Zip Code: 03809 (Alton, New Hampshire) - Trend of Zillow Home Value Index (ZHVI) for All Homes (SFR, Condo/Co-op), Smooth and Seasonally Adjusted (Zillow)

Updated on March 22, 2026.

According to data from Zillow.com, the smoothed and seasonally adjusted Zillow home value index (ZHVI) for All Homes (SFR, Condo/Co-op) in the 03809 Zip Code (Alton, New Hampshire) in February 2026 was $516,424.301. The month over month percentage change (MoM) was 0.16%, and the year over year percentage change (YoY) was 3.46%.

The chart below shows the trend of the smoothed and seasonally adjusted ZHVI for the 03809 zip code (Alton, New Hampshire). The table below shows the trend of the smoothed and seasonally adjusted ZHVI, and the MoM and YoY percentage changes for the 03809 zip code (Alton, New Hampshire).

You can see similar information for other New Hampshire zip codes, and for New Hampshire.

Note: Zillow Home Value Index (ZHVI) is a measure of the typical home value and market changes across a given region and housing type. It reflects the typical value for homes in the 35th to 65th percentile range.

Related Topics: Zip Code: 03809 - Zillow House Inventory Topic List

Data Source: Zillow.

Zip Code: 03809 (Alton, New Hampshire) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted ($)

Zip Code: 03809 (Alton, New Hampshire) - Trend of Zillow Home Value Index (ZHVI), Smooth and Seasonally Adjusted

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Month	ZHVI ($)	MoM Perc. Change (%)	YoY Perc. Change (%)
Jan 2015	203738.1610671165	0.38	4.61
Feb 2015	204305.1318543742	0.28	4.76
Mar 2015	204777.46073880585	0.23	4.53
Apr 2015	205901.2141058327	0.55	4.51
May 2015	206875.44913607312	0.47	4.24
Jun 2015	207911.37542750136	0.50	4.33
Jul 2015	208793.44129825136	0.42	4.49
Aug 2015	209903.98293623942	0.53	4.99
Sep 2015	210863.22928228704	0.46	5.22
Oct 2015	211968.18588811462	0.52	5.51
Nov 2015	212831.34159449462	0.41	5.43
Dec 2015	213516.74852841394	0.32	5.19
Jan 2016	213574.85589160025	0.03	4.83
Feb 2016	213106.32599930916	-0.22	4.31
Mar 2016	212915.51160880228	-0.09	3.97
Apr 2016	213596.18233488975	0.32	3.74
May 2016	215332.22739901816	0.81	4.09
Jun 2016	217236.81845389263	0.88	4.49
Jul 2016	218818.84524790812	0.73	4.80
Aug 2016	220230.83288418467	0.65	4.92
Sep 2016	221830.85937347147	0.73	5.20
Oct 2016	223676.23200340653	0.83	5.52
Nov 2016	225743.80913033767	0.92	6.07
Dec 2016	227529.22188932332	0.79	6.56
Jan 2017	229026.7737786466	0.66	7.24
Feb 2017	229975.53088759573	0.41	7.92
Mar 2017	231020.11653424695	0.45	8.50
Apr 2017	232538.15861332775	0.66	8.87
May 2017	234315.12700771287	0.76	8.82
Jun 2017	235956.3186096614	0.70	8.62
Jul 2017	237024.80272360076	0.45	8.32
Aug 2017	238144.36566472333	0.47	8.13
Sep 2017	239334.52507440458	0.50	7.89
Oct 2017	240829.07053994123	0.62	7.67
Nov 2017	242416.52776668142	0.66	7.39
Dec 2017	243996.44901013802	0.65	7.24
Jan 2018	245326.47239932138	0.55	7.12
Feb 2018	246564.84978602742	0.51	7.21
Mar 2018	247898.12690443918	0.54	7.31
Apr 2018	250063.3793555294	0.87	7.54
May 2018	252759.2763890232	1.08	7.87
Jun 2018	255901.5744305821	1.24	8.45
Jul 2018	258532.03008481834	1.03	9.07
Aug 2018	260382.59748899235	0.72	9.34
Sep 2018	261676.07325127686	0.50	9.34
Oct 2018	262435.0745447076	0.29	8.97
Nov 2018	263088.12196537794	0.25	8.53
Dec 2018	263404.3503889674	0.12	7.95
Jan 2019	263678.88615498313	0.10	7.48
Feb 2019	264424.7077627385	0.28	7.24
Mar 2019	265765.9960057078	0.51	7.21
Apr 2019	266897.74158112775	0.43	6.73
May 2019	267476.1952289122	0.22	5.82
Jun 2019	267720.5782130389	0.09	4.62
Jul 2019	268239.2434612748	0.19	3.76
Aug 2019	269303.4664052565	0.40	3.43
Sep 2019	270229.10051066487	0.34	3.27
Oct 2019	271367.99462237913	0.42	3.40
Nov 2019	272513.5674069384	0.42	3.58
Dec 2019	274557.87796704605	0.75	4.23
Jan 2020	276741.8661349361	0.80	4.95
Feb 2020	278927.21099674114	0.79	5.49
Mar 2020	280748.4533489162	0.65	5.64
Apr 2020	282478.81200846843	0.62	5.84
May 2020	283463.5498929626	0.35	5.98
Jun 2020	283974.3165566867	0.18	6.07
Jul 2020	284701.4174745924	0.26	6.14
Aug 2020	287053.7743560592	0.83	6.59
Sep 2020	292053.6542708218	1.74	8.08
Oct 2020	298869.8181063079	2.33	10.14
Nov 2020	306903.9892313583	2.69	12.62
Dec 2020	314816.9754016719	2.58	14.66
Jan 2021	322786.13617087406	2.53	16.64
Feb 2021	330751.5497260774	2.47	18.58
Mar 2021	338585.79674482526	2.37	20.60
Apr 2021	347103.6984691328	2.52	22.88
May 2021	356231.8227769554	2.63	25.67
Jun 2021	365032.34978204407	2.47	28.54
Jul 2021	371577.98108874797	1.79	30.52
Aug 2021	374399.0042775879	0.76	30.43
Sep 2021	374048.65822461667	-0.09	28.08
Oct 2021	372564.6891425441	-0.40	24.66
Nov 2021	372725.12597481086	0.04	21.45
Dec 2021	375306.338739745	0.69	19.21
Jan 2022	382694.9922431311	1.97	18.56
Feb 2022	394015.4857863442	2.96	19.13
Mar 2022	408539.2575350649	3.69	20.66
Apr 2022	423086.30074353283	3.56	21.89
May 2022	435594.17427783407	2.96	22.28
Jun 2022	444381.9217605537	2.02	21.74
Jul 2022	447223.86622311507	0.64	20.36
Aug 2022	445747.97196289594	-0.33	19.06
Sep 2022	442311.33027440525	-0.77	18.25
Oct 2022	439972.10837005015	-0.53	18.09
Nov 2022	438809.63658390875	-0.26	17.73
Dec 2022	438019.26713323646	-0.18	16.71
Jan 2023	436402.3331489118	-0.37	14.03
Feb 2023	435399.3680516112	-0.23	10.50
Mar 2023	435667.83330120676	0.06	6.64
Apr 2023	438580.6807623822	0.67	3.66
May 2023	441856.18884073594	0.75	1.44
Jun 2023	445793.42613575375	0.89	0.32
Jul 2023	449972.600350453	0.94	0.62
Aug 2023	455263.8564784455	1.18	2.13
Sep 2023	460750.2142023947	1.21	4.17
Oct 2023	465098.637133631	0.94	5.71
Nov 2023	467718.68560436874	0.56	6.59
Dec 2023	469937.80196942063	0.47	7.29
Jan 2024	471170.68062927807	0.26	7.97
Feb 2024	472393.920202331	0.26	8.50
Mar 2024	473984.29974509374	0.34	8.80
Apr 2024	477397.7875714483	0.72	8.85
May 2024	481135.9068313837	0.78	8.89
Jun 2024	484637.3603594177	0.73	8.71
Jul 2024	487048.44034272333	0.50	8.24
Aug 2024	490583.4953985898	0.73	7.76
Sep 2024	494035.6710493437	0.70	7.22
Oct 2024	497809.76556723734	0.76	7.03
Nov 2024	500162.4816026468	0.47	6.94
Dec 2024	501207.8628716306	0.21	6.65
Jan 2025	500826.6696507122	-0.08	6.29
Feb 2025	499132.1891180438	-0.34	5.66
Mar 2025	497007.11640466395	-0.43	4.86
Apr 2025	496924.49321016594	-0.02	4.09
May 2025	499016.917543809	0.42	3.72
Jun 2025	501913.86506446707	0.58	3.57
Jul 2025	504370.41764220595	0.49	3.56
Aug 2025	505832.7553285581	0.29	3.11
Sep 2025	507570.8569292538	0.34	2.74
Oct 2025	508962.3400495285	0.27	2.24
Nov 2025	511225.1312156842	0.45	2.21
Dec 2025	513435.1376208944	0.43	2.44
Jan 2026	515609.4099282651	0.42	2.95
Feb 2026	516424.30058936874	0.16	3.46