Home › Castro/Upper Market › 21st St
4220 21st St
Single-family home, 1 bd, 1 ba, 741 sqft, built 1922
Today’s estimate uses 741 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
44 sales inside 0.75 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
$1,404,000
$913,000estimated range$1,896,000
From 44 comps at a weighted median of $1,895 per sqft.
- Block
- 2749
- Lot
- 060
- Sales
- Oct 2025 to Oct 2026
- Prices adjusted to
- 2026-11-01
- Within
- 0.75 mi
- Sold since
- May 2025
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I'm interestedSale prices versus asking
Similarity-weighted median: 28.3% above final asking.
Middle half: 22.2% above asking to 45.0% above asking.
28 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 501 Corbett Ave | 2026-05-12 | $950K | No asking price | — | $983K | $1,202 | 1bd 1ba 818sf | 0.39 mi | similar size, 1 bd | ||
| 4229 21st St | 2025-11-20 | $1.7M | $1,325,000 | $375,000 above asking (28.3%) | $1.98M | $3,168 | 2bd 1ba 625sf | <0.05 mi | nearby on same street | ||
| 4216 22nd St | 2026-05-06 | $2.8M | $1,995,000 | $805,000 above asking (40.4%) | $2.9M | $3,292 | 3bd 2ba 880sf | 0.10 mi | |||
| 3623 22nd St | 2026-05-06 | $1.1M | $995,000 | $105,000 above asking (10.6%) | $1.14M | $1,453 | 2bd 1ba 783sf | 0.54 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 | 0.34 mi | 1 bd, recent | ||
| 145 Grand View Ave | 2026-07-17 | $3.1M | No asking price | — | $3.3M | $2,795 | 1ba 1,180sf | 0.09 mi | |||
| 188 Corbett Ave | 2026-08-14 | $852K | No asking price | — | $900K | $952 | 2bd 1ba 945sf | 0.49 mi | recent | ||
| 894 Burnett Ave | 2026-07-28 | $1M | No asking price | — | $1.06M | $1,198 | 1bd 1ba 888sf | 0.62 mi | 1 bd | ||
| 4443 25th St | 2026-07-10 | $1.45M | No asking price | — | $1.54M | $1,505 | 2bd 1ba 1,025sf | 0.45 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 | |||
| 4555 19th St | 2026-06-18 | $1.85M | No asking price | — | $1.92M | $1,679 | 2bd 1ba 1,142sf | 0.24 mi | |||
| 4458 24th St | 2026-03-10 | $2.17M | $1,495,000 | $673,000 above asking (45.0%) | $2.25M | $2,485 | 2bd 1ba 906sf | 0.38 mi | |||
| 447 Hoffman Ave | 2025-10-27 | $1.45M | $1,500,000 | $50,000 below asking (3.3%) | $1.66M | $1,895 | 2bd 1ba 875sf | 0.40 mi | |||
| 311 Cumberland St | 2026-07-15 | $1.92M | No asking price | — | $2.04M | $1,743 | 2bd 2ba 1,172sf | 0.45 mi | |||
| 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 | 0.25 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 | 0.38 mi | |||
| 203 Hoffman Ave | 2026-06-23 | $2.61M | $1,499,000 | $1,111,000 above asking (74.1%) | $2.7M | $2,352 | 3bd 1ba 1,150sf | 0.26 mi | |||
| 1279 Church St | 2026-06-01 | $2.55M | $1,795,000 | $755,000 above asking (42.1%) | $2.64M | $2,930 | 3bd 2ba 902sf | 0.70 mi | |||
| 646 Duncan St | 2026-09-30 | $2.4M | No asking price | — | $2.4M | $2,226 | 2bd 2ba 1,078sf | 0.71 mi | recent | ||
| 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 | 0.47 mi | |||
| 276 Grand View Ave | 2026-05-22 | $2.8M | $2,800,000 | At asking | $2.9M | $2,414 | 4bd 4ba 1,200sf | 0.23 mi | |||
| 1604 Castro St | 2026-08-13 | $2.86M | $1,995,000 | $865,008 above asking (43.4%) | $3.02M | $2,576 | 2bd 1ba 1,173sf | 0.53 mi | recent | ||
| 4363 26th St | 2026-03-16 | $8M | No asking price | — | $8.31M | $7,384 | 2bd 1ba 1,125sf | 0.55 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 | 0.34 mi | |||
| 1040 Sanchez St | 2026-06-08 | $2.48M | No asking price | — | $2.58M | $2,385 | 3bd 2ba 1,080sf | 0.49 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 | 0.23 mi | |||
| 114 Fair Oaks St | 2026-06-05 | $290K | No asking price | — | $301K | $285 | 2bd 1ba 1,054sf | 0.75 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 | 0.34 mi | |||
| 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 | 0.42 mi | recent | ||
| 543 Jersey St | 2026-04-16 | $2.48M | $1,495,000 | $980,000 above asking (65.6%) | $2.54M | $2,161 | 3bd 1ba 1,174sf | 0.38 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 | 0.56 mi | |||
| 27 Homestead St | 2026-03-23 | $1.65M | No asking price | — | $1.71M | $1,452 | 3bd 1ba 1,180sf | 0.36 mi | |||
| 724 27th St | 2025-10-27 | $1.99M | $1,550,000 | $442,000 above asking (28.5%) | $2.28M | $2,278 | 2bd 1ba 1,000sf | 0.64 mi | |||
| 892 Duncan St | 2026-10-19 | $2.38M | $1,595,000 | $780,000 above asking (48.9%) | $2.28M | $1,954 | 3bd 1ba 1,165sf | 0.71 mi | recent | ||
| 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 | 0.37 mi | |||
| 665 27th St | 2026-04-02 | $2.44M | $1,388,000 | $1,053,067 above asking (75.9%) | $2.5M | $2,129 | 2bd 1ba 1,175sf | 0.67 mi | |||
| 473 Corbett Ave | 2026-05-04 | $1.5M | $1,345,000 | $155,000 above asking (11.5%) | $1.55M | $1,268 | 3bd 2ba 1,224sf | 0.41 mi | |||
| 29 Newburg St | 2026-09-25 | $3M | No asking price | — | $3M | $2,405 | 3bd 2ba 1,248sf | 0.70 mi | recent | ||
| 560 Duncan St | 2026-05-08 | $2.2M | No asking price | — | $2.28M | $1,897 | 2bd 1ba 1,200sf | 0.73 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 | 0.25 mi | |||
| 67 Clairview Ct | 2026-05-20 | $3.5M | No asking price | — | $3.62M | $2,842 | 2ba 1,274sf | 0.65 mi | |||
| 4279 Cesar Chavez St | 2025-12-24 | $1.57M | No asking price | — | $1.85M | $1,531 | 3bd 1ba 1,210sf | 0.62 mi | |||
| 11 Marview Way | 2026-05-15 | $2M | $1,388,000 | $617,000 above asking (44.5%) | $2.07M | $1,631 | 3bd 2ba 1,272sf | 0.69 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 | 0.57 mi |
This home's sale history
- 2021-03-05: $1,400,000 (price inferred from public records, medium confidence)
- 2015-07-10: $1,230,000 (price inferred from public records, high confidence)