Home › Castro/Upper Market › 18th St
4020 18th St
Single-family home, 3 bd, 3 ba, 2,560 sqft, built 1900
Today’s estimate uses 2,560 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
88 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
Medium confidence
$4,539,000
$3,268,000estimated range$5,584,000
From 88 comps at a weighted median of $1,773 per sqft.
- Block
- 3582
- Lot
- 019
- 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: 28.3% above final asking.
Middle half: 10.0% above asking to 43.1% above asking.
69 of 88 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 (88)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 Ford St | 2026-09-28 | $4.34M | No asking price | — | $4.34M | $1,835 | 3bd 2ba 2,365sf | 0.11 mi | similar size, 3 bd, recent | ||
| 4048 22nd St | 2026-07-15 | $3.77M | No asking price | — | $4.02M | $1,606 | 3bd 2ba 2,500sf | 0.52 mi | similar size, 3 bd | ||
| 971 Sanchez St | 2026-10-16 | $4.95M | $2,995,000 | $1,956,522 above asking (65.3%) | $4.75M | $1,933 | 4bd 3ba 2,455sf | 0.56 mi | similar size, recent | ||
| 1012 14th St | 2026-10-13 | $3.2M | $1,995,000 | $1,205,000 above asking (60.4%) | $3.07M | $1,383 | 3bd 4ba 2,217sf | 0.46 mi | 3 bd, recent | ||
| 323 Eureka St | 2026-03-12 | $5M | $3,495,000 | $1,504,999 above asking (43.1%) | $5.19M | $2,016 | 4bd 4ba 2,576sf | 0.39 mi | similar size | ||
| 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 | 0.38 mi | similar size, 3 bd | ||
| 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 | |||
| 441 Douglass St | 2026-05-18 | $4.5M | No asking price | — | $4.66M | $1,701 | 3bd 4ba 2,737sf | 0.44 mi | similar size, 3 bd | ||
| 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 | 0.59 mi | similar size, 3 bd, recent | ||
| 476 Liberty St | 2026-09-28 | $5.6M | $3,795,000 | $1,805,000 above asking (47.6%) | $5.6M | $1,747 | 4bd 4ba 3,205sf | 0.28 mi | recent | ||
| 143 Collingwood St | 2026-06-08 | $4.85M | $3,695,000 | $1,155,000 above asking (31.3%) | $5.03M | $1,736 | 4bd 4ba 2,895sf | 0.15 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 | 0.23 mi | 3 bd | ||
| 282 Eureka St | 2026-03-30 | $3.9M | No asking price | — | $4.05M | $1,726 | 4bd 3ba 2,346sf | 0.36 mi | similar size | ||
| 28 Hartford St | 2026-04-24 | $3M | No asking price | — | $3.07M | $1,606 | 3bd 3ba 1,915sf | 0.07 mi | 3 bd | ||
| 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 | 0.31 mi | recent | ||
| 221 Danvers St | 2026-07-14 | $4.55M | $3,995,000 | $555,000 above asking (13.9%) | $4.84M | $1,662 | 3bd 4ba 2,912sf | 0.54 mi | 3 bd | ||
| 771 Elizabeth St | 2026-07-24 | $5.85M | $4,795,000 | $1,055,000 above asking (22.0%) | $6.22M | $2,432 | 4bd 4ba 2,559sf | 0.70 mi | similar size | ||
| 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 | 0.15 mi | |||
| 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 | 0.34 mi | 3 bd | ||
| 279 Diamond St | 2026-01-28 | $4.58M | $3,495,000 | $1,085,000 above asking (31.0%) | $5.34M | $1,773 | 4bd 3ba 3,010sf | 0.29 mi | |||
| 335 Diamond St | 2026-04-08 | $6.42M | $6,800,000 | $375,000 below asking (5.5%) | $6.58M | $2,072 | 3bd 3ba 3,178sf | 0.34 mi | 3 bd | ||
| 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 | 0.71 mi | similar size, 3 bd | ||
| 3828 23rd Street | 2026-09-10 | $1.85M | $1,699,000 | $151,000 above asking (8.9%) | $1.85M | $851 | 4bd 3ba 2,173sf | 0.61 mi | recent | ||
| 3666 22nd St | 2026-07-06 | $3.8M | $3,100,000 | $700,000 above asking (22.6%) | $4.04M | $1,939 | 3bd 3ba 2,085sf | 0.48 mi | 3 bd | ||
| 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 | 0.37 mi | |||
| 4376 17th St | 2026-04-15 | $3.4M | $3,295,000 | $105,000 above asking (3.2%) | $3.48M | $1,144 | 3bd 4ba 3,045sf | 0.51 mi | 3 bd | ||
| 438 Elizabeth St | 2026-08-28 | $4.93M | $3,295,000 | $1,635,000 above asking (49.6%) | $5.21M | $2,489 | 3bd 3ba 2,092sf | 0.61 mi | 3 bd, recent | ||
| 3960 20th St | 2025-11-10 | $4.7M | $4,395,000 | $305,000 above asking (6.9%) | $5.47M | $2,372 | 4bd 4ba 2,308sf | 0.30 mi | |||
| 3627 21st St | 2026-04-20 | $5.4M | $4,700,000 | $700,000 above asking (14.9%) | $5.53M | $1,843 | 3bd 3ba 3,003sf | 0.43 mi | 3 bd | ||
| 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 | 0.47 mi | 3 bd | ||
| 132 Corbett Ave | 2026-05-21 | $3.2M | $2,495,000 | $705,000 above asking (28.3%) | $3.31M | $1,571 | 4bd 3ba 2,107sf | 0.44 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 | 0.28 mi | 3 bd | ||
| 708 Waller St | 2026-10-13 | $4.7M | $3,495,000 | $1,205,000 above asking (34.5%) | $4.5M | $2,248 | 4bd 2ba 2,004sf | 0.66 mi | recent | ||
| 553 Douglass St | 2026-08-27 | $5M | $3,785,000 | $1,214,999 above asking (32.1%) | $5.28M | $1,707 | 5bd 4ba 3,095sf | 0.53 mi | recent | ||
| 7 Broderick St | 2026-04-28 | $4.95M | $4,499,000 | $451,000 above asking (10.0%) | $5.07M | $1,771 | 4bd 4ba 2,865sf | 0.70 mi | |||
| 10 Deming St | 2026-07-28 | $5.9M | $4,450,000 | $1,450,000 above asking (32.6%) | $6.28M | $1,955 | 4bd 4ba 3,211sf | 0.63 mi | |||
| 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 | 0.56 mi | |||
| 1278 Clayton St | 2025-12-09 | $3.5M | No asking price | — | $4.14M | $1,762 | 3bd 4ba 2,350sf | 0.70 mi | similar size, 3 bd | ||
| 146 Henry St | 2025-11-10 | $3.29M | $3,459,000 | $169,500 below asking (4.9%) | $3.83M | $1,882 | 3bd 2ba 2,036sf | 0.40 mi | 3 bd | ||
| 4822 19th St | 2025-12-17 | $3.48M | $3,475,000 | At asking | $4.11M | $1,440 | 4bd 5ba 2,855sf | 0.59 mi | |||
| 871 14th St | 2026-08-25 | $2.21M | No asking price | — | $2.33M | $1,215 | 6bd 4ba 1,920sf | 0.42 mi | recent | ||
| 621 Sanchez St | 2025-11-05 | $2.9M | No asking price | — | $3.38M | $1,409 | 4bd 3ba 2,400sf | 0.23 mi | similar size | ||
| 980 Ashbury St | 2026-07-09 | $4.28M | $3,950,000 | $325,000 above asking (8.2%) | $4.55M | $1,395 | 4bd 4ba 3,260sf | 0.71 mi | |||
| 264 Liberty St | 2026-05-11 | $3.75M | $1,995,000 | $1,755,000 above asking (88.0%) | $3.88M | $2,174 | 2bd 2ba 1,785sf | 0.42 mi | |||
| 3879 23rd St | 2025-10-27 | $3.2M | $2,295,000 | $905,000 above asking (39.4%) | $3.66M | $1,645 | 4bd 4ba 2,225sf | 0.61 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 | 0.56 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 | 0.36 mi | 3 bd | ||
| 685 Corbett Ave | 2026-05-27 | $1.96M | $1,745,000 | $210,000 above asking (12.0%) | $2.02M | $967 | 3bd 3ba 2,092sf | 0.65 mi | 3 bd | ||
| 227 Roosevelt Way | 2026-09-11 | $2.25M | No asking price | — | $2.25M | $1,380 | 1ba 1,630sf | 0.48 mi | recent | ||
| 4075 20th St | 2026-06-26 | $5.58M | $4,295,000 | $1,285,000 above asking (29.9%) | $5.78M | $1,775 | 4bd 3ba 3,258sf | 0.26 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 | 0.35 mi | 3 bd | ||
| 3622 21st St | 2026-02-17 | $3.3M | $1,988,000 | $1,312,000 above asking (66.0%) | $3.53M | $1,895 | 2bd 2ba 1,862sf | 0.41 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 | 0.48 mi | 3 bd | ||
| 45 Deming St | 2026-10-22 | $3M | $2,195,000 | $805,000 above asking (36.7%) | $2.88M | $1,478 | 4bd 2ba 1,945sf | 0.66 mi | recent | ||
| 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 | 0.40 mi | 3 bd | ||
| 133 Vicksburg St | 2026-02-13 | $3.75M | $2,695,000 | $1,055,000 above asking (39.1%) | $4.01M | $2,072 | 3bd 2ba 1,935sf | 0.64 mi | 3 bd | ||
| 49 Eagle St | 2025-12-11 | $5.63M | No asking price | — | $6.66M | $2,024 | 4bd 5ba 3,290sf | 0.57 mi | |||
| 730 Elizabeth St | 2026-05-13 | $2.85M | No asking price | — | $2.95M | $1,594 | 1ba 1,850sf | 0.66 mi | |||
| 1391 Clayton St | 2026-10-09 | $4.79M | $3,995,000 | $795,000 above asking (19.9%) | $4.59M | $1,739 | 4bd 5ba 2,640sf | 0.74 mi | similar size, recent | ||
| 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 | 0.28 mi | 3 bd | ||
| 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 | 0.54 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 | 0.37 mi | |||
| 50 Carmelita St | 2026-06-30 | $7.3M | $5,795,000 | $1,505,000 above asking (26.0%) | $7.57M | $1,963 | 4bd 5ba 3,855sf | 0.60 mi | |||
| 72 Castro St | 2026-04-30 | $3.2M | $2,500,000 | $700,000 above asking (28.0%) | $3.28M | $1,916 | 4bd 2ba 1,712sf | 0.48 mi | |||
| 4799 19th St | 2026-04-06 | $2.23M | $1,785,000 | $440,000 above asking (24.6%) | $2.28M | $1,254 | 4bd 1ba 1,819sf | 0.58 mi | |||
| 701 Castro St | 2026-04-21 | $4.29M | No asking price | — | $4.4M | $3,026 | 2ba 1,453sf | 0.26 mi | |||
| 3348 Market St | 2026-05-26 | $2.25M | $2,500,000 | $250,000 below asking (10.0%) | $2.33M | $1,206 | 2bd 2ba 1,930sf | 0.62 mi | |||
| 354 Corbett Ave | 2026-09-23 | $2.85M | $2,095,000 | $755,000 above asking (36.0%) | $2.85M | $1,534 | 3bd 3ba 1,858sf | 0.68 mi | 3 bd, recent | ||
| 663 Guerrero St | 2026-03-11 | $2.62M | No asking price | — | $2.72M | $1,451 | 3bd 2ba 1,875sf | 0.55 mi | 3 bd | ||
| 4558 19th St | 2026-06-12 | $5.4M | $5,495,000 | $95,000 below asking (1.7%) | $5.6M | $1,490 | 5bd 6ba 3,757sf | 0.40 mi | |||
| 376 Corbett Ave | 2025-11-20 | $2.13M | $1,695,000 | $430,000 above asking (25.4%) | $2.47M | $1,279 | 3bd 3ba 1,935sf | 0.71 mi | 3 bd | ||
| 27 Saturn St | 2025-11-17 | $2.6M | $2,700,000 | $100,000 below asking (3.7%) | $3.03M | $1,525 | 3bd 2ba 1,985sf | 0.45 mi | 3 bd | ||
| 359 Diamond St | 2026-02-04 | $2.23M | No asking price | — | $2.39M | $1,542 | 3bd 2ba 1,550sf | 0.36 mi | 3 bd | ||
| 4532 17th St | 2026-06-12 | $3.35M | $2,995,000 cut from $3.69M | $355,000 above asking (11.9%) | $3.47M | $1,163 | 3bd 3ba 2,985sf | 0.70 mi | 3 bd | ||
| 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 | 0.43 mi | 3 bd | ||
| 3616 21st St | 2026-01-30 | $4.23M | $2,188,000 | $2,037,888 above asking (93.1%) | $4.92M | $2,589 | 2bd 2ba 1,902sf | 0.41 mi | |||
| 278 Eureka St | 2026-01-02 | $2.52M | No asking price | — | $2.94M | $2,029 | 3bd 1ba 1,450sf | 0.36 mi | 3 bd | ||
| 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 | 0.60 mi | 3 bd | ||
| 35 Hattie Street | 2025-11-25 | $2.13M | $2,190,000 cut from $2.9M | $63,400 below asking (2.9%) | $2.48M | $984 | 5bd 5ba 2,518sf | 0.41 mi | similar size | ||
| 938 Sanchez St | 2025-11-05 | $6.5M | $5,995,000 | $505,000 above asking (8.4%) | $7.57M | $1,949 | 4bd 4ba 3,885sf | 0.52 mi | |||
| 232 Clinton Park | 2026-03-30 | $3.02M | No asking price | — | $3.14M | $1,968 | 3bd 2.5ba 1,596sf | 0.71 mi | 3 bd | ||
| 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 | 0.58 mi | |||
| 223 Divisadero St | 2025-10-28 | $2.4M | $1,795,000 | $605,000 above asking (33.7%) | $2.74M | $1,660 | 3bd 2ba 1,653sf | 0.69 mi | 3 bd | ||
| 168 Jersey St | 2025-11-10 | $7.2M | No asking price | — | $8.39M | $2,254 | 4bd 5ba 3,720sf | 0.74 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 | 0.53 mi | |||
| 4001 21st St | 2026-01-06 | $8.16M | No asking price | — | $9.51M | $2,502 | 0bd 0ba 3,800sf | 0.40 mi | |||
| 268 Grand View Ave | 2026-04-07 | $4.2M | Unclear | — | $4.3M | $1,263 | 4bd 4ba 3,407sf | 0.67 mi | |||
| 381 Liberty St | 2026-06-04 | $8.75M | $5,995,000 | $2,755,000 above asking (46.0%) | $9.07M | $2,184 | 5bd 4ba 4,152sf | 0.35 mi |
This home's sale history
- 2022-06-13: $2,800,000 (price inferred from public records, high confidence)