Home › Castro/Upper Market › Prosper St
40 Prosper St
Single-family home, 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.
30 sales inside 0.75 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
Low confidence
$1,594,000
From 30 comps at a weighted median of $1,742 per sqft.
- Block
- 3564
- Lot
- 040
- Sales
- Oct 2025 to Oct 2026
- Prices adjusted to
- 2026-10-30
- Within
- 0.75 mi
- Sold since
- Apr 2025
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I'm interestedSale prices versus asking
Similarity-weighted median: 27.1% above final asking.
Middle half: 22.2% above asking to 72.5% above asking.
19 of 30 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 (30)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1037 14th St | 2026-03-31 | $1.4M | No asking price | — | $1.45M | $1,464 | 2bd 1ba 993sf | 0.36 mi | similar size | ||
| 60 Eagle St | 2026-10-16 | $1.81M | $1,049,000 | $761,000 above asking (72.5%) | $1.73M | $1,742 | 1bd 1ba 996sf | 0.71 mi | similar size, recent | ||
| 188 Corbett Ave | 2026-08-14 | $852K | No asking price | — | $900K | $952 | 2bd 1ba 945sf | 0.60 mi | similar size, recent | ||
| 343 Cumberland St | 2026-09-03 | $3.17M | $1,995,000 | $1,180,000 above asking (59.1%) | $3.17M | $2,573 | 3bd 2ba 1,234sf | 0.36 mi | recent | ||
| 311 Cumberland St | 2026-07-15 | $1.92M | No asking price | — | $2.04M | $1,743 | 2bd 2ba 1,172sf | 0.35 mi | |||
| 4106 20th St | 2025-12-03 | $2.6M | $2,125,000 | $475,000 above asking (22.4%) | $3.08M | $2,930 | 4bd 3ba 1,050sf | 0.39 mi | |||
| 114 Fair Oaks St | 2026-06-05 | $290K | No asking price | — | $301K | $285 | 2bd 1ba 1,054sf | 0.74 mi | |||
| 3623 22nd St | 2026-05-06 | $1.1M | $995,000 | $105,000 above asking (10.6%) | $1.14M | $1,453 | 2bd 1ba 783sf | 0.66 mi | |||
| 4 Ord Ct | 2026-03-13 | $1.7M | $1,750,000 | $50,000 below asking (2.9%) | $1.77M | $1,509 | 2bd 2ba 1,170sf | 0.44 mi | |||
| 4555 19th St | 2026-06-18 | $1.85M | No asking price | — | $1.92M | $1,679 | 2bd 1ba 1,142sf | 0.56 mi | |||
| 541 Diamond St | 2026-05-22 | $3.05M | $2,495,000 | $555,000 above asking (22.2%) | $3.16M | $2,869 | 2bd 2ba 1,100sf | 0.72 mi | |||
| 3906 23rd St | 2026-05-11 | $2.5M | $1,295,000 | $1,205,000 above asking (93.1%) | $2.59M | $2,273 | 2bd 1ba 1,138sf | 0.72 mi | |||
| 327 Caselli Ave | 2026-02-12 | $1.9M | $1,495,000 | $405,000 above asking (27.1%) | $2.03M | $1,872 | 2bd 2ba 1,085sf | 0.74 mi | |||
| 145 Grand View Ave | 2026-07-17 | $3.1M | No asking price | — | $3.3M | $2,795 | 1ba 1,180sf | 0.69 mi | |||
| 701 Castro St | 2026-04-21 | $4.29M | No asking price | — | $4.4M | $3,026 | 2ba 1,453sf | 0.44 mi | |||
| 1550 Masonic Ave | 2026-06-12 | $3M | $1,995,000 | $1,005,000 above asking (50.4%) | $3.11M | $2,646 | 2bd 1ba 1,175sf | 0.68 mi | |||
| 761 Noe St | 2026-03-27 | $1.52M | $1,595,000 cut from $1.65M | $70,000 below asking (4.4%) | $1.58M | $1,263 | 2bd 1ba 1,254sf | 0.48 mi | |||
| 227 Roosevelt Way | 2026-09-11 | $2.25M | No asking price | — | $2.25M | $1,380 | 1ba 1,630sf | 0.46 mi | recent | ||
| 1008 Castro St | 2026-04-01 | $2.2M | $1,795,000 | $405,000 above asking (22.6%) | $2.25M | $1,957 | 2bd 1ba 1,152sf | 0.72 mi | |||
| 465 Liberty St | 2025-12-22 | $1.81M | $1,388,000 | $419,000 above asking (30.2%) | $2.14M | $1,665 | 2bd 2ba 1,284sf | 0.47 mi | |||
| 3775 16th St | 2025-10-29 | $2.42M | $1,995,000 | $425,000 above asking (21.3%) | $2.77M | $2,137 | 4bd 2ba 1,295sf | 0.27 mi | |||
| 278 Eureka St | 2026-01-02 | $2.52M | No asking price | — | $2.94M | $2,029 | 3bd 1ba 1,450sf | 0.54 mi | |||
| 4789 19th St | 2026-05-29 | $2.52M | $1,995,000 | $530,000 above asking (26.6%) | $2.61M | $1,786 | 2bd 2ba 1,463sf | 0.72 mi | |||
| 408 Roosevelt Way | 2026-06-10 | $3.48M | $2,098,000 | $1,377,000 above asking (65.6%) | $3.6M | $2,391 | 3bd 3ba 1,506sf | 0.64 mi | |||
| 4229 21st St | 2025-11-20 | $1.7M | $1,325,000 | $375,000 above asking (28.3%) | $1.98M | $3,168 | 2bd 1ba 625sf | 0.68 mi | |||
| 232 Clinton Park | 2026-03-30 | $3.02M | No asking price | — | $3.14M | $1,968 | 3bd 2.5ba 1,596sf | 0.52 mi | |||
| 522 Liberty St | 2025-11-26 | $2.1M | $2,195,000 | $95,000 below asking (4.3%) | $2.45M | $1,519 | 3bd 2ba 1,610sf | 0.45 mi | |||
| 359 Diamond St | 2026-02-04 | $2.23M | No asking price | — | $2.39M | $1,542 | 3bd 2ba 1,550sf | 0.55 mi | |||
| 135 Corbett Ave | 2026-05-07 | $2.6M | $1,950,000 | $650,000 above asking (33.3%) | $2.69M | $1,642 | 3bd 2ba 1,638sf | 0.54 mi | |||
| 4031 22nd St | 2025-10-31 | $2.53M | $1,495,000 | $1,038,000 above asking (69.4%) | $2.9M | $1,893 | 2bd 2ba 1,530sf | 0.71 mi |
This home's sale history
- 2024-10-09: $1,325,000 (price inferred from public records, high confidence)