Home › Castro/Upper Market › Mars St
42 Mars St
Single-family home, 3 bd, 2 ba, 1,737 sqft, built 1917
Today’s estimate uses 1,737 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
32 sales inside 0.35 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
$2,729,000
From 32 comps at a weighted median of $1,571 per sqft.
- Block
- 2654
- Lot
- 006
- Sales
- Nov 2025 to Oct 2026
- Prices adjusted to
- 2026-10-30
- Within
- 0.35 mi
- Sold since
- Apr 2025
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I'm interestedSale prices versus asking
Similarity-weighted median: 31.5% above final asking.
Middle half: 24.6% above asking to 36.7% above asking.
27 of 32 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 (32)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 45 Deming St | 2026-10-22 | $3M | $2,195,000 | $805,000 above asking (36.7%) | $2.88M | $1,478 | 4bd 2ba 1,945sf | 0.07 mi | recent | ||
| 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 | 0.11 mi | similar size, 3 bd, recent | ||
| 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 | 0.19 mi | similar size | ||
| 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 | 0.24 mi | 3 bd | ||
| 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 | 0.33 mi | similar size, 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 | 0.20 mi | similar size, 3 bd | ||
| 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 | 0.25 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 | 0.19 mi | |||
| 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 | 0.20 mi | |||
| 25 Parnassus Ave | 2025-12-08 | $3.8M | $3,850,000 | $50,000 below asking (1.3%) | $4.5M | $2,444 | 3bd 3ba 1,840sf | 0.31 mi | similar size, 3 bd | ||
| 35 Belgrave Ave | 2026-04-14 | $5.75M | No asking price | — | $5.89M | $2,999 | 2ba 1,965sf | 0.26 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 | 0.14 mi | 3 bd | ||
| 1577 Shrader St | 2026-04-22 | $3.5M | $2,295,000 | $1,205,000 above asking (52.5%) | $3.59M | $2,637 | 3bd 1ba 1,360sf | 0.32 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 | 0.21 mi | 3 bd | ||
| 1278 Clayton St | 2025-12-09 | $3.5M | No asking price | — | $4.14M | $1,762 | 3bd 4ba 2,350sf | 0.08 mi | 3 bd | ||
| 1525 Cole St | 2026-06-23 | $3.5M | Unclear | — | $3.63M | $1,451 | 4bd 2ba 2,500sf | 0.24 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 | 0.23 mi | 3 bd | ||
| 1002 Clayton St | 2026-10-16 | $5.4M | $3,595,000 | $1,805,000 above asking (50.2%) | $5.18M | $1,741 | 4bd 4ba 2,972sf | 0.21 mi | recent | ||
| 4555 19th St | 2026-06-18 | $1.85M | No asking price | — | $1.92M | $1,679 | 2bd 1ba 1,142sf | 0.31 mi | |||
| 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 | 0.18 mi | 3 bd | ||
| 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 | 0.33 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 | 0.31 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 | 0.14 mi | 3 bd | ||
| 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 | 0.18 mi | |||
| 4822 19th St | 2025-12-17 | $3.48M | $3,475,000 | At asking | $4.11M | $1,440 | 4bd 5ba 2,855sf | 0.15 mi | |||
| 60 Eagle St | 2026-10-16 | $1.81M | $1,049,000 | $761,000 above asking (72.5%) | $1.73M | $1,742 | 1bd 1ba 996sf | 0.21 mi | recent | ||
| 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 | 0.19 mi | recent | ||
| 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 | 0.08 mi | 3 bd | ||
| 844 Clayton St | 2026-03-20 | $5.6M | $4,500,000 | $1,100,000 above asking (24.4%) | $5.82M | $2,046 | 5bd 5ba 2,842sf | 0.34 mi | |||
| 918 Clayton St | 2026-05-07 | $3.6M | No asking price | — | $3.73M | $1,202 | 5bd 3ba 3,100sf | 0.28 mi | |||
| 1415 Shrader St | 2026-09-09 | $2.5M | $1,750,000 | $750,000 above asking (42.9%) | $2.5M | $2,427 | 1bd 1ba 1,030sf | 0.34 mi | recent | ||
| 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 | 0.22 mi |
This home's sale history
- 2021-08-24: $3,250,000 (price inferred from public records, high confidence)