
Census Tract 5742.01	1,139	1,139	100.0%	63	121	920	35	0
Census Tract 9800.14	10	10	100.0%	6	0	4	0	0
Census Tract 9800.19	37	37	100.0%	23	9	0	0	5
Census Tract 9800.23	15	15	100.0%	0	0	15	0	0
Census Tract 9800.28	4	4	100.0%	4	0	0	0	0
Census Tract 9800.31	7	7	100.0%	0	7	0	0	0
Census Tract 5740	2,020	2,027	99.7%	19	54	1,916	22	9
Census Tract 6037.03	863	866	99.7%	51	24	756	27	5
Census Tract 4073.02	780	784	99.5%	65	113	562	28	12
Census Tract 5778	1,387	1,394	99.5%	92	60	1,099	136	0
Census Tract 5428	976	982	99.4%	87	32	557	300	0
Census Tract 5736.01	2,472	2,487	99.4%	43	25	529	1,823	52
Census Tract 2343.02	1,512	1,522	99.3%	106	259	428	312	407
Census Tract 6008.01	1,341	1,350	99.3%	36	55	147	272	831
Census Tract 2324.02	1,033	1,041	99.2%	156	83	43	69	682
Census Tract 3015.01	605	610	99.2%	27	27	122	26	403
Census Tract 1198.01	616	623	98.9%	19	74	397	42	84
Census Tract 2374.02	1,027	1,038	98.9%	78	111	26	246	566
Census Tract 3103	1,126	1,139	98.9%	19	45	1,028	24	10
Census Tract 4818	932	942	98.9%	18	30	490	341	53
Census Tract 5437.04	876	886	98.9%	18	134	313	404	7
Census Tract 5744	2,007	2,031	98.8%	26	141	1,793	41	6
Census Tract 4073.01	936	948	98.7%	64	79	720	73	0
Census Tract 5029.01	1,542	1,562	98.7%	35	274	1,017	216	0
Census Tract 5434	1,000	1,013	98.7%	35	393	527	35	10
Census Tract 5708	1,686	1,708	98.7%	11	45	1,470	160	0
Census Tract 5530	1,171	1,188	98.6%	20	23	1,060	25	43
Census Tract 5709.01	1,806	1,831	98.6%	97	386	1,278	45	0
Census Tract 4808.02	1,092	1,109	98.5%	55	40	174	171	652
Census Tract 5019	1,314	1,334	98.5%	47	12	937	309	9
Census Tract 5532.01	975	990	98.5%	17	170	674	87	27
Census Tract 5709.02	1,182	1,200	98.5%	38	131	918	24	71
Census Tract 7032	2,347	2,383	98.5%	78	237	772	499	761
Census Tract 2051.10	881	895	98.4%	63	42	154	201	421
Census Tract 2141	1,838	1,868	98.4%	45	106	134	144	1,409
Census Tract 5035.02	1,166	1,185	98.4%	16	103	1,012	24	11
Census Tract 5300.07	2,202	2,238	98.4%	365	796	691	314	36
Census Tract 2211.20	813	827	98.3%	93	36	60	167	457
Census Tract 5024.02	972	989	98.3%	13	71	667	197	24
Census Tract 5711.01	1,651	1,680	98.3%	42	52	1,390	86	81
Census Tract 2920.02	535	545	98.2%	23	131	330	51	0
Census Tract 5738	1,559	1,587	98.2%	74	55	1,377	44	9
Census Tract 4638	1,634	1,665	98.1%	156	224	527	335	392
Census Tract 5501.01	1,028	1,048	98.1%	119	101	512	268	28
Census Tract 2195	863	881	98.0%	50	27	134	443	209
Census Tract 4066.01	1,508	1,539	98.0%	117	316	796	236	43
Census Tract 6505.02	1,655	1,689	98.0%	334	461	814	9	37
Census Tract 5002.03	1,248	1,275	97.9%	66	155	999	20	8
Census Tract 6099	642	656	97.9%	172	49	84	38	299
Census Tract 6501.02	737	753	97.9%	70	33	586	46	2
Census Tract 1348.01	1,129	1,156	97.7%	159	172	798	0	0
Census Tract 1352.04	1,637	1,679	97.5%	85	1,057	457	0	38
Census Tract 5012	1,425	1,462	97.5%	247	199	613	304	62
Census Tract 5776.04	853	875	97.5%	804	29	4	16	0
Census Tract 4033.27	861	884	97.4%	466	301	56	38	0
Census Tract 4624	1,555	1,597	97.4%	152	176	150	66	1,011
Census Tract 5028.01	1,830	1,878	97.4%	125	178	1,416	87	24
Census Tract 5745	2,340	2,405	97.3%	63	197	1,989	91	0
Census Tract 1173.01	1,130	1,163	97.2%	69	315	682	64	0
Census Tract 1349.01	1,026	1,056	97.2%	59	169	752	27	19
Census Tract 3013	701	721	97.2%	54	32	28	87	500
Census Tract 5359.02	1,468	1,510	97.2%	47	250	185	769	217
Census Tract 2046	1,118	1,153	97.0%	59	98	121	51	789
Census Tract 5039.02	1,479	1,524	97.0%	87	243	1,149	0	0
Census Tract 5712.01	1,442	1,486	97.0%	42	47	417	737	199
Census Tract 5302.03	974	1,005	96.9%	174	204	420	134	42
Census Tract 2311	697	720	96.8%	140	62	23	37	435
Census Tract 2932.03	1,197	1,236	96.8%	78	388	386	206	139
Census Tract 5700.03	1,282	1,324	96.8%	32	63	273	885	29
Census Tract 4819.01	1,955	2,022	96.7%	47	95	587	487	739
Census Tract 5007	1,766	1,827	96.7%	154	93	1,285	208	26
Census Tract 5033.01	1,070	1,106	96.7%	46	27	900	87	10
Census Tract 5037.01	1,597	1,651	96.7%	337	723	427	110	0
Census Tract 5417	1,361	1,408	96.7%	110	192	344	511	204
Census Tract 4807.04	1,935	2,004	96.6%	79	278	731	158	689
Census Tract 1192.01	855	887	96.4%	27	111	629	67	21
Census Tract 2041.20	700	726	96.4%	45	169	70	27	389
Census Tract 2213.03	755	783	96.4%	84	104	94	47	426
Census Tract 2343.01	1,028	1,066	96.4%	31	150	175	369	303
Census Tract 5705.03	1,126	1,168	96.4%	79	73	219	537	218
Census Tract 1111	956	993	96.3%	50	247	649	5	5
Census Tract 2145.03	1,580	1,640	96.3%	121	196	282	711	270
Census Tract 2201	1,109	1,152	96.3%	46	117	291	526	129
Census Tract 5713	1,523	1,582	96.3%	80	383	1,007	53	0
Census Tract 2345.01	942	979	96.2%	26	78	64	113	661
Census Tract 4827.01	1,381	1,435	96.2%	98	116	551	554	62
Census Tract 5010.02	1,307	1,359	96.2%	15	59	495	545	193
Census Tract 5726	1,239	1,288	96.2%	110	101	305	496	227
Census Tract 7031	2,590	2,692	96.2%	136	397	332	1,044	681
Census Tract 1313	1,150	1,197	96.1%	18	80	1,011	41	0
Census Tract 1323.02	955	994	96.1%	180	160	206	374	35
Census Tract 5545.18	1,542	1,604	96.1%	834	605	85	8	10
Census Tract 5548.01	746	776	96.1%	49	328	316	41	12
Census Tract 5710	1,863	1,938	96.1%	16	134	1,658	49	6