Home › Castro/Upper Market › 21st St
4036 21st St
Single-family home, 1 ba, 1,375 sqft, built 1940
Today’s estimate uses 1,375 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
Low confidence
$2,603,000
From 39 comps at a weighted median of $1,893 per sqft.
- Block
- 2751
- Lot
- 007B
- Sales
- Oct 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: 22.6% above final asking.
Middle half: 8.3% above asking to 32.8% above asking.
31 of 39 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 145 Grand View Ave | 2026-07-17 | $3.1M | No asking price | — | $3.3M | $2,795 | 1ba 1,180sf | 0.19 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 | 0.23 mi | similar size | ||
| 701 Castro St | 2026-04-21 | $4.29M | No asking price | — | $4.4M | $3,026 | 2ba 1,453sf | 0.14 mi | similar size | ||
| 359 Diamond St | 2026-02-04 | $2.23M | No asking price | — | $2.39M | $1,542 | 3bd 2ba 1,550sf | <0.05 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 | 0.26 mi | similar size | ||
| 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 | 0.31 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 | 0.21 mi | |||
| 278 Eureka St | 2026-01-02 | $2.52M | No asking price | — | $2.94M | $2,029 | 3bd 1ba 1,450sf | 0.15 mi | similar size | ||
| 311 Cumberland St | 2026-07-15 | $1.92M | No asking price | — | $2.04M | $1,743 | 2bd 2ba 1,172sf | 0.35 mi | |||
| 4555 19th St | 2026-06-18 | $1.85M | No asking price | — | $1.92M | $1,679 | 2bd 1ba 1,142sf | 0.27 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 | 0.14 mi | |||
| 276 Grand View Ave | 2026-05-22 | $2.8M | $2,800,000 | At asking | $2.9M | $2,414 | 4bd 4ba 1,200sf | 0.33 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 | 0.17 mi | |||
| 359 Douglass St | 2026-03-11 | $2.06M | $1,195,000 | $860,000 above asking (72.0%) | $2.13M | $1,280 | 2bd 1ba 1,667sf | 0.19 mi | |||
| 734 Elizabeth St | 2025-11-07 | $1.57M | $1,450,000 | $120,000 above asking (8.3%) | $1.83M | $1,404 | 3bd 1ba 1,302sf | 0.28 mi | similar size | ||
| 32 Carson St | 2026-04-17 | $3.4M | $2,585,000 | $815,000 above asking (31.5%) | $3.48M | $2,087 | 3bd 3ba 1,670sf | 0.25 mi | |||
| 731 Noe St | 2026-06-24 | $3.55M | $2,695,000 | $855,000 above asking (31.7%) | $3.68M | $2,080 | 3bd 2ba 1,769sf | 0.24 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 | 0.20 mi | |||
| 3974 22nd St | 2026-02-23 | $3.08M | $2,795,000 | $280,000 above asking (10.0%) | $3.29M | $1,777 | 3bd 2ba 1,850sf | 0.12 mi | |||
| 449 Alvarado St | 2026-06-04 | $4.95M | $3,750,000 | $1,200,000 above asking (32.0%) | $5.13M | $3,023 | 4bd 3ba 1,697sf | 0.34 mi | |||
| 4368 23rd St | 2026-02-06 | $1.72M | $1,550,000 | $170,000 above asking (11.0%) | $1.84M | $1,603 | 4bd 1ba 1,147sf | 0.32 mi | |||
| 4367 21st St | 2026-05-11 | $3.13M | $2,395,000 | $733,000 above asking (30.6%) | $3.24M | $1,717 | 4bd 3ba 1,885sf | 0.22 mi | same street | ||
| 730 Elizabeth St | 2026-05-13 | $2.85M | No asking price | — | $2.95M | $1,594 | 1ba 1,850sf | 0.28 mi | |||
| 306 Diamond St | 2025-11-13 | $2.6M | $1,750,000 | $850,000 above asking (48.6%) | $3.03M | $1,685 | 3bd 2ba 1,797sf | 0.08 mi | |||
| 308 Diamond St | 2025-11-12 | $3M | $2,750,000 | $250,000 above asking (9.1%) | $3.49M | $1,911 | 3bd 2ba 1,828sf | 0.07 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 | 0.23 mi | |||
| 4216 22nd St | 2026-05-06 | $2.8M | $1,995,000 | $805,000 above asking (40.4%) | $2.9M | $3,292 | 3bd 2ba 880sf | 0.20 mi | |||
| 537 Liberty St | 2026-08-20 | $3.58M | $3,699,000 | $119,000 below asking (3.2%) | $3.78M | $1,667 | 5bd 3ba 2,269sf | 0.17 mi | recent | ||
| 4431 19th St | 2026-04-24 | $2.6M | $2,500,000 | $100,000 above asking (4.0%) | $2.66M | $1,302 | 3bd 2ba 2,046sf | 0.23 mi | |||
| 591 Diamond St | 2026-10-05 | $4.38M | $3,295,000 | $1,080,000 above asking (32.8%) | $4.19M | $1,769 | 3bd 4ba 2,370sf | 0.22 mi | recent | ||
| 4048 23rd St | 2026-05-15 | $4.79M | $3,195,000 | $1,594,423 above asking (49.9%) | $4.96M | $2,335 | 4bd 2ba 2,122sf | 0.27 mi | |||
| 3853 22nd St | 2026-03-10 | $4.58M | $2,598,000 | $1,977,000 above asking (76.1%) | $4.75M | $2,259 | 3bd 3ba 2,103sf | 0.20 mi | |||
| 80 Diamond St | 2026-04-22 | $3.83M | $2,995,000 | $833,000 above asking (27.8%) | $3.92M | $1,877 | 3bd 3ba 2,090sf | 0.34 mi | |||
| 4118 20th St | 2026-04-29 | $4.4M | $2,995,000 | $1,405,000 above asking (46.9%) | $4.51M | $1,972 | 4bd 4ba 2,287sf | 0.22 mi | |||
| 282 Eureka St | 2026-03-30 | $3.9M | No asking price | — | $4.05M | $1,726 | 4bd 3ba 2,346sf | 0.15 mi | |||
| 3761 21st St | 2026-02-03 | $4.63M | $4,295,000 | $340,000 above asking (7.9%) | $4.96M | $2,203 | 4bd 4ba 2,250sf | 0.26 mi | same street | ||
| 3983 19th St | 2026-02-11 | $3.3M | $3,295,000 | $5,000 above asking (0.2%) | $3.53M | $1,598 | 4bd 3ba 2,208sf | 0.31 mi | |||
| 316 Douglass St | 2026-04-09 | $4.2M | $3,695,000 | $505,000 above asking (13.7%) | $4.3M | $1,779 | 3bd 4ba 2,420sf | 0.24 mi | |||
| 4333 23rd St | 2026-04-08 | $3.2M | $2,495,000 | $705,000 above asking (28.3%) | $3.28M | $1,329 | 3bd 3ba 2,467sf | 0.33 mi |