SFoverasking

Home › Castro/Upper Market › Diamond St

321 Diamond St

Single-family home, 1 ba, 2,150 sqft, built 1911

Today’s estimate uses 2,150 sqft and the home’s latest facts. It does not estimate the home’s value at a past sale date.

0.2 mi0.3 mi$3.78M$4.19M$2.66M$4.96M$4.51M$3.92M$4.05M$4.75M$3.53M$4.02M$4.96M$3.24M$5.19M$3.29M$4.66M$2.95M$5.34M$5.28M$5.03M$5.60M$4.40M$2.90M$3.17M$5.60M$1.58M$9.51M321 Diamond StBlock 2751, Lot 01900.25 miN537 Liberty St: sold for $3,580,000 on 2026-08-20, 0.18 mi away591 Diamond St: sold for $4,375,000 on 2026-10-05, 0.29 mi away4431 19th St: sold for $2,600,000 on 2026-04-24, 0.17 mi away4048 23rd St: sold for $4,789,423 on 2026-05-15, 0.34 mi away4118 20th St: sold for $4,400,000 on 2026-04-29, 0.20 mi away80 Diamond St: sold for $3,828,000 on 2026-04-22, 0.27 mi away282 Eureka St: sold for $3,900,000 on 2026-03-30, 0.10 mi away3853 22nd St: sold for $4,575,000 on 2026-03-10, 0.26 mi away3983 19th St: sold for $3,300,000 on 2026-02-11, 0.28 mi away4048 22nd St: sold for $3,775,000 on 2026-07-15, 0.19 mi away316 Douglass St: sold for $4,200,000 on 2026-04-09, 0.19 mi away3761 21st St: sold for $4,635,000 on 2026-02-03, 0.29 mi away4367 21st St: sold for $3,128,000 on 2026-05-11, 0.25 mi away308 Diamond St: sold for $3,000,000 on 2025-11-12, under 0.05 mi away323 Eureka St: sold for $4,999,999 on 2026-03-12, 0.07 mi away731 Noe St: sold for $3,550,000 on 2026-06-24, 0.24 mi away3974 22nd St: sold for $3,075,000 on 2026-02-23, 0.19 mi away306 Diamond St: sold for $2,600,000 on 2025-11-13, under 0.05 mi away441 Douglass St: sold for $4,500,000 on 2026-05-18, 0.13 mi away730 Elizabeth St: sold for $2,850,000 on 2026-05-13, 0.35 mi away359 Diamond St: sold for $2,235,000 on 2026-02-04, under 0.05 mi away359 Douglass St: sold for $2,055,000 on 2026-03-11, 0.14 mi away32 Carson St: sold for $3,400,000 on 2026-04-17, 0.21 mi away335 Diamond St: sold for $6,425,000 on 2026-04-08, under 0.05 mi away279 Diamond St: sold for $4,580,000 on 2026-01-28, 0.06 mi away553 Douglass St: sold for $4,999,999 on 2026-08-27, 0.20 mi away143 Collingwood St: sold for $4,850,000 on 2026-06-08, 0.20 mi away476 Liberty St: sold for $5,600,000 on 2026-09-28, 0.25 mi away701 Castro St: sold for $4,290,000 on 2026-04-21, 0.12 mi away522 Liberty St: sold for $2,100,000 on 2025-11-26, 0.19 mi away278 Eureka St: sold for $2,525,000 on 2026-01-02, 0.11 mi away4031 22nd St: sold for $2,533,000 on 2025-10-31, 0.21 mi away343 Cumberland St: sold for $3,175,000 on 2026-09-03, 0.30 mi away4558 19th St: sold for $5,400,000 on 2026-06-12, 0.25 mi away4075 20th St: sold for $5,580,000 on 2026-06-26, 0.26 mi away761 Noe St: sold for $1,525,000 on 2026-03-27, 0.24 mi away465 Liberty St: sold for $1,807,000 on 2025-12-22, 0.27 mi away4001 21st St: sold for $8,160,000 on 2026-01-06, 0.10 mi away0.35 mi0.2 mi$3.78M$4.19M$4.51M$3.92M$4.75M$3.53M$4.96M$3.24M$3.29M$4.66M$2.95M$5.28M$5.03M$2.90M$3.17M$5.78M$2.14M321 Diamond StBlock 2751, Lot 01900.25 miN537 Liberty St: sold for $3,580,000 on 2026-08-20, 0.18 mi away591 Diamond St: sold for $4,375,000 on 2026-10-05, 0.29 mi away4431 19th St: sold for $2,600,000 on 2026-04-24, 0.17 mi away4048 23rd St: sold for $4,789,423 on 2026-05-15, 0.34 mi away4118 20th St: sold for $4,400,000 on 2026-04-29, 0.20 mi away80 Diamond St: sold for $3,828,000 on 2026-04-22, 0.27 mi away282 Eureka St: sold for $3,900,000 on 2026-03-30, 0.10 mi away3853 22nd St: sold for $4,575,000 on 2026-03-10, 0.26 mi away3983 19th St: sold for $3,300,000 on 2026-02-11, 0.28 mi away4048 22nd St: sold for $3,775,000 on 2026-07-15, 0.19 mi away316 Douglass St: sold for $4,200,000 on 2026-04-09, 0.19 mi away3761 21st St: sold for $4,635,000 on 2026-02-03, 0.29 mi away4367 21st St: sold for $3,128,000 on 2026-05-11, 0.25 mi away308 Diamond St: sold for $3,000,000 on 2025-11-12, under 0.05 mi away323 Eureka St: sold for $4,999,999 on 2026-03-12, 0.07 mi away731 Noe St: sold for $3,550,000 on 2026-06-24, 0.24 mi away3974 22nd St: sold for $3,075,000 on 2026-02-23, 0.19 mi away306 Diamond St: sold for $2,600,000 on 2025-11-13, under 0.05 mi away441 Douglass St: sold for $4,500,000 on 2026-05-18, 0.13 mi away730 Elizabeth St: sold for $2,850,000 on 2026-05-13, 0.35 mi away359 Diamond St: sold for $2,235,000 on 2026-02-04, under 0.05 mi away359 Douglass St: sold for $2,055,000 on 2026-03-11, 0.14 mi away32 Carson St: sold for $3,400,000 on 2026-04-17, 0.21 mi away335 Diamond St: sold for $6,425,000 on 2026-04-08, under 0.05 mi away279 Diamond St: sold for $4,580,000 on 2026-01-28, 0.06 mi away553 Douglass St: sold for $4,999,999 on 2026-08-27, 0.20 mi away143 Collingwood St: sold for $4,850,000 on 2026-06-08, 0.20 mi away476 Liberty St: sold for $5,600,000 on 2026-09-28, 0.25 mi away701 Castro St: sold for $4,290,000 on 2026-04-21, 0.12 mi away522 Liberty St: sold for $2,100,000 on 2025-11-26, 0.19 mi away278 Eureka St: sold for $2,525,000 on 2026-01-02, 0.11 mi away4031 22nd St: sold for $2,533,000 on 2025-10-31, 0.21 mi away343 Cumberland St: sold for $3,175,000 on 2026-09-03, 0.30 mi away4558 19th St: sold for $5,400,000 on 2026-06-12, 0.25 mi away4075 20th St: sold for $5,580,000 on 2026-06-26, 0.26 mi away761 Noe St: sold for $1,525,000 on 2026-03-27, 0.24 mi away465 Liberty St: sold for $1,807,000 on 2025-12-22, 0.27 mi away4001 21st St: sold for $8,160,000 on 2026-01-06, 0.10 mi away0.35 mi

38 sales inside 0.35 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 search

Estimated sale price today

Medium confidence

$3,804,000

$2,739,000estimated range$4,679,000

From 38 comps at a weighted median of $1,769 per sqft.

Block
2751
Lot
019
Sales
Oct 2025 to Oct 2026
Prices adjusted to
2026-10-31
Within
0.35 mi
Sold since
May 2025

What other buyers offered

No one has reported a losing offer on this home yet.

Create a free account to see offers and add yours

Free, and there is no password: we email you a sign-in code. Already a member? The same button signs you in.

Interested in this home?

Answer a few quick questions and we'll show you what to do next, from getting pre-approved to making an offer.

I'm interested

Sale prices versus asking

Similarity-weighted median: 30.6% above final asking.

Middle half: 7.9% above asking to 46.9% above asking.

30 of 38 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 (38)

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.

AddressSoldPriceFinal askingSale vs. askingAdj. today$/sqftSizeDist.WhyMatch
537 Liberty St2026-08-20$3.58M$3,699,000$119,000 below asking (3.2%)$3.78M$1,6675bd 3ba 2,269sf0.18 misimilar size, recent
591 Diamond St2026-10-05$4.38M$3,295,000$1,080,000 above asking (32.8%)$4.19M$1,7693bd 4ba 2,370sf0.29 misame street, similar size, recent
4431 19th St2026-04-24$2.6M$2,500,000$100,000 above asking (4.0%)$2.66M$1,3023bd 2ba 2,046sf0.17 misimilar size
4048 23rd St2026-05-15$4.79M$3,195,000$1,594,423 above asking (49.9%)$4.96M$2,3354bd 2ba 2,122sf0.34 misimilar size
4118 20th St2026-04-29$4.4M$2,995,000$1,405,000 above asking (46.9%)$4.51M$1,9724bd 4ba 2,287sf0.20 misimilar size
80 Diamond St2026-04-22$3.83M$2,995,000$833,000 above asking (27.8%)$3.92M$1,8773bd 3ba 2,090sf0.27 misame street, similar size
282 Eureka St2026-03-30$3.9MNo asking price—$4.05M$1,7264bd 3ba 2,346sf0.10 misimilar size
3853 22nd St2026-03-10$4.58M$2,598,000$1,977,000 above asking (76.1%)$4.75M$2,2593bd 3ba 2,103sf0.26 misimilar size
3983 19th St2026-02-11$3.3M$3,295,000$5,000 above asking (0.2%)$3.53M$1,5984bd 3ba 2,208sf0.28 misimilar size
4048 22nd St2026-07-15$3.77MNo asking price—$4.02M$1,6063bd 2ba 2,500sf0.19 mi
316 Douglass St2026-04-09$4.2M$3,695,000$505,000 above asking (13.7%)$4.3M$1,7793bd 4ba 2,420sf0.19 mi
3761 21st St2026-02-03$4.63M$4,295,000$340,000 above asking (7.9%)$4.96M$2,2034bd 4ba 2,250sf0.29 misimilar size
4367 21st St2026-05-11$3.13M$2,395,000$733,000 above asking (30.6%)$3.24M$1,7174bd 3ba 1,885sf0.25 mi
308 Diamond St2025-11-12$3M$2,750,000$250,000 above asking (9.1%)$3.49M$1,9113bd 2ba 1,828sf<0.05 minearby on same street
323 Eureka St2026-03-12$5M$3,495,000$1,504,999 above asking (43.1%)$5.19M$2,0164bd 4ba 2,576sf0.07 mi
731 Noe St2026-06-24$3.55M$2,695,000$855,000 above asking (31.7%)$3.68M$2,0803bd 2ba 1,769sf0.24 mi
3974 22nd St2026-02-23$3.08M$2,795,000$280,000 above asking (10.0%)$3.29M$1,7773bd 2ba 1,850sf0.19 mi
306 Diamond St2025-11-13$2.6M$1,750,000$850,000 above asking (48.6%)$3.03M$1,6853bd 2ba 1,797sf<0.05 minearby on same street
441 Douglass St2026-05-18$4.5MNo asking price—$4.66M$1,7013bd 4ba 2,737sf0.13 mi
730 Elizabeth St2026-05-13$2.85MNo asking price—$2.95M$1,5941ba 1,850sf0.35 mi
359 Diamond St2026-02-04$2.23MNo asking price—$2.39M$1,5423bd 2ba 1,550sf<0.05 minearby on same street
359 Douglass St2026-03-11$2.06M$1,195,000$860,000 above asking (72.0%)$2.13M$1,2802bd 1ba 1,667sf0.14 mi
32 Carson St2026-04-17$3.4M$2,585,000$815,000 above asking (31.5%)$3.48M$2,0873bd 3ba 1,670sf0.21 mi
335 Diamond St2026-04-08$6.42M$6,800,000$375,000 below asking (5.5%)$6.58M$2,0723bd 3ba 3,178sf<0.05 minearby on same street
279 Diamond St2026-01-28$4.58M$3,495,000$1,085,000 above asking (31.0%)$5.34M$1,7734bd 3ba 3,010sf0.06 minearby on same street
553 Douglass St2026-08-27$5M$3,785,000$1,214,999 above asking (32.1%)$5.28M$1,7075bd 4ba 3,095sf0.20 mirecent
143 Collingwood St2026-06-08$4.85M$3,695,000$1,155,000 above asking (31.3%)$5.03M$1,7364bd 4ba 2,895sf0.20 mi
476 Liberty St2026-09-28$5.6M$3,795,000$1,805,000 above asking (47.6%)$5.6M$1,7474bd 4ba 3,205sf0.25 mirecent
701 Castro St2026-04-21$4.29MNo asking price—$4.4M$3,0262ba 1,453sf0.12 mi
522 Liberty St2025-11-26$2.1M$2,195,000$95,000 below asking (4.3%)$2.45M$1,5193bd 2ba 1,610sf0.19 mi
278 Eureka St2026-01-02$2.52MNo asking price—$2.94M$2,0293bd 1ba 1,450sf0.11 mi
4031 22nd St2025-10-31$2.53M$1,495,000$1,038,000 above asking (69.4%)$2.9M$1,8932bd 2ba 1,530sf0.21 mi
343 Cumberland St2026-09-03$3.17M$1,995,000$1,180,000 above asking (59.1%)$3.17M$2,5733bd 2ba 1,234sf0.30 mirecent
4558 19th St2026-06-12$5.4M$5,495,000$95,000 below asking (1.7%)$5.6M$1,4905bd 6ba 3,757sf0.25 mi
4075 20th St2026-06-26$5.58M$4,295,000$1,285,000 above asking (29.9%)$5.78M$1,7754bd 3ba 3,258sf0.26 mi
761 Noe St2026-03-27$1.52M$1,595,000
cut from $1.65M
$70,000 below asking (4.4%)$1.58M$1,2632bd 1ba 1,254sf0.24 mi
465 Liberty St2025-12-22$1.81M$1,388,000$419,000 above asking (30.2%)$2.14M$1,6652bd 2ba 1,284sf0.27 mi
4001 21st St2026-01-06$8.16MNo asking price—$9.51M$2,5020bd 0ba 3,800sf0.10 mi