Lead Paint Risk in Nassau County, New York

86.1%Pre-1978 Housing

411,318Pre-1978 Units

477,860Total Housing Units

286Census 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

411,318 housing units in Nassau County were built before 1978.
The county's pre-1978 housing share is 86.1%, compared with the state rate of 74.7%.
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 286 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 4051	2,560	2,560	100.0%	39	416	780	919	406
Census Tract 4102	1,498	1,498	100.0%	108	156	157	163	914
Census Tract 9821	15	15	100.0%	0	0	15	0	0
Census Tract 4155	890	892	99.8%	13	67	716	53	41
Census Tract 4141	2,041	2,052	99.5%	101	103	530	311	996
Census Tract 5218.02	1,219	1,231	99.0%	25	72	1,094	13	15
Census Tract 4123.02	1,390	1,405	98.9%	112	116	147	178	837
Census Tract 4049.01	1,382	1,399	98.8%	8	43	779	411	141
Census Tract 5188	1,018	1,030	98.8%	12	80	918	8	0
Census Tract 3032.03	1,060	1,075	98.6%	95	173	542	217	33
Census Tract 4073.02	1,489	1,512	98.5%	118	63	782	390	136
Census Tract 4088	2,312	2,347	98.5%	48	269	1,486	478	31
Census Tract 4108	1,620	1,644	98.5%	127	206	383	398	506
Census Tract 4053.01	1,041	1,059	98.3%	69	90	372	266	244
Census Tract 4090	1,979	2,014	98.3%	35	61	885	934	64
Census Tract 3017	851	867	98.2%	0	60	205	131	455
Census Tract 4098	1,445	1,471	98.2%	0	42	788	466	149
Census Tract 4140.01	1,331	1,356	98.2%	59	143	378	164	587
Census Tract 4043	1,090	1,111	98.1%	59	39	116	32	844
Census Tract 5218.01	1,305	1,333	97.9%	0	127	1,123	45	10
Census Tract 4060.01	1,624	1,660	97.8%	64	216	374	449	521
Census Tract 4061	925	946	97.8%	87	86	396	133	223
Census Tract 4095	1,285	1,315	97.7%	48	157	996	53	31
Census Tract 4058	1,329	1,362	97.6%	59	49	515	532	174
Census Tract 4044	1,634	1,676	97.5%	73	90	233	194	1,044
Census Tract 4119.02	1,215	1,246	97.5%	27	139	389	188	472
Census Tract 4127	1,405	1,441	97.5%	52	58	108	376	811
Census Tract 5216.02	1,047	1,074	97.5%	10	151	812	39	35
Census Tract 4118	2,352	2,414	97.4%	251	391	396	177	1,137
Census Tract 4109	1,918	1,972	97.3%	45	365	1,263	58	187
Census Tract 4057	1,605	1,651	97.2%	83	156	1,041	208	117
Census Tract 4068.02	1,745	1,796	97.2%	437	457	26	427	398
Census Tract 3014	693	714	97.1%	1	7	326	101	258
Census Tract 5196.01	1,425	1,468	97.1%	11	89	1,191	108	26
Census Tract 4084	1,351	1,393	97.0%	58	176	689	388	40
Census Tract 5190	1,822	1,878	97.0%	0	441	890	350	141
Census Tract 4106	2,339	2,415	96.9%	104	286	850	368	731
Census Tract 5199	1,806	1,863	96.9%	61	154	1,249	101	241
Census Tract 5205.02	1,645	1,700	96.8%	37	359	1,084	118	47
Census Tract 5213.02	1,766	1,826	96.7%	98	464	968	100	136
Census Tract 4062.01	904	936	96.6%	6	124	358	90	326
Census Tract 4101	2,156	2,232	96.6%	113	75	412	688	868
Census Tract 4076	1,737	1,800	96.5%	80	110	1,216	285	46
Census Tract 4072.04	825	856	96.4%	89	149	247	207	133
Census Tract 4093	1,335	1,385	96.4%	48	29	431	827	0
Census Tract 3008	1,580	1,640	96.3%	12	130	609	291	538
Census Tract 3033.02	1,565	1,625	96.3%	37	376	196	28	928
Census Tract 3039	1,227	1,274	96.3%	30	63	886	130	118
Census Tract 4063	1,310	1,360	96.3%	39	82	739	119	331
Census Tract 4065.01	2,210	2,296	96.3%	50	338	668	275	879
Census Tract 5194	1,485	1,542	96.3%	23	74	1,079	109	200
Census Tract 5195	1,792	1,861	96.3%	39	227	1,393	80	53
Census Tract 5196.02	649	674	96.3%	34	67	525	18	5
Census Tract 3029	1,461	1,519	96.2%	43	51	463	814	90
Census Tract 3030	1,992	2,070	96.2%	48	158	728	590	468
Census Tract 3033.01	890	925	96.2%	42	15	89	226	518
Census Tract 4045	1,587	1,649	96.2%	72	124	462	258	671
Census Tract 4047	2,274	2,364	96.2%	50	317	749	163	995
Census Tract 4125	1,382	1,437	96.2%	26	120	78	108	1,050
Census Tract 5206	1,787	1,858	96.2%	104	234	1,293	79	77
Census Tract 4113.02	1,930	2,008	96.1%	98	538	1,069	189	36
Census Tract 5215	1,657	1,725	96.1%	105	173	1,370	0	9
Census Tract 4092	1,950	2,031	96.0%	17	132	470	1,266	65
Census Tract 4136	1,876	1,955	96.0%	67	173	310	301	1,025
Census Tract 4103	1,856	1,937	95.8%	167	254	737	430	268
Census Tract 3028	1,836	1,919	95.7%	0	84	658	1,009	85
Census Tract 5227	1,573	1,646	95.6%	32	202	1,130	18	191
Census Tract 4066	1,474	1,543	95.5%	25	35	611	312	491
Census Tract 4094	1,374	1,439	95.5%	7	89	1,068	210	0
Census Tract 4086	1,317	1,380	95.4%	0	119	622	524	52
Census Tract 4087	1,502	1,575	95.4%	9	130	731	613	19
Census Tract 4143.01	981	1,028	95.4%	52	256	126	117	430
Census Tract 4126	1,179	1,237	95.3%	37	19	290	263	570
Census Tract 4135	2,336	2,451	95.3%	186	139	314	847	850
Census Tract 4142.01	1,898	1,992	95.3%	88	508	342	333	627
Census Tract 3031.01	1,161	1,219	95.2%	26	692	345	93	5
Census Tract 4104	1,423	1,495	95.2%	47	153	426	377	420
Census Tract 5208	1,319	1,385	95.2%	29	147	1,094	24	25
Census Tract 4107	2,396	2,520	95.1%	72	329	425	311	1,259
Census Tract 4067.01	973	1,024	95.0%	78	247	243	196	209
Census Tract 5202	860	905	95.0%	0	130	680	39	11
Census Tract 5192	1,889	1,990	94.9%	19	74	1,182	456	158
Census Tract 4133	2,245	2,368	94.8%	40	223	1,113	460	409
Census Tract 4059	1,588	1,677	94.7%	25	75	1,227	219	42
Census Tract 5171.02	752	794	94.7%	143	107	338	150	14
Census Tract 5216.01	1,384	1,461	94.7%	9	114	1,078	137	46
Census Tract 4099	2,433	2,573	94.6%	152	134	1,174	813	160
Census Tract 4154.01	1,722	1,821	94.6%	42	369	737	198	376
Census Tract 3027	1,431	1,514	94.5%	19	64	574	459	315
Census Tract 4071.01	1,507	1,596	94.4%	112	161	505	325	404
Census Tract 4077	1,578	1,671	94.4%	31	111	1,114	314	8
Census Tract 4112	2,712	2,873	94.4%	227	391	746	237	1,111
Census Tract 4121	2,392	2,533	94.4%	45	223	782	350	992
Census Tract 5174	1,866	1,977	94.4%	77	223	406	92	1,068
Census Tract 3040.01	786	834	94.2%	49	37	307	378	15
Census Tract 4113.01	1,354	1,438	94.2%	197	807	319	8	23
Census Tract 4117	2,394	2,542	94.2%	64	285	833	278	934
Census Tract 5207	1,618	1,717	94.2%	22	273	1,022	127	174
Census Tract 3035	1,775	1,892	93.8%	13	105	578	442	637
Census Tract 4046	1,360	1,450	93.8%	71	72	385	81	751