Lead Paint Risk in Fairfax County, Virginia

43.9%Pre-1978 Housing

188,244Pre-1978 Units

428,352Total Housing Units

274Census 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

188,244 housing units in Fairfax County were built before 1978.
The county's pre-1978 housing share is 43.9%, compared with the state rate of 44.2%.
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 274 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 9803	11	11	100.0%	0	0	0	0	11
Census Tract 4308.01	1,331	1,339	99.4%	153	1,096	82	0	0
Census Tract 4212	668	683	97.8%	165	486	17	0	0
Census Tract 4822.06	634	651	97.4%	192	421	21	0	0
Census Tract 4407.01	881	915	96.3%	418	424	21	13	5
Census Tract 4510	947	987	95.9%	46	173	670	46	12
Census Tract 4152	1,798	1,880	95.6%	92	538	866	254	48
Census Tract 4304	2,223	2,327	95.5%	335	1,663	225	0	0
Census Tract 4307	914	957	95.5%	16	147	708	20	23
Census Tract 4308.02	1,645	1,723	95.5%	630	908	51	25	31
Census Tract 4306	1,861	1,961	94.9%	87	517	1,213	44	0
Census Tract 4502	1,298	1,385	93.7%	245	230	294	492	37
Census Tract 4157	1,220	1,304	93.6%	81	568	541	15	15
Census Tract 4407.02	1,581	1,710	92.5%	518	1,012	41	0	10
Census Tract 4217.02	1,215	1,319	92.1%	542	460	172	34	7
Census Tract 4524	2,247	2,443	92.0%	452	376	1,267	26	126
Census Tract 4505	813	886	91.8%	91	128	522	72	0
Census Tract 4522	1,895	2,071	91.5%	477	464	670	206	78
Census Tract 4509	547	609	89.8%	17	235	255	32	8
Census Tract 4528.02	1,649	1,843	89.5%	1,326	227	66	21	9
Census Tract 4513	770	869	88.6%	27	131	505	82	25
Census Tract 4216	1,829	2,087	87.6%	1,186	286	173	91	93
Census Tract 4159	1,055	1,208	87.3%	243	625	141	28	18
Census Tract 4511	703	807	87.1%	88	159	428	15	13
Census Tract 4305	446	514	86.8%	62	213	170	0	1
Census Tract 4516.02	1,043	1,211	86.1%	104	514	347	72	6
Census Tract 4619.02	447	519	86.1%	371	21	0	20	35
Census Tract 4512	561	654	85.8%	4	80	467	10	0
Census Tract 4821	1,522	1,774	85.8%	814	658	18	9	23
Census Tract 4516.01	1,499	1,767	84.8%	197	770	485	47	0
Census Tract 4507.02	1,282	1,515	84.6%	308	813	119	25	17
Census Tract 4504	829	988	83.9%	92	115	537	74	11
Census Tract 4520	855	1,023	83.6%	407	296	94	36	22
Census Tract 4521.02	829	993	83.5%	518	120	142	43	6
Census Tract 4523.01	1,246	1,505	82.8%	459	584	193	10	0
Census Tract 4606	1,100	1,330	82.7%	140	815	138	0	7
Census Tract 4158	1,480	1,795	82.5%	196	892	379	7	6
Census Tract 4310.01	1,532	1,861	82.3%	1,365	134	0	0	33
Census Tract 4403	757	920	82.3%	194	490	67	0	6
Census Tract 4207	1,125	1,373	81.9%	147	427	508	23	20
Census Tract 4506.01	1,124	1,396	80.5%	263	121	709	31	0
Census Tract 4154.01	1,567	1,953	80.2%	378	973	139	60	17
Census Tract 4508	1,057	1,320	80.1%	26	286	670	75	0
Census Tract 4815	621	778	79.8%	524	80	11	6	0
Census Tract 4153	1,372	1,722	79.7%	60	297	842	94	79
Census Tract 4302.01	1,122	1,417	79.2%	988	44	58	0	32
Census Tract 4515.01	1,787	2,263	79.0%	822	253	505	147	60
Census Tract 4523.02	1,392	1,771	78.6%	695	600	59	12	26
Census Tract 4714.01	1,083	1,379	78.5%	269	413	359	34	8
Census Tract 4156	827	1,063	77.8%	121	223	308	130	45
Census Tract 4161	1,192	1,532	77.8%	150	555	457	30	0
Census Tract 4713.04	580	751	77.2%	57	145	265	107	6
Census Tract 4327.01	850	1,106	76.9%	821	29	0	0	0
Census Tract 4309.02	859	1,118	76.8%	730	3	51	24	51
Census Tract 4619.01	1,084	1,412	76.8%	953	68	39	0	24
Census Tract 4405.01	1,240	1,628	76.2%	339	830	61	10	0
Census Tract 4208	947	1,251	75.7%	145	76	662	55	9
Census Tract 4518	953	1,263	75.5%	121	102	682	0	48
Census Tract 4607.01	845	1,133	74.6%	155	477	185	28	0
Census Tract 4401	2,046	2,761	74.1%	648	1,156	242	0	0
Census Tract 4610	591	828	71.4%	138	307	115	23	8
Census Tract 4201	851	1,196	71.2%	106	607	124	14	0
Census Tract 4402.02	1,715	2,409	71.2%	466	1,071	161	17	0
Census Tract 4525.01	863	1,212	71.2%	7	170	530	148	8
Census Tract 4711	1,775	2,512	70.7%	233	632	850	60	0
Census Tract 4302.02	1,194	1,696	70.4%	995	185	0	7	7
Census Tract 4525.02	1,089	1,555	70.0%	271	611	138	62	7
Census Tract 4822.01	725	1,039	69.8%	384	324	7	10	0
Census Tract 4521.01	1,235	1,771	69.7%	333	528	224	128	22
Census Tract 4814	1,936	2,790	69.4%	1,357	540	26	13	0
Census Tract 4408	1,448	2,096	69.1%	213	914	235	0	86
Census Tract 4617	1,933	2,811	68.8%	1,396	252	165	27	93
Census Tract 4707	1,326	1,928	68.8%	93	334	868	10	21
Census Tract 4313	881	1,284	68.6%	407	448	18	0	8
Census Tract 4611	1,822	2,673	68.2%	829	711	190	37	55
Census Tract 4603	661	976	67.7%	399	235	22	5	0
Census Tract 4318.02	683	1,017	67.2%	665	10	0	8	0
Census Tract 4703	781	1,165	67.0%	280	255	176	30	40
Census Tract 4823.02	1,270	1,899	66.9%	1,099	70	65	11	25
Census Tract 4301.01	1,027	1,537	66.8%	804	218	0	0	5
Census Tract 4705	1,504	2,261	66.5%	613	657	210	24	0
Census Tract 4812.02	1,419	2,134	66.5%	1,288	131	0	0	0
Census Tract 4155	1,538	2,317	66.4%	445	488	471	115	19
Census Tract 4708	726	1,096	66.2%	180	267	279	0	0
Census Tract 4151	727	1,101	66.0%	55	87	305	141	139
Census Tract 4206	1,329	2,033	65.4%	212	177	334	591	15
Census Tract 4712.01	1,176	1,802	65.3%	517	459	68	35	97
Census Tract 4314	937	1,438	65.2%	294	600	43	0	0
Census Tract 4217.01	1,152	1,770	65.1%	145	841	166	0	0
Census Tract 4203	1,427	2,197	65.0%	217	388	719	18	85
Census Tract 4713.03	1,121	1,732	64.7%	902	144	2	33	40
Census Tract 4154.02	736	1,140	64.6%	119	300	220	76	21
Census Tract 4160	1,458	2,265	64.4%	273	902	226	44	13
Census Tract 4506.02	1,238	1,926	64.3%	145	548	354	33	158
Census Tract 4163	468	740	63.2%	188	113	131	26	10
Census Tract 4714.02	965	1,559	61.9%	719	182	57	0	7
Census Tract 4911.02	647	1,048	61.7%	188	436	23	0	0
Census Tract 4327.02	1,013	1,667	60.8%	987	0	26	0	0
Census Tract 4608	730	1,201	60.8%	220	248	199	51	12
Census Tract 4318.01	828	1,372	60.3%	706	85	0	0	37