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31 21st Av

Single-family home, 1 ba, 864 sqft, built 1900

Today’s estimate uses 864 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.

0.5 mi1 mi$2.43M$2.00M$1.48M$3.16M$1.52M$2.08M$1.18M$1.39M$1.84M$1.68M$1.90M$1.50M$1.92M$1.61M$1.44M$1.70M$1.95M31 21st AvBlock 1337, Lot 00400.5 miN548 22nd Ave: sold for $1,675,000 on 2026-09-18, 0.64 mi away170 17th Ave: sold for $2,350,000 on 2026-05-05, 0.30 mi away576 27th Ave: sold for $4,800,000 on 2026-04-24, 0.63 mi away627 22nd Ave: sold for $1,825,000 on 2026-09-28, 0.75 mi away615 23rd Ave: sold for $1,150,000 on 2026-07-06, 0.74 mi away427 23rd Ave: sold for $2,000,000 on 2026-09-22, 0.50 mi away563 23rd Ave: sold for $1,838,000 on 2026-10-05, 0.67 mi away691 32nd Ave: sold for $1,400,000 on 2026-08-07, 0.94 mi away246 El Camino Del Mar: sold for $3,050,000 on 2026-06-17, 0.27 mi away574 20th Ave: sold for $2,380,000 on 2026-10-22, 0.68 mi away507 17th Av #509: sold for $2,100,000 on 2024-10-09, 0.64 mi away621 25th Ave: sold for $2,020,000 on 2026-05-07, 0.66 mi away686 22nd Ave: sold for $1,760,000 on 2026-10-05, 0.82 mi away859 24th Ave: sold for $1,000,000 on 2026-08-07, 0.93 mi away522 35th Ave: sold for $1,588,800 on 2026-10-22, 0.93 mi away811 Balboa St: sold for $2,010,000 on 2026-06-01, 1.01 mi away652 27th Av: sold for $1,028,000 on 2024-12-03, 0.72 mi away619 23rd Av: sold for $1,420,000 on 2024-12-13, 0.74 mi away586 39th Ave: sold for $770,411 on 2026-04-30, 1.16 mi away1532 Cabrillo St: sold for $1,010,000 on 2025-11-03, 0.87 mi away683 29th Ave: sold for $1,530,000 on 2026-03-12, 0.83 mi away570 44th Ave: sold for $1,300,000 on 2026-02-06, 1.42 mi away355 11th Av: sold for $1,615,000 on 2024-12-09, 0.70 mi away727 43rd Ave: sold for $1,675,000 on 2026-09-14, 1.48 mi away4126 Fulton Street: sold for $1,825,000 on 2026-03-31, 0.97 mi away610 23rd Av: sold for $1,607,000 on 2024-07-01, 0.73 mi away652 04th Av: sold for $1,400,000 on 2024-10-04, 1.30 mi away826 38th Ave: sold for $1,870,000 on 2026-06-02, 1.30 mi away862 28th Ave: sold for $1,650,000 on 2026-01-09, 0.99 mi away8122 Geary Blvd: sold for $1,400,000 on 2025-12-04, 1.48 mi away622 44th Ave: sold for $1,765,000 on 2025-11-04, 1.45 mi away579 23rd Av: sold for $1,630,000 on 2024-06-10, 0.69 mi away782 15th Av: sold for $990,000 on 2024-05-16, 1.02 mi away715 36th Av: sold for $1,610,000 on 2024-08-12, 1.14 mi away85 Rossi Ave: sold for $1,550,000 on 2026-06-01, 1.49 mi away746 18th Av: sold for $1,500,000 on 2024-06-12, 0.93 mi away583 41st Av: sold for $1,520,000 on 2024-10-10, 1.29 mi away419 42nd Av: sold for $1,275,000 on 2024-08-16, 1.28 mi away420 41st Av: sold for $1,500,000 on 2024-08-13, 1.19 mi away886 39th Av: sold for $1,750,000 on 2024-07-22, 1.39 mi away1.5 mi1 mi$2.43M$2.00M$3.16M$1.52M$2.08M$1.84M$1.50M$1.92M$1.66M$2.06M$1.61M$1.95M31 21st AvBlock 1337, Lot 00401 miN548 22nd Ave: sold for $1,675,000 on 2026-09-18, 0.64 mi away170 17th Ave: sold for $2,350,000 on 2026-05-05, 0.30 mi away576 27th Ave: sold for $4,800,000 on 2026-04-24, 0.63 mi away627 22nd Ave: sold for $1,825,000 on 2026-09-28, 0.75 mi away615 23rd Ave: sold for $1,150,000 on 2026-07-06, 0.74 mi away427 23rd Ave: sold for $2,000,000 on 2026-09-22, 0.50 mi away563 23rd Ave: sold for $1,838,000 on 2026-10-05, 0.67 mi away691 32nd Ave: sold for $1,400,000 on 2026-08-07, 0.94 mi away246 El Camino Del Mar: sold for $3,050,000 on 2026-06-17, 0.27 mi away574 20th Ave: sold for $2,380,000 on 2026-10-22, 0.68 mi away507 17th Av #509: sold for $2,100,000 on 2024-10-09, 0.64 mi away621 25th Ave: sold for $2,020,000 on 2026-05-07, 0.66 mi away686 22nd Ave: sold for $1,760,000 on 2026-10-05, 0.82 mi away859 24th Ave: sold for $1,000,000 on 2026-08-07, 0.93 mi away522 35th Ave: sold for $1,588,800 on 2026-10-22, 0.93 mi away811 Balboa St: sold for $2,010,000 on 2026-06-01, 1.01 mi away652 27th Av: sold for $1,028,000 on 2024-12-03, 0.72 mi away619 23rd Av: sold for $1,420,000 on 2024-12-13, 0.74 mi away586 39th Ave: sold for $770,411 on 2026-04-30, 1.16 mi away1532 Cabrillo St: sold for $1,010,000 on 2025-11-03, 0.87 mi away683 29th Ave: sold for $1,530,000 on 2026-03-12, 0.83 mi away570 44th Ave: sold for $1,300,000 on 2026-02-06, 1.42 mi away355 11th Av: sold for $1,615,000 on 2024-12-09, 0.70 mi away727 43rd Ave: sold for $1,675,000 on 2026-09-14, 1.48 mi away4126 Fulton Street: sold for $1,825,000 on 2026-03-31, 0.97 mi away610 23rd Av: sold for $1,607,000 on 2024-07-01, 0.73 mi away652 04th Av: sold for $1,400,000 on 2024-10-04, 1.30 mi away826 38th Ave: sold for $1,870,000 on 2026-06-02, 1.30 mi away862 28th Ave: sold for $1,650,000 on 2026-01-09, 0.99 mi away8122 Geary Blvd: sold for $1,400,000 on 2025-12-04, 1.48 mi away622 44th Ave: sold for $1,765,000 on 2025-11-04, 1.45 mi away579 23rd Av: sold for $1,630,000 on 2024-06-10, 0.69 mi away782 15th Av: sold for $990,000 on 2024-05-16, 1.02 mi away715 36th Av: sold for $1,610,000 on 2024-08-12, 1.14 mi away85 Rossi Ave: sold for $1,550,000 on 2026-06-01, 1.49 mi away746 18th Av: sold for $1,500,000 on 2024-06-12, 0.93 mi away583 41st Av: sold for $1,520,000 on 2024-10-10, 1.29 mi away419 42nd Av: sold for $1,275,000 on 2024-08-16, 1.28 mi away420 41st Av: sold for $1,500,000 on 2024-08-13, 1.19 mi away886 39th Av: sold for $1,750,000 on 2024-07-22, 1.39 mi away1.5 mi

40 sales inside 1.5 mi since May 2024. Click a sale on the map, or untick it below, to leave it out.

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Estimated sale price today

Low confidence

$1,368,000

$889,000estimated range$1,847,000

From 39 comps at a weighted median of $1,583 per sqft.

Block
1337
Lot
004
Sales
May 2024 to Oct 2026
Prices adjusted to
2026-11-01
Within
1.5 mi
Sold since
May 2024

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Sale prices versus asking

Similarity-weighted median: 68.5% above final asking.

Middle half: 40.1% above asking to 69.2% above asking.

20 of 39 selected comps have a verified final asking price.

Comparisons use the final advertised asking price from the same sale, before pending or closing.

Comparable sales (40)

Every sale inside the circle starts ticked. Untick one here, or click it on the map, to leave it out. Closer, more similar sales weigh more.

AddressSoldPriceFinal askingSale vs. askingAdj. today$/sqftSizeDist.WhyMatch
548 22nd Ave2026-09-18$1.68M$990,000$685,000 above asking (69.2%)$1.68M$1,5832bd 2ba 1,058sf0.64 mirecent
170 17th Ave2026-05-05$2.35M$1,395,000$955,000 above asking (68.5%)$2.43M$2,0263bd 3ba 1,200sf0.30 mi
576 27th Ave2026-04-24$4.8M$2,495,000$2,305,000 above asking (92.4%)$4.92M$6,5593bd 1ba 750sf0.63 mi
627 22nd Ave2026-09-28$1.82M$1,095,000$730,000 above asking (66.7%)$1.82M$1,6982bd 1ba 1,075sf0.75 mirecent
615 23rd Ave2026-07-06$1.15MNo asking price—$1.22M$1,1281ba 1,085sf0.74 mi
427 23rd Ave2026-09-22$2M$1,595,000$405,000 above asking (25.4%)$2M$1,4103bd 2ba 1,418sf0.50 mirecent
563 23rd Ave2026-10-05$1.84M$1,888,888$50,888 below asking (2.7%)$1.76M$1,2684bd 3ba 1,389sf0.67 mirecent
691 32nd Ave2026-08-07$1.4M$999,000$401,000 above asking (40.1%)$1.48M$1,4092bd 1ba 1,050sf0.94 mirecent
246 El Camino Del Mar2026-06-17$3.05M$2,395,000$655,000 above asking (27.3%)$3.16M$2,0663bd 2ba 1,530sf0.27 mi
574 20th Ave2026-10-22$2.38M$1,495,000$885,000 above asking (59.2%)$2.28M$1,6593bd 1ba 1,375sf0.68 mirecent
507 17th Av #509
Price inferred from public records
2024-10-09$2.1M——$2.25M—0.64 mino size on record
621 25th Ave2026-05-07$2.02M$1,298,000$722,000 above asking (55.6%)$2.09M$1,5112bd 1ba 1,383sf0.66 mi
686 22nd Ave2026-10-05$1.76M$1,295,000$465,000 above asking (35.9%)$1.69M$1,1213bd 1ba 1,505sf0.82 mirecent
859 24th Ave2026-08-07$1M$1,295,000$295,000 below asking (22.8%)$1.06M$7653bd 3ba 1,381sf0.93 mirecent
522 35th Ave2026-10-22$1.59M$998,000$590,800 above asking (59.2%)$1.52M$1,0043bd 2ba 1,516sf0.93 mirecent
811 Balboa St2026-06-01$2.01M$1,699,000$311,000 above asking (18.3%)$2.08M$1,5103bd 2ba 1,380sf1.01 mi
652 27th Av
Price inferred from public records
2024-12-03$1.03M——$1.17M$1,1131ba 1,050sf0.72 mi
619 23rd Av
Price inferred from public records
2024-12-13$1.42M——$1.61M$1,4872bd 1ba 1,085sf0.74 mi
586 39th Ave2026-04-30$770KNo asking price—$790K$6194bd 2ba 1,275sf1.16 mi
1532 Cabrillo St2025-11-03$1.01M$999,000$11,000 above asking (1.1%)$1.18M$9492bd 1ba 1,240sf0.87 mi
683 29th Ave2026-03-12$1.53MNo asking price—$1.59M$1,1354bd 2ba 1,400sf0.83 mi
570 44th Ave2026-02-06$1.3MNo asking price—$1.39M$1,2642bd 1ba 1,100sf1.42 mi
355 11th Av
Price inferred from public records
2024-12-09$1.61M——$1.84M$1,3993bd 1ba 1,312sf0.70 mi
727 43rd Ave2026-09-14$1.68M$998,000$677,000 above asking (67.8%)$1.68M$1,2902bd 1ba 1,298sf1.48 mirecent
4126 Fulton Street2026-03-31$1.82M$1,395,000$430,000 above asking (30.8%)$1.9M$1,2862bd 1ba 1,474sf0.97 mi
610 23rd Av
Price inferred from public records
2024-07-01$1.61M——$1.79M$1,4932ba 1,200sf0.73 mi
652 04th Av
Price inferred from public records
2024-10-04$1.4M——$1.5M$1,4792bd 1ba 1,015sf1.30 mi
826 38th Ave2026-06-02$1.87M$1,150,000$720,000 above asking (62.6%)$1.94M$1,3412bd 1ba 1,445sf1.30 mi
862 28th Ave2026-01-09$1.65MNo asking price—$1.92M$1,2821ba 1,500sf0.99 mi
8122 Geary Blvd2025-12-04$1.4M$899,000$501,000 above asking (55.7%)$1.66M$1,3047bd 6ba 1,270sf1.48 mi
622 44th Ave2025-11-04$1.76M$1,400,000$365,000 above asking (26.1%)$2.06M$1,5872bd 3ba 1,295sf1.45 mi
579 23rd Av
Price inferred from public records
2024-06-10$1.63M——$1.76M$1,2962bd 2ba 1,360sf0.69 mi
782 15th Av
Price inferred from public records
2024-05-16$990K——$1.06M$9031bd 2ba 1,170sf1.02 mi
715 36th Av
Price inferred from public records
2024-08-12$1.61M——$1.82M$1,5512bd 1ba 1,175sf1.14 mi
85 Rossi Ave2026-06-01$1.55MNo asking price—$1.61M$1,0711ba 1,500sf1.49 mi
746 18th Av
Price inferred from public records
2024-06-12$1.5M——$1.62M$1,2591ba 1,288sf0.93 mi
583 41st Av
Price inferred from public records
2024-10-10$1.52M——$1.63M$1,2533bd 3ba 1,301sf1.29 mi
419 42nd Av
Price inferred from public records
2024-08-16$1.27M——$1.44M$1,0312bd 1ba 1,400sf1.28 mi
420 41st Av
Price inferred from public records
2024-08-13$1.5M——$1.7M$1,1292bd 1ba 1,505sf1.19 mi
886 39th Av
Price inferred from public records
2024-07-22$1.75M——$1.95M$1,2553bd 2ba 1,554sf1.39 mi