Home › Castro/Upper Market › 18th St
4438 18th St
Condo, 2 bd, 1 ba, 915 sqft, built 1900
Today’s estimate uses 915 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
$1,188,000
From 38 comps at a weighted median of $1,298 per sqft.
- Block
- 2650
- Lot
- 073
- 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: 14.9% above final asking.
Middle half: 7.5% above asking to 23.3% above asking.
28 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 150 Eureka St #101 | 2026-04-14 | $720K | No asking price | — | $728K | — | 2bd 2ba | 0.07 mi | 2 bd, no size on record | ||
| 136 Saturn St | 2026-04-13 | $1.48M | $1,175,000 | $305,000 above asking (26.0%) | $1.5M | $1,632 | 2bd 1ba 917sf | 0.28 mi | similar size, 2 bd | ||
| 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 | 0.08 mi | same street, 2 bd | ||
| 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 | 0.10 mi | 2 bd, recent | ||
| 3043 Market St | 2026-09-15 | $852K | No asking price | — | $852K | $759 | 2bd 1ba 1,122sf | 0.16 mi | 2 bd, recent | ||
| 212 Eureka St | 2026-08-18 | $1.25M | $1,088,000 | $167,000 above asking (15.3%) | $1.3M | $1,716 | 2bd 1ba 760sf | 0.15 mi | 2 bd, recent | ||
| 214 Eureka St | 2026-02-25 | $1.25M | $1,088,000 | $162,000 above asking (14.9%) | $1.34M | $1,610 | 2bd 1ba 832sf | 0.15 mi | similar size, 2 bd | ||
| 39 Douglass St | 2026-05-18 | $1.25M | $1,045,000 | $205,000 above asking (19.6%) | $1.28M | $1,196 | 2bd 1ba 1,072sf | 0.15 mi | 2 bd | ||
| 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 | 0.07 mi | 2 bd, recent | ||
| 4527 18th St | 2026-05-11 | $1.3M | $995,000 | $305,000 above asking (30.7%) | $1.33M | $1,207 | 1bd 1ba 1,105sf | 0.06 mi | same street | ||
| 146 Beaver St | 2026-05-13 | $1.23M | $1,095,000 | $130,000 above asking (11.9%) | $1.26M | $1,404 | 1bd 1ba 895sf | 0.33 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 | 0.32 mi | similar size, 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 | 0.34 mi | 2 bd | ||
| 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 | 0.18 mi | similar size, 2 bd | ||
| 677 Castro St APT 3 | 2026-06-23 | $920K | $899,000 | $21,000 above asking (2.3%) | $958K | $1,229 | 1bd 1ba 780sf | 0.31 mi | |||
| 609 Castro St APT B | 2026-06-08 | $904K | $849,000 | $54,500 above asking (6.4%) | $941K | $1,298 | 1bd 1ba 725sf | 0.27 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 | 0.20 mi | similar size, 2 bd | ||
| 307 Castro St #2 | 2026-06-15 | $1.95M | No asking price | — | $2.03M | $1,555 | 2bd 2ba 1,306sf | 0.30 mi | 2 bd | ||
| 4052 18th St | 2026-06-24 | $1.43M | No asking price | — | $1.48M | $1,088 | 2bd 3ba 1,364sf | 0.27 mi | same street, 2 bd | ||
| 138 Saturn St | 2026-07-22 | $1.8M | No asking price | — | $1.9M | $1,411 | 3bd 2ba 1,346sf | 0.28 mi | |||
| 60 States St | 2026-03-27 | $1.3M | No asking price | — | $1.34M | $1,233 | 2bd 1ba 1,089sf | 0.23 mi | 2 bd | ||
| 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 | 0.28 mi | 2 bd | ||
| 50 Collingwood St | 2026-10-16 | $2M | $1,599,000 | $401,000 above asking (25.1%) | $1.95M | $1,443 | 2bd 2ba 1,348sf | 0.15 mi | 2 bd, recent | ||
| 317 Douglass St | 2026-02-03 | $1.17M | No asking price | — | $1.25M | $954 | 3bd 1ba 1,309sf | 0.15 mi | |||
| 189 Collingwood St | 2026-07-22 | $1.67M | No asking price | — | $1.76M | $1,335 | 2bd 2ba 1,321sf | 0.21 mi | 2 bd | ||
| 119 Corwin St APT 3 | 2026-06-24 | $990K | $899,000 | $91,000 above asking (10.1%) | $1.03M | $1,477 | 2bd 1ba 698sf | 0.26 mi | 2 bd | ||
| 222 States St | 2026-03-26 | $2.1M | $1,795,000 | $310,000 above asking (17.3%) | $2.17M | $1,554 | 2bd 2ba 1,399sf | 0.24 mi | 2 bd | ||
| 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 | 0.11 mi | 2 bd | ||
| 40 Levant St | 2026-06-29 | $1.82M | $1,595,000 | $230,000 above asking (14.4%) | $1.9M | $1,518 | 3bd 2ba 1,252sf | 0.31 mi | |||
| 4054 18th St | 2026-03-20 | $350K | No asking price | — | $362K | $229 | 3bd 1ba 1,582sf | 0.28 mi | same street | ||
| 305 Castro St #100 | 2026-04-08 | $1.47M | No asking price | — | $1.49M | $1,233 | 1,206sf | 0.31 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 | 0.14 mi | 2 bd | ||
| 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 | 0.19 mi | 2 bd | ||
| 4150 17th St APT 2 | 2026-06-16 | $1.93M | No asking price | — | $2.01M | $1,279 | 2bd 2ba 1,575sf | 0.12 mi | 2 bd | ||
| 60 Danvers St | 2026-06-18 | $1.75M | $1,699,000 | $51,000 above asking (3.0%) | $1.82M | $1,148 | 3bd 2ba 1,588sf | 0.26 mi | |||
| 227 States St | 2026-06-16 | $2.5M | $1,995,000 | $505,000 above asking (25.3%) | $2.6M | $1,583 | 2bd 3ba 1,645sf | 0.22 mi | 2 bd | ||
| 4322 17th St #A | 2026-01-28 | $1.82M | $1,549,000 | $271,000 above asking (17.5%) | $2.09M | $1,313 | 3bd 3ba 1,589sf | 0.15 mi | |||
| 30 Flint St | 2025-11-14 | $1.73M | $1,695,000 cut from $1.75M | $30,000 above asking (1.8%) | $1.95M | $1,220 | 3bd 2ba 1,600sf | 0.29 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 | 0.17 mi |