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21 Mountain Spring Av
Single-family home, 4 bd, 5 ba, 6,209 sqft, built 2020
Today’s estimate uses 6,209 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
47 sales inside 1.5 mi since Apr 2024. The estimate uses the 46 closest. 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
$12,655,000
$8,226,000estimated range$17,084,000
From 45 comps at a weighted median of $2,038 per sqft.
- Block
- 2709
- Lot
- 065
- Sales
- Jun 2024 to Oct 2026
- Prices adjusted to
- 2026-10-30
- Within
- 1.5 mi
- Sold since
- Apr 2024
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I'm interestedSale prices versus asking
Similarity-weighted median: 1.7% below final asking.
Middle half: 8.3% below asking to 10.6% above asking.
26 of 45 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 (46)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 Saint Germain Ave | 2026-06-11 | $8.25M | No asking price | — | $8.55M | $2,038 | 4bd 5ba 4,195sf | 0.10 mi | 4 bd | ||
| 150 Glenbrook Ave | 2025-11-20 | $16.5M | $17,995,000 cut from $19.95M | $1,495,000 below asking (8.3%) | $19.22M | $2,583 | 6bd 8ba 7,440sf | 0.14 mi | |||
| 63 Carmel St | 2025-12-22 | $9.35M | $8,995,000 | $355,000 above asking (3.9%) | $11.06M | $2,082 | 4bd 7ba 5,314sf | 0.19 mi | 4 bd | ||
| 53 Saint Germain Av Price inferred from public records | 2024-10-15 | $4.75M | — | — | $5.09M | $970 | 3bd 5ba 5,248sf | <0.05 mi | |||
| 31 Parnassus Av #33 Price inferred from public records | 2024-11-01 | $6.2M | — | — | $6.78M | — | 0.47 mi | no size on record | |||
| 180 Palo Alto Ave | 2025-12-26 | $6M | $6,300,000 cut from $7M | $300,000 below asking (4.8%) | $7.1M | $1,901 | 4bd 4ba 3,735sf | 0.11 mi | 4 bd | ||
| 2 Miraloma Dr | 2026-04-30 | $4.5M | $4,875,000 | $375,000 below asking (7.7%) | $4.61M | $779 | 5bd 5ba 5,919sf | 1.37 mi | similar size | ||
| 21 Castenada Ave | 2026-06-09 | $1.3M | $1,695,000 | $395,000 below asking (23.3%) | $1.35M | $324 | 5bd 7ba 4,163sf | 0.87 mi | |||
| 471 Hoffman Ave | 2026-09-22 | $9.1M | $6,995,000 | $2,105,000 above asking (30.1%) | $9.1M | $2,132 | 5bd 5ba 4,268sf | 0.73 mi | recent | ||
| 1461 Page St | 2026-04-17 | $4.9M | $4,250,000 | $650,000 above asking (15.3%) | $5.02M | $767 | 7bd 6ba 6,545sf | 0.93 mi | similar size | ||
| 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 | 1.04 mi | |||
| 4963 17th St | 2026-05-15 | $8.1M | $6,500,000 | $1,600,000 above asking (24.6%) | $8.38M | $2,321 | 4bd 4ba 3,610sf | 0.27 mi | 4 bd | ||
| 241 Frederick St | 2026-03-30 | $8.3M | $5,950,000 | $2,350,000 above asking (39.5%) | $8.62M | $1,903 | 5bd 4ba 4,530sf | 0.63 mi | |||
| 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 | 0.47 mi | |||
| 752 Duncan St | 2026-07-02 | $6.1M | No asking price | — | $6.49M | $1,474 | 5bd 7ba 4,402sf | 1.06 mi | |||
| 1125 Hayes St | 2026-10-09 | $9M | $6,995,000 | $2,005,000 above asking (28.7%) | $8.63M | $1,803 | 4bd 4ba 4,785sf | 1.41 mi | 4 bd, recent | ||
| 1911 Diamond St | 2026-10-19 | $6.41M | $5,795,000 | $614,450 above asking (10.6%) | $6.14M | $1,705 | 4bd 5ba 3,602sf | 1.31 mi | 4 bd, recent | ||
| 125 Montalvo Ave | 2026-04-16 | $4.75M | No asking price | — | $4.87M | $997 | 5bd 5ba 4,883sf | 1.24 mi | |||
| 4524 25th St | 2026-06-01 | $6.73M | $5,995,000 | $738,500 above asking (12.3%) | $6.98M | $1,863 | 5bd 5ba 3,745sf | 0.76 mi | |||
| 4001 21st St | 2026-01-06 | $8.16M | No asking price | — | $9.51M | $2,502 | 0bd 0ba 3,800sf | 0.72 mi | |||
| 561 Duncan St | 2026-02-12 | $5.7M | $5,995,000 | $295,000 below asking (4.9%) | $6.09M | $1,528 | 4bd 4ba 3,989sf | 1.23 mi | 4 bd | ||
| 2123 Funston Ave | 2026-02-05 | $3.5M | $2,998,000 | $502,000 above asking (16.7%) | $3.74M | $978 | 4bd 4ba 3,825sf | 1.33 mi | 4 bd | ||
| 653 Noe St Price inferred from public records | 2024-09-30 | $5.25M | — | — | $5.77M | $1,444 | 4bd 3ba 4,000sf | 0.91 mi | 4 bd | ||
| 40 Garcia Ave | 2026-03-19 | $4.69M | $3,875,000 | $813,000 above asking (21.0%) | $4.87M | $1,103 | 6bd 5ba 4,415sf | 1.10 mi | |||
| 481 Jersey St | 2026-04-20 | $7.6M | No asking price | — | $7.79M | $2,164 | 4bd 3.5ba 3,600sf | 0.89 mi | 4 bd | ||
| 111 Edgehill Way | 2026-05-04 | $7.8M | $7,950,000 cut from $10M | $150,000 below asking (1.9%) | $8.07M | $797 | 8bd 8ba 10,121sf | 1.22 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 | 1.15 mi | 4 bd | ||
| 818 Douglass St | 2026-02-18 | $7.25M | $5,898,000 | $1,352,000 above asking (22.9%) | $7.75M | $2,257 | 4bd 4ba 3,434sf | 0.77 mi | 4 bd | ||
| 2736 Fulton St | 2026-06-12 | $5M | $3,895,000 | $1,104,995 above asking (28.4%) | $5.18M | $1,355 | 4bd 5ba 3,825sf | 1.31 mi | 4 bd | ||
| 11 Topaz Way | 2026-07-30 | $3.5M | $2,999,000 | $501,000 above asking (16.7%) | $3.72M | $1,065 | 6bd 4ba 3,496sf | 1.21 mi | |||
| 4258 26th St | 2026-04-23 | $5M | No asking price | — | $5.12M | $1,330 | 5bd 5ba 3,854sf | 1.01 mi | |||
| 1244 Masonic Av Price inferred from public records | 2024-10-22 | $4.5M | — | — | $4.82M | $1,016 | 5bd 6ba 4,750sf | 0.83 mi | |||
| 15 Fountain St Price inferred from public records | 2024-11-01 | $5.65M | — | — | $6.18M | $1,590 | 4bd 3ba 3,889sf | 0.65 mi | 4 bd | ||
| 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 | 1.05 mi | 4 bd | ||
| 1493 Masonic Av Price inferred from public records | 2024-10-18 | $5.55M | — | — | $5.95M | $1,520 | 4bd 3ba 3,915sf | 0.63 mi | 4 bd | ||
| 1983 15th Ave | 2026-04-16 | $4.08M | $4,165,000 | $80,000 below asking (1.9%) | $4.19M | $1,173 | 5bd 5ba 3,570sf | 1.36 mi | |||
| 415 Fillmore St | 2026-09-09 | $6.1M | No asking price | — | $6.1M | $1,673 | 4bd 3ba 3,647sf | 1.44 mi | 4 bd, recent | ||
| 168 Jersey St | 2025-11-10 | $7.2M | No asking price | — | $8.39M | $2,254 | 4bd 5ba 3,720sf | 1.18 mi | 4 bd | ||
| 189 Knockash Hl Price inferred from public records | 2024-11-27 | $2.7M | — | — | $2.95M | $837 | 4bd 3ba 3,528sf | 1.26 mi | 4 bd | ||
| 4267 24th St Price inferred from public records | 2024-09-17 | $6.8M | — | — | $7.48M | $2,062 | 3bd 4ba 3,628sf | 0.78 mi | |||
| 438 29th St | 2026-07-02 | $3.85M | No asking price | — | $4.1M | $1,191 | 4bd 4ba 3,438sf | 1.43 mi | 4 bd | ||
| 538 28th St | 2025-11-21 | $7.5M | $7,500,000 | At asking | $8.73M | $2,234 | 6bd 6ba 3,910sf | 1.19 mi | |||
| 919 Church St Price inferred from public records | 2024-10-28 | $6.3M | — | — | $6.75M | $1,660 | 4bd 4ba 4,070sf | 1.17 mi | 4 bd | ||
| 785 Oak St | 2025-11-24 | $3.95M | $3,975,000 | $25,000 below asking (0.6%) | $4.6M | $1,316 | 4bd 3ba 3,495sf | 1.41 mi | 4 bd | ||
| 354 Fair Oaks St Price inferred from public records | 2024-12-30 | $7.13M | — | — | $8.1M | $1,963 | 5bd 4ba 4,126sf | 1.43 mi | |||
| 46 Alpine Te Price inferred from public records | 2024-06-21 | $4.38M | — | — | $4.73M | $1,269 | 6bd 4ba 3,729sf | 1.00 mi |