421 27th St in San Francisco is pending, listed at $2,995,000 on September 18, 2026. That works out to $1,454 per square foot for a 4-bedroom, 3-bath single-family home built in 1893. The 2,060 sq ft house sits in Noe Valley, which Houseberry scores 3.2/5 overall, 2.4/5 for schools and 4.2/5 for safety — 61st of 92 neighborhoods in San Francisco — with a typical home price of $2.53M.
| Date | Event & Source | Price | Change |
|---|---|---|---|
| Sep 18, 2026 | Listed SFAR | $2,995,000 |
| School Name | Type | Grades | Distance | Houseberry School Score |
|---|---|---|---|---|
| Alvarado Elementary | Primary | K-5 | 0.7 mi |
Click links for school listing
info at GreatSchools.org
Houseberry School Score Data
from CA Dept. of Education
Houseberry recommends using these scores as only a starting point, and conducting your own investigation into what schools fit best for your preferences. School boundaries are not guaranteed and may change. It is important to contact the appropriate school district to confirm enrollment eligibility before making any decision to move to a neighborhood.

5.0

3

3.5
Overall Amenities score: 3.6
Houseberry has recorded 72 sales of 3–5 bedroom houses in Noe Valley since September 2025.
Their median sale price was $3.59M, and they took a median of 24 days to sell. 33 of the 72 sold above asking.
| Address | Sold | Price | Per sq ft |
|---|---|---|---|
| 1504 Sanchez St | Oct 2026 | $2.65M | $2,181 |
| 346 Duncan St | Oct 2026 | $6.35M | $1,971 |
| 591 Diamond St | Oct 2026 | $4.38M | $1,846 |
| 941 Diamond St | Oct 2026 | $5.66M | $1,794 |
| 29 Newburg St | Sep 2026 | $3M | — |
| 313 Duncan St | Sep 2026 | $6.8M | $2,271 |
| 424 28th St | Sep 2026 | $3.13M | $1,350 |
| 471 Hoffman Ave | Sep 2026 | $9.1M | $2,132 |
This home is listed at $2,995,000, 17% below that median.
421 27th St sits in Noe Valley, San Francisco. Houseberry ranks Noe Valley 61st of the 92 neighborhoods we score in San Francisco.
Houseberry holds attendance boundaries covering 421 27th St for Alvarado Elementary (elementary school, K-5) 0.7 mi away. We hold no middle school and high school boundary for this address, which does not mean there is no such school nearby.
421 27th St is asking $2,995,000, on the market since September 18, 2026. It is currently under contract.
421 27th St works out to $1,454 per square foot, from the $2,995,000 asking price across 2,060 square feet.
Houseberry scores Noe Valley 3.2 out of 5 overall, with 2.4 for schools and 4.2 for safety, each on the same five-point scale.
See the full Noe Valley profileHouseberry has recorded 201 sales in Noe Valley since September 2025.
Neighborhood data last updated September 26, 2026


