Home › Castro/Upper Market › Castro St
636 Castro St
Condo, 1 ba, 1,043 sqft, built 1900
Today’s estimate uses 1,043 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
39 sales inside 0.35 mi since May 2025. Click a sale on the map, or untick it below, to leave it out.
Drag the circle or this strip to change the searchEstimated sale price today
Medium confidence
$1,357,000
From 38 comps at a weighted median of $1,301 per sqft.
- Block
- 2696
- Lot
- 065
- Sales
- Nov 2025 to Oct 2026
- Prices adjusted to
- 2026-10-31
- Within
- 0.35 mi
- Sold since
- May 2025
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I'm interestedSale prices versus asking
Similarity-weighted median: 13.0% above final asking.
Middle half: 1.6% above asking to 20.8% above asking.
31 of 38 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 (39)
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.
| Address | Sold | Price | Final asking | Sale vs. asking | Adj. today | $/sqft | Size | Dist. | Why | Match | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4021 19th St | 2026-05-15 | $1.3M | $1,279,500 cut from $1.35M | $20,500 above asking (1.6%) | $1.33M | $1,246 | 2bd 2ba 1,070sf | 0.12 mi | similar size | ||
| 4316 18th St | 2026-05-21 | $1.2M | $1,188,000 cut from $1.2M | $12,000 above asking (1.0%) | $1.23M | $1,197 | 2bd 1ba 1,028sf | 0.21 mi | similar size | ||
| 48 Caselli Ave | 2026-10-16 | $1.5M | $1,395,000 | $105,000 above asking (7.5%) | $1.46M | $1,280 | 2bd 1ba 1,140sf | 0.30 mi | similar size, recent | ||
| 728 Castro St | 2026-04-22 | $1.6M | $1,325,000 | $275,500 above asking (20.8%) | $1.62M | $1,375 | 2bd 2ba 1,177sf | 0.12 mi | same street | ||
| 150 Eureka St #101 | 2026-04-14 | $720K | No asking price | — | $728K | — | 2bd 2ba | 0.20 mi | no size on record | ||
| 3892 19th St | 2026-10-08 | $1.75M | $1,498,000 | $252,000 above asking (16.8%) | $1.7M | $1,838 | 2bd 2ba 926sf | 0.29 mi | recent | ||
| 487 Sanchez St | 2026-04-14 | $1.05M | $929,000 | $121,000 above asking (13.0%) | $1.06M | $1,087 | 2bd 1ba 977sf | 0.33 mi | similar size | ||
| 125 Eureka St | 2026-10-19 | $2.12M | $1,695,000 | $420,000 above asking (24.8%) | $2.06M | $1,524 | 2bd 2ba 1,350sf | 0.19 mi | recent | ||
| 3822 22nd St | 2026-06-09 | $2.5M | $1,795,000 | $705,000 above asking (39.3%) | $2.6M | $2,192 | 2bd 2ba 1,188sf | 0.28 mi | |||
| 4527 18th St | 2026-05-11 | $1.3M | $995,000 | $305,000 above asking (30.7%) | $1.33M | $1,207 | 1bd 1ba 1,105sf | 0.29 mi | similar size | ||
| 126 Romain St | 2026-06-30 | $1.35M | $1,095,000 | $255,000 above asking (23.3%) | $1.41M | $1,392 | 2bd 1ba 1,010sf | 0.34 mi | similar size | ||
| 615 Noe St #2 | 2026-06-23 | $1.4M | $1,400,000 | At asking | $1.46M | $1,301 | 2bd 1ba 1,121sf | 0.16 mi | similar size | ||
| 677 Castro St APT 3 | 2026-06-23 | $920K | $899,000 | $21,000 above asking (2.3%) | $958K | $1,229 | 1bd 1ba 780sf | <0.05 mi | nearby on same street | ||
| 4052 18th St | 2026-06-24 | $1.43M | No asking price | — | $1.48M | $1,088 | 2bd 3ba 1,364sf | 0.18 mi | |||
| 189 Collingwood St | 2026-07-22 | $1.67M | No asking price | — | $1.76M | $1,335 | 2bd 2ba 1,321sf | 0.07 mi | |||
| 212 Eureka St | 2026-08-18 | $1.25M | $1,088,000 | $167,000 above asking (15.3%) | $1.3M | $1,716 | 2bd 1ba 760sf | 0.17 mi | recent | ||
| 627 Castro St | 2026-10-14 | $2.34M | $1,995,000 | $345,000 above asking (17.3%) | $2.28M | $1,380 | 3bd 2ba 1,650sf | <0.05 mi | nearby on same street, recent | ||
| 609 Castro St APT B | 2026-06-08 | $904K | $849,000 | $54,500 above asking (6.4%) | $941K | $1,298 | 1bd 1ba 725sf | <0.05 mi | nearby on same street | ||
| 3868 21st St | 2026-03-11 | $1.67M | $1,395,000 | $270,000 above asking (19.4%) | $1.72M | $1,322 | 3bd 2ba 1,301sf | 0.17 mi | |||
| 214 Eureka St | 2026-02-25 | $1.25M | $1,088,000 | $162,000 above asking (14.9%) | $1.34M | $1,610 | 2bd 1ba 832sf | 0.17 mi | |||
| 27 Ford St | 2026-09-18 | $2.2M | $1,795,000 | $405,000 above asking (22.6%) | $2.2M | $1,546 | 2bd 2ba 1,423sf | 0.31 mi | recent | ||
| 317 Douglass St | 2026-02-03 | $1.17M | No asking price | — | $1.25M | $954 | 3bd 1ba 1,309sf | 0.21 mi | |||
| 77 Grand View Ave APT 301 | 2026-07-22 | $980K | $1,000,000 cut from $1.2M | $20,000 below asking (2.0%) | $1.03M | $940 | 2bd 2ba 1,100sf | 0.30 mi | similar size | ||
| 65 Collingwood St APT 1 | 2025-11-14 | $1.17M | $1,059,000 | $111,000 above asking (10.5%) | $1.32M | $1,379 | 2bd 1ba 960sf | 0.20 mi | similar size | ||
| 50 Collingwood St | 2026-10-16 | $2M | $1,599,000 | $401,000 above asking (25.1%) | $1.95M | $1,443 | 2bd 2ba 1,348sf | 0.22 mi | recent | ||
| 60 States St | 2026-03-27 | $1.3M | No asking price | — | $1.34M | $1,233 | 2bd 1ba 1,089sf | 0.35 mi | similar size | ||
| 4416 19th St | 2026-03-13 | $1.9M | $1,795,000 | $105,000 above asking (5.8%) | $1.96M | $1,328 | 2bd 2ba 1,478sf | 0.19 mi | |||
| 4054 18th St | 2026-03-20 | $350K | No asking price | — | $362K | $229 | 3bd 1ba 1,582sf | 0.19 mi | |||
| 2425 Market St APT 6 | 2026-04-17 | $1.2M | $995,000 | $205,000 above asking (20.6%) | $1.21M | $1,416 | 2bd 1ba 857sf | 0.24 mi | |||
| 618 Sanchez St | 2026-07-17 | $2.3M | $2,399,000 | $99,000 below asking (4.1%) | $2.43M | $1,838 | 2bd 3ba 1,320sf | 0.25 mi | |||
| 143 Ord St | 2026-05-05 | $1.33M | $1,295,000 | $35,000 above asking (2.7%) | $1.36M | $825 | 2bd 1ba 1,653sf | 0.32 mi | |||
| 39 Hancock St | 2026-05-08 | $1.83M | $1,495,000 | $336,200 above asking (22.5%) | $1.88M | $1,529 | 2bd 2ba 1,228sf | 0.35 mi | |||
| 39 Hartford St | 2025-12-04 | $1.71M | $1,399,000 | $306,000 above asking (21.9%) | $1.97M | $1,190 | 3bd 2ba 1,652sf | 0.24 mi | |||
| 119 Corwin St APT 3 | 2026-06-24 | $990K | $899,000 | $91,000 above asking (10.1%) | $1.03M | $1,477 | 2bd 1ba 698sf | 0.31 mi | |||
| 49 Seward St #1 | 2025-11-04 | $1.73M | $1,495,000 | $230,000 above asking (15.4%) | $1.95M | $1,343 | 2bd 2ba 1,454sf | 0.29 mi | |||
| 4150 17th St APT 22 | 2026-05-27 | $2.3M | $1,795,000 | $505,000 above asking (28.1%) | $2.36M | $1,626 | 2bd 2ba 1,451sf | 0.34 mi | |||
| 4150 17th St APT 2 | 2026-06-16 | $1.93M | No asking price | — | $2.01M | $1,279 | 2bd 2ba 1,575sf | 0.32 mi | |||
| 161 Collingwood St | 2026-03-17 | $2.05M | $1,795,000 | $255,000 above asking (14.2%) | $2.12M | $1,317 | 3bd 3ba 1,608sf | 0.11 mi | |||
| 620 Sanchez St | 2026-03-12 | $4.09M | No asking price | — | $4.22M | $2,346 | 3bd 2.5ba 1,800sf | 0.25 mi |