Home › Castro/Upper Market › 18th St
3857 18th St
Condo, 2 bd, 2 ba, 1,563 sqft, built 1885
Today’s estimate uses 1,563 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
44 sales inside 0.35 mi since Apr 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
$2,138,000
$1,646,000estimated range$2,629,000
From 44 comps at a weighted median of $1,368 per sqft.
- Block
- 3585
- Lot
- 148
- Sales
- Oct 2025 to Oct 2026
- Prices adjusted to
- 2026-10-30
- Within
- 0.35 mi
- Sold since
- Apr 2025
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I'm interestedSale prices versus asking
Similarity-weighted median: 22.6% above final asking.
Middle half: 21.9% above asking to 42.7% above asking.
36 of 44 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 (44)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3456 16th St | 2026-10-13 | $2.08M | $1,695,000 | $380,000 above asking (22.4%) | $2.02M | $1,282 | 2bd 3ba 1,575sf | 0.26 mi | similar size, 2 bd, recent | ||
| 3665 17th St | 2026-09-21 | $2.21M | $1,495,000 | $713,900 above asking (47.8%) | $2.21M | $1,368 | 2bd 1ba 1,615sf | 0.16 mi | similar size, 2 bd, recent | ||
| 557 Dolores St | 2026-10-16 | $2.9M | $1,995,000 | $905,000 above asking (45.4%) | $2.82M | $1,804 | 3bd 2ba 1,564sf | 0.22 mi | similar size, recent | ||
| 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 | 0.11 mi | similar size, 2 bd, 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 | 0.31 mi | similar size, recent | ||
| 4054 18th St | 2026-03-20 | $350K | No asking price | — | $362K | $229 | 3bd 1ba 1,582sf | 0.25 mi | same street, similar size | ||
| 4052 18th St | 2026-06-24 | $1.43M | No asking price | — | $1.48M | $1,088 | 2bd 3ba 1,364sf | 0.25 mi | same street, 2 bd | ||
| 3472 16th St | 2026-05-29 | $1.98M | $1,388,000 | $592,000 above asking (42.7%) | $2.03M | $1,253 | 2bd 2ba 1,620sf | 0.26 mi | similar size, 2 bd | ||
| 46 Hancock St | 2026-06-18 | $1.96M | $1,595,000 | $360,000 above asking (22.6%) | $2.04M | $1,633 | 2bd 1ba 1,247sf | <0.05 mi | 2 bd | ||
| 3660 18th St | 2026-03-06 | $2.7M | $1,995,000 | $705,000 above asking (35.3%) | $2.79M | $1,727 | 3bd 2ba 1,615sf | 0.24 mi | same street, similar size | ||
| 3428 16th St | 2026-06-15 | $1.15M | $995,000 | $155,000 above asking (15.6%) | $1.2M | $840 | 3bd 1ba 1,426sf | 0.26 mi | similar size | ||
| 3652 17th St | 2026-07-07 | $1.65M | $1,349,000 | $301,000 above asking (22.3%) | $1.74M | $1,425 | 2bd 1ba 1,221sf | 0.19 mi | 2 bd | ||
| 43 Cumberland St | 2026-09-03 | $2.08M | No asking price | — | $2.08M | $1,501 | 2bd 2ba 1,382sf | 0.31 mi | 2 bd, recent | ||
| 359 Church St | 2026-02-26 | $1.7M | $1,389,000 | $311,000 above asking (22.4%) | $1.82M | $1,133 | 3bd 2ba 1,608sf | 0.30 mi | similar size | ||
| 321 Church St | 2026-05-19 | $2.3M | $1,695,000 | $605,000 above asking (35.7%) | $2.36M | $1,639 | 3bd 2ba 1,439sf | 0.34 mi | similar size | ||
| 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 | similar size | ||
| 736 Dolores St | 2026-06-08 | $1.8M | $1,295,000 | $505,000 above asking (39.0%) | $1.88M | $1,515 | 2bd 1ba 1,238sf | 0.30 mi | 2 bd | ||
| 3481 16th St | 2026-07-30 | $1.44M | $1,198,000 | $237,000 above asking (19.8%) | $1.51M | $1,275 | 3bd 1ba 1,187sf | 0.23 mi | |||
| 3396 16th St | 2026-05-26 | $1.15M | $995,000 | $155,000 above asking (15.6%) | $1.18M | $975 | 2bd 2ba 1,210sf | 0.27 mi | 2 bd | ||
| 189 Collingwood St | 2026-07-22 | $1.67M | No asking price | — | $1.76M | $1,335 | 2bd 2ba 1,321sf | 0.35 mi | 2 bd | ||
| 732 Guerrero St | 2026-04-06 | $1.38M | No asking price | — | $1.39M | $1,080 | 2bd 1ba 1,288sf | 0.33 mi | 2 bd | ||
| 3477 16th St | 2026-10-23 | $1.25M | $998,000 | $252,000 above asking (25.3%) | $1.22M | $1,203 | 2bd 1ba 1,011sf | 0.23 mi | 2 bd, recent | ||
| 266 Cumberland St | 2026-10-26 | $3.1M | $2,200,000 | $900,000 above asking (40.9%) | $3.02M | $1,291 | 5bd 3ba 2,336sf | 0.13 mi | recent | ||
| 340 Sanchez St | 2026-03-11 | $1.5M | $1,285,000 | $215,000 above asking (16.7%) | $1.55M | $1,397 | 2bd 1ba 1,109sf | 0.20 mi | 2 bd | ||
| 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 | 0.14 mi | 2 bd | ||
| 3881 20th St #3 | 2026-05-18 | $2.83M | $1,795,000 | $1,030,000 above asking (57.4%) | $2.9M | $1,896 | 3bd 2ba 1,528sf | 0.24 mi | similar size | ||
| 4038 18th St | 2025-12-03 | $1.75M | $1,799,000 cut from $1.95M | $49,000 below asking (2.7%) | $2.02M | $1,017 | 3bd 3ba 1,985sf | 0.23 mi | same street | ||
| 487 Sanchez St | 2026-04-14 | $1.05M | $929,000 | $121,000 above asking (13.0%) | $1.06M | $1,087 | 2bd 1ba 977sf | 0.06 mi | 2 bd | ||
| 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 | 0.23 mi | 2 bd | ||
| 22 Abbey St | 2026-02-23 | $2.92M | $2,325,000 | $600,000 above asking (25.8%) | $3.13M | $1,432 | 3bd 4ba 2,189sf | 0.21 mi | |||
| 3892 19th St | 2026-10-08 | $1.75M | $1,498,000 | $252,000 above asking (16.8%) | $1.7M | $1,838 | 2bd 2ba 926sf | 0.09 mi | 2 bd, recent | ||
| 615 Noe St #2 | 2026-06-23 | $1.4M | $1,400,000 | At asking | $1.46M | $1,301 | 2bd 1ba 1,121sf | 0.20 mi | 2 bd | ||
| 32 Pond St | 2026-05-22 | $1.35M | $1,249,000 | $106,000 above asking (8.5%) | $1.39M | $1,421 | 2bd 1ba 978sf | 0.25 mi | 2 bd | ||
| 620 Sanchez St | 2026-03-12 | $4.09M | No asking price | — | $4.22M | $2,346 | 3bd 2.5ba 1,800sf | 0.15 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 | 0.06 mi | 2 bd | ||
| 3390 16th St | 2026-07-14 | $1.25M | $1,098,000 | $152,000 above asking (13.8%) | $1.32M | $1,355 | 3bd 2ba 973sf | 0.27 mi | |||
| 3883 20th St | 2025-11-14 | $2.6M | $1,995,000 | $605,000 above asking (30.3%) | $2.94M | $1,499 | 4bd 3ba 1,963sf | 0.23 mi | |||
| 160 Hancock St APT 1 | 2026-03-16 | $2.5M | $2,150,000 | $350,000 above asking (16.3%) | $2.58M | $1,307 | 2bd 3ba 1,976sf | 0.13 mi | 2 bd | ||
| 85 Sharon St | 2026-06-08 | $880K | $899,000 | $19,000 below asking (2.1%) | $917K | $1,050 | 2bd 1ba 873sf | 0.27 mi | 2 bd | ||
| 33 Hancock St | 2025-12-18 | $1.76M | No asking price | — | $2.03M | $1,675 | 2bd 2ba 1,211sf | 0.06 mi | 2 bd | ||
| 29 Hancock St | 2025-10-28 | $1.73M | $1,495,000 | $233,000 above asking (15.6%) | $1.95M | $1,675 | 2bd 2ba 1,167sf | 0.06 mi | 2 bd | ||
| 3941 19th St | 2026-02-13 | $3.13M | No asking price | — | $3.35M | $1,557 | 3bd 2.5ba 2,154sf | 0.15 mi | |||
| 2238 Market St #407 | 2026-08-03 | $1.41M | $1,420,000 cut from $1.45M | $15,000 below asking (1.1%) | $1.46M | $1,279 | 2bd 2ba 1,142sf | 0.34 mi | 2 bd, recent | ||
| 2238 Market St #204 | 2026-02-27 | $1.35M | $1,345,000 | $5,000 above asking (0.4%) | $1.45M | $1,162 | 2bd 2ba 1,245sf | 0.34 mi | 2 bd |
This home's sale history
- 2023-11-30: $1,125,000 (price inferred from public records, medium confidence)