Lead Paint Risk in Washington County, Oregon

36.5%Pre-1978 Housing

87,715Pre-1978 Units

240,409Total Housing Units

134Census 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

87,715 housing units in Washington County were built before 1978.
The county's pre-1978 housing share is 36.5%, compared with the state rate of 49.7%.
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 134 tracts; download the full county tract CSV.

Tract	Pre-1978	Total	Risk Rate	1970s	1960s	1950s	1940s	≤1939
Census Tract 303	1,761	1,953	90.2%	233	360	559	504	105
Census Tract 310.08	1,842	2,111	87.3%	689	1,129	24	0	0
Census Tract 331.01	1,172	1,350	86.8%	122	73	145	166	666
Census Tract 302	2,294	2,654	86.4%	547	819	558	146	224
Census Tract 314.03	1,636	2,045	80.0%	296	723	436	172	9
Census Tract 314.04	1,916	2,432	78.8%	575	548	658	135	0
Census Tract 317.08	866	1,148	75.4%	629	154	55	28	0
Census Tract 326.04	1,657	2,272	72.9%	255	467	256	349	330
Census Tract 313.01	893	1,232	72.5%	484	50	209	88	62
Census Tract 305.01	1,936	2,697	71.8%	970	361	504	35	66
Census Tract 319.04	752	1,088	69.1%	362	129	175	54	32
Census Tract 304.01	1,562	2,312	67.6%	456	748	339	19	0
Census Tract 328	343	512	67.0%	85	45	25	38	150
Census Tract 310.05	1,440	2,212	65.1%	391	830	146	29	44
Census Tract 319.14	1,678	2,586	64.9%	583	806	209	37	43
Census Tract 315.06	892	1,387	64.3%	506	363	8	0	15
Census Tract 315.04	1,818	2,842	64.0%	1,217	536	22	0	43
Census Tract 312.01	933	1,466	63.6%	157	311	190	184	91
Census Tract 324.04	1,577	2,560	61.6%	1,007	349	104	69	48
Census Tract 324.10	817	1,333	61.3%	461	209	123	0	24
Census Tract 310.12	886	1,455	60.9%	753	50	19	32	32
Census Tract 319.12	992	1,631	60.8%	490	380	87	31	4
Census Tract 312.02	1,155	1,906	60.6%	460	545	119	17	14
Census Tract 325.03	896	1,497	59.9%	765	107	8	6	10
Census Tract 304.02	1,314	2,201	59.7%	416	457	275	139	27
Census Tract 316.15	1,041	1,754	59.4%	806	165	70	0	0
Census Tract 326.06	1,329	2,243	59.3%	576	238	397	0	118
Census Tract 336	507	877	57.8%	157	101	60	40	149
Census Tract 318.07	949	1,658	57.2%	625	162	19	91	52
Census Tract 330	1,343	2,350	57.1%	396	177	210	106	454
Census Tract 331.02	837	1,479	56.6%	328	301	96	35	77
Census Tract 320.04	521	924	56.4%	457	48	5	4	7
Census Tract 323.01	252	448	56.3%	110	62	31	16	33
Census Tract 311	805	1,438	56.0%	229	109	282	120	65
Census Tract 309	1,368	2,476	55.3%	807	365	159	13	24
Census Tract 317.03	1,045	1,890	55.3%	752	158	36	35	64
Census Tract 332.01	830	1,543	53.8%	459	174	66	117	14
Census Tract 316.06	1,166	2,183	53.4%	741	277	98	41	9
Census Tract 325.01	501	938	53.4%	113	32	98	92	166
Census Tract 313.02	1,217	2,284	53.3%	621	199	89	186	122
Census Tract 317.07	1,093	2,063	53.0%	980	113	0	0	0
Census Tract 315.11	536	1,026	52.2%	332	171	9	24	0
Census Tract 324.09	806	1,544	52.2%	410	117	88	130	61
Census Tract 334	470	911	51.6%	166	37	81	44	142
Census Tract 329.03	599	1,170	51.2%	401	8	152	0	38
Census Tract 315.07	1,141	2,241	50.9%	511	615	15	0	0
Census Tract 305.02	1,110	2,201	50.4%	688	183	102	63	74
Census Tract 317.05	888	1,764	50.3%	514	107	227	13	27
Census Tract 310.11	828	1,654	50.1%	714	35	79	0	0
Census Tract 321.07	401	803	49.9%	385	10	0	0	6
Census Tract 308.03	1,378	2,818	48.9%	1,136	221	14	0	7
Census Tract 332.02	515	1,059	48.6%	143	126	31	106	109
Census Tract 316.20	824	1,734	47.5%	791	13	0	20	0
Census Tract 308.01	1,250	2,814	44.4%	560	362	104	93	131
Census Tract 306	1,052	2,383	44.1%	530	251	120	63	88
Census Tract 322.02	518	1,183	43.8%	159	153	87	16	103
Census Tract 301.06	697	1,632	42.7%	274	112	290	12	9
Census Tract 318.06	928	2,222	41.8%	644	107	123	26	28
Census Tract 329.04	660	1,584	41.7%	381	119	129	23	8
Census Tract 317.06	884	2,138	41.3%	456	192	115	75	46
Census Tract 318.16	563	1,362	41.3%	427	96	8	32	0
Census Tract 333.01	881	2,211	39.8%	281	111	236	44	209
Census Tract 335	638	1,616	39.5%	281	69	27	34	227
Census Tract 310.09	770	2,034	37.9%	689	38	20	0	23
Census Tract 316.24	669	1,773	37.7%	353	96	111	63	46
Census Tract 315.16	546	1,471	37.1%	363	141	31	0	11
Census Tract 321.08	561	1,579	35.5%	519	0	34	0	8
Census Tract 326.10	327	925	35.4%	272	20	35	0	0
Census Tract 301.04	554	1,620	34.2%	119	231	130	74	0
Census Tract 324.12	549	1,610	34.1%	400	79	33	0	37
Census Tract 319.17	538	1,632	33.0%	194	128	169	8	39
Census Tract 307	389	1,181	32.9%	158	127	59	11	34
Census Tract 320.05	691	2,202	31.4%	555	92	12	8	24
Census Tract 314.02	445	1,423	31.3%	169	179	33	41	23
Census Tract 316.19	526	1,686	31.2%	397	83	46	0	0
Census Tract 329.01	790	2,550	31.0%	352	161	72	77	128
Census Tract 310.07	372	1,206	30.8%	247	70	0	55	0
Census Tract 327	687	2,390	28.7%	254	127	56	25	225
Census Tract 321.04	538	1,885	28.5%	305	41	107	16	69
Census Tract 301.03	748	2,642	28.3%	443	31	163	111	0
Census Tract 319.11	729	2,593	28.1%	594	60	20	0	55
Census Tract 310.10	328	1,172	28.0%	227	2	3	0	96
Census Tract 320.01	610	2,380	25.6%	463	24	15	0	108
Census Tract 333.02	482	1,933	24.9%	266	68	65	12	71
Census Tract 308.05	455	1,854	24.5%	293	124	16	22	0
Census Tract 320.03	463	1,988	23.3%	445	18	0	0	0
Census Tract 321.12	615	2,659	23.1%	439	45	12	54	65
Census Tract 325.02	268	1,173	22.8%	172	53	31	12	0
Census Tract 308.06	254	1,131	22.5%	158	10	33	18	35
Census Tract 321.10	176	900	19.6%	52	66	28	8	22
Census Tract 315.15	317	1,647	19.2%	217	48	39	13	0
Census Tract 316.14	381	2,038	18.7%	161	90	89	30	11
Census Tract 315.18	221	1,231	18.0%	211	10	0	0	0
Census Tract 318.04	487	2,727	17.9%	214	78	0	84	111
Census Tract 316.22	246	1,448	17.0%	198	14	0	12	22
Census Tract 316.12	295	1,899	15.5%	80	14	194	0	7
Census Tract 323.02	414	2,666	15.5%	280	32	17	65	20
Census Tract 319.15	276	1,832	15.1%	93	79	5	90	9
Census Tract 326.03	340	2,406	14.1%	114	80	70	9	67
Census Tract 316.21	239	1,739	13.7%	226	0	0	0	13