9 Harper St
Single-family home, 1 ba, 390 sqft, built 1900
Today’s estimate uses 390 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.
43 sales inside 3 mi since Oct 2023. 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
$683,000
$492,000estimated range$841,000
From 41 comps at a weighted median of $1,752 per sqft.
- Block
- 6653
- Lot
- 030
- Sales
- Nov 2023 to Sep 2026
- Prices adjusted to
- 2026-10-30
- Within
- 3 mi
- Sold since
- Oct 2023
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I'm interestedSale prices versus asking
Similarity-weighted median: 6.4% below final asking.
Middle half: 8.8% below asking to 0.9% above asking.
18 of 41 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 (43)
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 359 27th St | 2026-09-28 | $1.2M | No asking price | — | $1.2M | $1,829 | 1ba 656sf | 0.36 mi | recent | ||
| 520 Peru Ave | 2026-04-16 | $600K | No asking price | — | $615K | $1,671 | 1ba 368sf | 1.08 mi | similar size | ||
| 133 Santa Marina St Price inferred from public records | 2024-08-12 | $875K | — | — | $991K | $2,477 | 2bd 1ba 400sf | 0.53 mi | similar size | ||
| 180 Vienna St | 2025-11-19 | $650K | No asking price | — | $757K | $1,752 | 1bd 1ba 432sf | 1.12 mi | |||
| 143 Prospect Avenue | 2026-09-11 | $600K | $658,000 cut from $750K | $58,000 below asking (8.8%) | $600K | $857 | 1bd 1ba 700sf | 0.61 mi | recent | ||
| 143 Chilton Av Price inferred from public records | 2024-07-26 | $900K | — | — | $1M | $2,515 | 1ba 399sf | 0.68 mi | similar size | ||
| 543 30th St Price inferred from public records | 2024-10-15 | $1.5M | — | — | $1.61M | $2,680 | 2bd 1ba 600sf | 0.11 mi | |||
| 448 Nevada St | 2026-02-13 | $380K | $499,000 | $119,000 below asking (23.8%) | $406K | $726 | 1bd 1ba 560sf | 1.04 mi | |||
| 3954 Folsom St | 2026-01-09 | $585K | $625,000 | $40,000 below asking (6.4%) | $682K | $1,091 | 1bd 1ba 625sf | 0.93 mi | |||
| 1180 Florida St | 2026-08-28 | $495K | $495,000 cut from $549K | At asking | $523K | $841 | 1bd 1ba 622sf | 1.33 mi | recent | ||
| 616 Silliman St | 2026-06-30 | $988K | $899,000 | $89,000 above asking (9.9%) | $1.02M | $1,707 | 2bd 2ba 600sf | 1.29 mi | |||
| 87 Maynard St | 2025-11-14 | $665K | $659,000 | $6,000 above asking (0.9%) | $774K | $1,201 | 2bd 1ba 645sf | 0.84 mi | |||
| 360 Bradford St | 2026-05-11 | $880K | $938,000 | $58,000 below asking (6.2%) | $910K | $1,405 | 1bd 1ba 648sf | 1.13 mi | |||
| 161 Miramar Ave | 2026-07-23 | $1.21M | $990,000 cut from $1.39M | $220,000 above asking (22.2%) | $1.29M | $3,433 | 4bd 2ba 375sf | 2.11 mi | similar size | ||
| 4229 21st St | 2025-11-20 | $1.7M | $1,325,000 | $375,000 above asking (28.3%) | $1.98M | $3,168 | 2bd 1ba 625sf | 1.05 mi | |||
| 129 Britton St | 2026-09-08 | $600K | No asking price | — | $600K | $1,463 | 2bd 1ba 410sf | 2.26 mi | similar size, recent | ||
| 431 Madrid Street | 2026-04-28 | $600K | $650,000 cut from $749K | $50,000 below asking (7.7%) | $615K | $946 | 1bd 1ba 650sf | 1.32 mi | |||
| 1607 Felton St | 2026-07-17 | $550K | $399,000 | $151,000 above asking (37.8%) | $585K | $836 | 2bd 1ba 700sf | 1.21 mi | |||
| 2213 25th St | 2026-05-12 | $750K | $699,000 | $51,000 above asking (7.3%) | $776K | $1,437 | 2bd 2ba 540sf | 1.72 mi | |||
| 566 Athens St | 2026-07-24 | $430K | $495,000 | $65,000 below asking (13.1%) | $457K | $762 | 2bd 1ba 600sf | 1.55 mi | |||
| 9 Powhattan Av Price inferred from public records | 2023-11-03 | $715K | — | — | $828K | $1,793 | 1bd 1ba 462sf | 0.72 mi | |||
| 761 27th St Price inferred from public records | 2024-05-10 | $1.7M | — | — | $1.81M | $2,880 | 1ba 630sf | 0.50 mi | |||
| 131 Moultrie St Price inferred from public records | 2023-12-07 | $745K | — | — | $914K | $1,632 | 1bd 1ba 560sf | 0.78 mi | |||
| 31 Parnassus Av #33 Price inferred from public records | 2024-11-01 | $6.2M | — | — | $6.78M | — | 1.89 mi | no size on record | |||
| 508 Congo St Price inferred from public records | 2024-02-09 | $824K | — | — | $896K | $1,494 | 1ba 600sf | 0.87 mi | low-confidence price | ||
| 304 Teddy Ave | 2025-12-08 | $985K | No asking price | — | $1.17M | — | 2.15 mi | no size on record | |||
| 1660 Shafter Ave | 2025-12-12 | $588K | No asking price | — | $696K | $1,364 | 2bd 1ba 510sf | 2.21 mi | |||
| 16 Naples St Price inferred from public records | 2024-08-06 | $650K | — | — | $736K | $1,132 | 1bd 1ba 650sf | 0.94 mi | |||
| 107 Dwight St | 2025-12-31 | $365K | No asking price | — | $432K | $689 | 2bd 1ba 627sf | 1.91 mi | |||
| 130 Caine Ave | 2026-07-27 | $668K | $668,000 | At asking | $711K | $1,137 | 1bd 1ba 625sf | 2.14 mi | |||
| 1279 Gilman Ave | 2026-08-17 | $360K | $355,000 | $5,000 above asking (1.4%) | $380K | $1,358 | 1bd 1ba 280sf | 2.44 mi | recent | ||
| 766 Madrid St Price inferred from public records | 2024-03-20 | $529K | — | — | $559K | $1,133 | 1bd 1ba 493sf | 1.70 mi | |||
| 254 Maynard St Price inferred from public records | 2024-08-23 | $988K | — | — | $1.12M | $1,628 | 1ba 687sf | 0.90 mi | low-confidence price | ||
| 3931 19th St Price inferred from public records | 2024-02-15 | $1.25M | — | — | $1.36M | $2,365 | 1ba 575sf | 1.22 mi | low-confidence price | ||
| 279 Vienna St Price inferred from public records | 2024-03-08 | $1.08M | — | — | $1.14M | $1,822 | 1ba 625sf | 1.24 mi | |||
| 1213 Egbert Ave | 2026-05-28 | $570K | $599,000 cut from $650K | $29,000 below asking (4.8%) | $590K | $1,035 | 3bd 1ba 570sf | 2.63 mi | |||
| 163 Peabody St | 2026-04-13 | $450K | $450,000 | At asking | $461K | $767 | 1bd 1ba 601sf | 2.50 mi | |||
| 32 Laura St | 2026-08-18 | $670K | $625,000 cut from $879K | $45,000 above asking (7.2%) | $708K | $1,102 | 1bd 1ba 642sf | 2.45 mi | recent | ||
| 869 Vermont St Price inferred from public records | 2024-12-10 | $775K | — | — | $881K | $1,351 | 1bd 1ba 652sf | 1.85 mi | |||
| 2256 20th Ave | 2026-04-20 | $450K | No asking price | — | $461K | $769 | 2bd 1ba 600sf | 2.57 mi | |||
| 721 Holloway Av Price inferred from public records | 2024-04-08 | $1.02M | — | — | $1.1M | $2,198 | 1bd 1ba 500sf | 2.18 mi | |||
| 150 Wilde Av Price inferred from public records | 2024-11-06 | $665K | — | — | $728K | $1,323 | 1bd 1ba 550sf | 2.34 mi | low-confidence price | ||
| 28 Redondo St Price inferred from public records | 2024-11-08 | $508K | — | — | $556K | $824 | 2bd 1ba 675sf | 2.59 mi | low-confidence price |