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631 Castro St

Condo, 2 bd, 2 ba, 1,344 sqft, built 1910

Today’s estimate uses 1,344 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.

0.2 mi0.3 mi$1.48M$1.76M$2.20M$1.95M$2.03M$1.72M$2.04M$1.62M$1.46M$1.33M$2.60M$1.25M$1.46M$2.43M$1.23M$1.36M$1.70M$1.33M$1.97M$1.06M$2.36M$1.95M$1.88M$1.03M$2.01M$958K$1.34M$2.70M$1.95M$3.02M$1.21M$2.58M$3.35M$2.49M631 Castro StBlock 3602, Lot 14600.25 miN125 Eureka St: sold for $2,115,000 on 2026-10-19, 0.22 mi away4052 18th St: sold for $1,425,000 on 2026-06-24, 0.16 mi away627 Castro St: sold for $2,340,000 on 2026-10-14, under 0.05 mi away189 Collingwood St: sold for $1,672,000 on 2026-07-22, 0.08 mi away27 Ford St: sold for $2,200,000 on 2026-09-18, 0.27 mi away50 Collingwood St: sold for $2,000,000 on 2026-10-16, 0.22 mi away307 Castro St #2: sold for $1,950,000 on 2026-06-15, 0.35 mi away3868 21st St: sold for $1,665,000 on 2026-03-11, 0.17 mi away46 Hancock St: sold for $1,955,000 on 2026-06-18, 0.31 mi away150 Eureka St #101: sold for $720,000 on 2026-04-14, 0.24 mi away728 Castro St: sold for $1,600,500 on 2026-04-22, 0.13 mi away4416 19th St: sold for $1,900,000 on 2026-03-13, 0.23 mi away48 Caselli Ave: sold for $1,500,000 on 2026-10-16, 0.34 mi away4021 19th St: sold for $1,300,000 on 2026-05-15, 0.08 mi away3822 22nd St: sold for $2,500,000 on 2026-06-09, 0.29 mi away317 Douglass St: sold for $1,165,000 on 2026-02-03, 0.25 mi away615 Noe St #2: sold for $1,400,000 on 2026-06-23, 0.12 mi away618 Sanchez St: sold for $2,300,000 on 2026-07-17, 0.21 mi away4054 18th St: sold for $350,000 on 2026-03-20, 0.16 mi away4316 18th St: sold for $1,200,000 on 2026-05-21, 0.22 mi away143 Ord St: sold for $1,330,000 on 2026-05-05, 0.35 mi away3892 19th St: sold for $1,750,000 on 2026-10-08, 0.24 mi away4527 18th St: sold for $1,300,000 on 2026-05-11, 0.32 mi away39 Hartford St: sold for $1,705,000 on 2025-12-04, 0.22 mi away487 Sanchez St: sold for $1,050,000 on 2026-04-14, 0.29 mi away4150 17th St APT 22: sold for $2,300,000 on 2026-05-27, 0.35 mi away49 Seward St #1: sold for $1,725,000 on 2025-11-04, 0.33 mi away39 Hancock St: sold for $1,831,200 on 2026-05-08, 0.31 mi away77 Grand View Ave APT 301: sold for $980,000 on 2026-07-22, 0.35 mi away4150 17th St APT 2: sold for $1,934,000 on 2026-06-16, 0.34 mi away677 Castro St APT 3: sold for $920,000 on 2026-06-23, under 0.05 mi away60 States St: sold for $1,300,000 on 2026-03-27, 0.35 mi away212 Eureka St: sold for $1,255,000 on 2026-08-18, 0.21 mi away214 Eureka St: sold for $1,250,000 on 2026-02-25, 0.21 mi away65 Collingwood St APT 1: sold for $1,170,000 on 2025-11-14, 0.20 mi away4038 18th St: sold for $1,750,000 on 2025-12-03, 0.17 mi away33 Hancock St: sold for $1,759,000 on 2025-12-18, 0.31 mi away161 Collingwood St: sold for $2,050,000 on 2026-03-17, 0.12 mi away803 Castro St: sold for $2,600,000 on 2026-08-28, 0.20 mi away29 Hancock St: sold for $1,728,000 on 2025-10-28, 0.31 mi away620 Sanchez St: sold for $4,089,000 on 2026-03-12, 0.21 mi away266 Cumberland St: sold for $3,100,000 on 2026-10-26, 0.27 mi away2425 Market St APT 6: sold for $1,200,000 on 2026-04-17, 0.23 mi away160 Hancock St APT 1: sold for $2,500,000 on 2026-03-16, 0.18 mi away3941 19th St: sold for $3,130,000 on 2026-02-13, 0.18 mi away170 Corwin St: sold for $2,390,000 on 2026-06-08, 0.34 mi away0.35 mi0.2 mi$1.48M$2.20M$1.95M$2.03M$1.72M$1.62M$1.96M$1.33M$2.60M$1.25M$1.46M$1.97M$1.06M$2.36M$1.03M$2.01M$958K$1.34M$1.30M$2.02M$2.03M$2.70M$3.02M$2.49M631 Castro StBlock 3602, Lot 14600.25 miN125 Eureka St: sold for $2,115,000 on 2026-10-19, 0.22 mi away4052 18th St: sold for $1,425,000 on 2026-06-24, 0.16 mi away627 Castro St: sold for $2,340,000 on 2026-10-14, under 0.05 mi away189 Collingwood St: sold for $1,672,000 on 2026-07-22, 0.08 mi away27 Ford St: sold for $2,200,000 on 2026-09-18, 0.27 mi away50 Collingwood St: sold for $2,000,000 on 2026-10-16, 0.22 mi away307 Castro St #2: sold for $1,950,000 on 2026-06-15, 0.35 mi away3868 21st St: sold for $1,665,000 on 2026-03-11, 0.17 mi away46 Hancock St: sold for $1,955,000 on 2026-06-18, 0.31 mi away150 Eureka St #101: sold for $720,000 on 2026-04-14, 0.24 mi away728 Castro St: sold for $1,600,500 on 2026-04-22, 0.13 mi away4416 19th St: sold for $1,900,000 on 2026-03-13, 0.23 mi away48 Caselli Ave: sold for $1,500,000 on 2026-10-16, 0.34 mi away4021 19th St: sold for $1,300,000 on 2026-05-15, 0.08 mi away3822 22nd St: sold for $2,500,000 on 2026-06-09, 0.29 mi away317 Douglass St: sold for $1,165,000 on 2026-02-03, 0.25 mi away615 Noe St #2: sold for $1,400,000 on 2026-06-23, 0.12 mi away618 Sanchez St: sold for $2,300,000 on 2026-07-17, 0.21 mi away4054 18th St: sold for $350,000 on 2026-03-20, 0.16 mi away4316 18th St: sold for $1,200,000 on 2026-05-21, 0.22 mi away143 Ord St: sold for $1,330,000 on 2026-05-05, 0.35 mi away3892 19th St: sold for $1,750,000 on 2026-10-08, 0.24 mi away4527 18th St: sold for $1,300,000 on 2026-05-11, 0.32 mi away39 Hartford St: sold for $1,705,000 on 2025-12-04, 0.22 mi away487 Sanchez St: sold for $1,050,000 on 2026-04-14, 0.29 mi away4150 17th St APT 22: sold for $2,300,000 on 2026-05-27, 0.35 mi away49 Seward St #1: sold for $1,725,000 on 2025-11-04, 0.33 mi away39 Hancock St: sold for $1,831,200 on 2026-05-08, 0.31 mi away77 Grand View Ave APT 301: sold for $980,000 on 2026-07-22, 0.35 mi away4150 17th St APT 2: sold for $1,934,000 on 2026-06-16, 0.34 mi away677 Castro St APT 3: sold for $920,000 on 2026-06-23, under 0.05 mi away60 States St: sold for $1,300,000 on 2026-03-27, 0.35 mi away212 Eureka St: sold for $1,255,000 on 2026-08-18, 0.21 mi away214 Eureka St: sold for $1,250,000 on 2026-02-25, 0.21 mi away65 Collingwood St APT 1: sold for $1,170,000 on 2025-11-14, 0.20 mi away4038 18th St: sold for $1,750,000 on 2025-12-03, 0.17 mi away33 Hancock St: sold for $1,759,000 on 2025-12-18, 0.31 mi away161 Collingwood St: sold for $2,050,000 on 2026-03-17, 0.12 mi away803 Castro St: sold for $2,600,000 on 2026-08-28, 0.20 mi away29 Hancock St: sold for $1,728,000 on 2025-10-28, 0.31 mi away620 Sanchez St: sold for $4,089,000 on 2026-03-12, 0.21 mi away266 Cumberland St: sold for $3,100,000 on 2026-10-26, 0.27 mi away2425 Market St APT 6: sold for $1,200,000 on 2026-04-17, 0.23 mi away160 Hancock St APT 1: sold for $2,500,000 on 2026-03-16, 0.18 mi away3941 19th St: sold for $3,130,000 on 2026-02-13, 0.18 mi away170 Corwin St: sold for $2,390,000 on 2026-06-08, 0.34 mi away0.35 mi

46 sales inside 0.35 mi since Apr 2025. Click a sale on the map, or untick it below, to leave it out.

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Estimated sale price today

Medium confidence

$1,848,000

$1,423,000estimated range$2,274,000

From 45 comps at a weighted median of $1,375 per sqft.

Block
3602
Lot
146
Sales
Oct 2025 to Oct 2026
Prices adjusted to
2026-10-30
Within
0.35 mi
Sold since
Apr 2025

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Sale prices versus asking

Similarity-weighted median: 20.8% above final asking.

Middle half: 7.5% above asking to 24.8% above asking.

33 of 45 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 (46)

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
125 Eureka St2026-10-19$2.12M$1,695,000$420,000 above asking (24.8%)$2.06M$1,5242bd 2ba 1,350sf0.22 misimilar size, 2 bd, recent
4052 18th St2026-06-24$1.43MNo asking price—$1.48M$1,0882bd 3ba 1,364sf0.16 misimilar size, 2 bd
627 Castro St2026-10-14$2.34M$1,995,000$345,000 above asking (17.3%)$2.28M$1,3803bd 2ba 1,650sf<0.05 minearby on same street, recent
189 Collingwood St2026-07-22$1.67MNo asking price—$1.76M$1,3352bd 2ba 1,321sf0.08 misimilar size, 2 bd
27 Ford St2026-09-18$2.2M$1,795,000$405,000 above asking (22.6%)$2.2M$1,5462bd 2ba 1,423sf0.27 misimilar size, 2 bd, recent
50 Collingwood St2026-10-16$2M$1,599,000$401,000 above asking (25.1%)$1.95M$1,4432bd 2ba 1,348sf0.22 misimilar size, 2 bd, recent
307 Castro St #22026-06-15$1.95MNo asking price—$2.03M$1,5552bd 2ba 1,306sf0.35 misame street, similar size, 2 bd
3868 21st St2026-03-11$1.67M$1,395,000$270,000 above asking (19.4%)$1.72M$1,3223bd 2ba 1,301sf0.17 misimilar size
46 Hancock St2026-06-18$1.96M$1,595,000$360,000 above asking (22.6%)$2.04M$1,6332bd 1ba 1,247sf0.31 misimilar size, 2 bd
150 Eureka St #1012026-04-14$720KNo asking price—$728K—2bd 2ba0.24 mi2 bd, no size on record
728 Castro St2026-04-22$1.6M$1,325,000$275,500 above asking (20.8%)$1.62M$1,3752bd 2ba 1,177sf0.13 misame street, 2 bd
4416 19th St2026-03-13$1.9M$1,795,000$105,000 above asking (5.8%)$1.96M$1,3282bd 2ba 1,478sf0.23 misimilar size, 2 bd
48 Caselli Ave2026-10-16$1.5M$1,395,000$105,000 above asking (7.5%)$1.46M$1,2802bd 1ba 1,140sf0.34 mi2 bd, recent
4021 19th St2026-05-15$1.3M$1,279,500
cut from $1.35M
$20,500 above asking (1.6%)$1.33M$1,2462bd 2ba 1,070sf0.08 mi2 bd
3822 22nd St2026-06-09$2.5M$1,795,000$705,000 above asking (39.3%)$2.6M$2,1922bd 2ba 1,188sf0.29 mi2 bd
317 Douglass St2026-02-03$1.17MNo asking price—$1.25M$9543bd 1ba 1,309sf0.25 misimilar size
615 Noe St #22026-06-23$1.4M$1,400,000At asking$1.46M$1,3012bd 1ba 1,121sf0.12 mi2 bd
618 Sanchez St2026-07-17$2.3M$2,399,000$99,000 below asking (4.1%)$2.43M$1,8382bd 3ba 1,320sf0.21 misimilar size, 2 bd
4054 18th St2026-03-20$350KNo asking price—$362K$2293bd 1ba 1,582sf0.16 mi
4316 18th St2026-05-21$1.2M$1,188,000
cut from $1.2M
$12,000 above asking (1.0%)$1.23M$1,1972bd 1ba 1,028sf0.22 mi2 bd
143 Ord St2026-05-05$1.33M$1,295,000$35,000 above asking (2.7%)$1.36M$8252bd 1ba 1,653sf0.35 mi2 bd
3892 19th St2026-10-08$1.75M$1,498,000$252,000 above asking (16.8%)$1.7M$1,8382bd 2ba 926sf0.24 mi2 bd, recent
4527 18th St2026-05-11$1.3M$995,000$305,000 above asking (30.7%)$1.33M$1,2071bd 1ba 1,105sf0.32 mi
39 Hartford St2025-12-04$1.71M$1,399,000$306,000 above asking (21.9%)$1.97M$1,1903bd 2ba 1,652sf0.22 mi
487 Sanchez St2026-04-14$1.05M$929,000$121,000 above asking (13.0%)$1.06M$1,0872bd 1ba 977sf0.29 mi2 bd
4150 17th St APT 222026-05-27$2.3M$1,795,000$505,000 above asking (28.1%)$2.36M$1,6262bd 2ba 1,451sf0.35 misimilar size, 2 bd
49 Seward St #12025-11-04$1.73M$1,495,000$230,000 above asking (15.4%)$1.95M$1,3432bd 2ba 1,454sf0.33 misimilar size, 2 bd
39 Hancock St2026-05-08$1.83M$1,495,000$336,200 above asking (22.5%)$1.88M$1,5292bd 2ba 1,228sf0.31 misimilar size, 2 bd
77 Grand View Ave APT 3012026-07-22$980K$1,000,000
cut from $1.2M
$20,000 below asking (2.0%)$1.03M$9402bd 2ba 1,100sf0.35 mi2 bd
4150 17th St APT 22026-06-16$1.93MNo asking price—$2.01M$1,2792bd 2ba 1,575sf0.34 mi2 bd
677 Castro St APT 32026-06-23$920K$899,000$21,000 above asking (2.3%)$958K$1,2291bd 1ba 780sf<0.05 minearby on same street
60 States St2026-03-27$1.3MNo asking price—$1.34M$1,2332bd 1ba 1,089sf0.35 mi2 bd
212 Eureka St2026-08-18$1.25M$1,088,000$167,000 above asking (15.3%)$1.3M$1,7162bd 1ba 760sf0.21 mi2 bd, recent
214 Eureka St2026-02-25$1.25M$1,088,000$162,000 above asking (14.9%)$1.34M$1,6102bd 1ba 832sf0.21 mi2 bd
65 Collingwood St APT 12025-11-14$1.17M$1,059,000$111,000 above asking (10.5%)$1.32M$1,3792bd 1ba 960sf0.20 mi2 bd
4038 18th St2025-12-03$1.75M$1,799,000
cut from $1.95M
$49,000 below asking (2.7%)$2.02M$1,0173bd 3ba 1,985sf0.17 mi
33 Hancock St2025-12-18$1.76MNo asking price—$2.03M$1,6752bd 2ba 1,211sf0.31 mi2 bd
161 Collingwood St2026-03-17$2.05M$1,795,000$255,000 above asking (14.2%)$2.12M$1,3173bd 3ba 1,608sf0.12 mi
803 Castro St2026-08-28$2.6MNo asking price—$2.7M$1,1263bd 2ba 2,400sf0.20 misame street, recent
29 Hancock St2025-10-28$1.73M$1,495,000$233,000 above asking (15.6%)$1.95M$1,6752bd 2ba 1,167sf0.31 mi2 bd
620 Sanchez St2026-03-12$4.09MNo asking price—$4.22M$2,3463bd 2.5ba 1,800sf0.21 mi
266 Cumberland St2026-10-26$3.1M$2,200,000$900,000 above asking (40.9%)$3.02M$1,2915bd 3ba 2,336sf0.27 mirecent
2425 Market St APT 62026-04-17$1.2M$995,000$205,000 above asking (20.6%)$1.21M$1,4162bd 1ba 857sf0.23 mi2 bd
160 Hancock St APT 12026-03-16$2.5M$2,150,000$350,000 above asking (16.3%)$2.58M$1,3072bd 3ba 1,976sf0.18 mi2 bd
3941 19th St2026-02-13$3.13MNo asking price—$3.35M$1,5573bd 2.5ba 2,154sf0.18 mi
170 Corwin St2026-06-08$2.39MUnclear—$2.49M$1,1274bd 2ba 2,210sf0.34 mi