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1660 Mason St 9 Unit Apartment Building $3,295,000 ($366,111/Unit) 6.28% Cap Rate San Francisco, CA 94133
Executive Summary
Charming 9-Units in Spectacular North Beach Location!
The building is located on the corner of Mason and Green, which lies just steps from famed Columbus Avenue. An abundance of activity surrounds the building: Italian restaurants, shops, parks, epic SF views and attractions!
The charming Victorian architecture features curved windows in the living rooms, intricate Victorian molding and siding, high interior ceilings and remarkable presence.
The nine units are spread over three floors which presents a quant feel to each living enclave. Additionally; there’s a basement with storage and laundry as well as rooftop access.
Combining location, amenities, and style, this property benefits from its attributes by boasting continual occupancy and ease of replacing (tenancy) if needed.
Any/all offers shall be due by 11:00am on Monday September 14, 2026. Please allow up to 24 hours for a response from Sellers.
*NO TOURS - Please make offer subject to inspection.*
Contact Listing Agent for Disclosure Package & Other Information
The building is located on the corner of Mason and Green, which lies just steps from famed Columbus Avenue. An abundance of activity surrounds the building: Italian restaurants, shops, parks, epic SF views and attractions!
The charming Victorian architecture features curved windows in the living rooms, intricate Victorian molding and siding, high interior ceilings and remarkable presence.
The nine units are spread over three floors which presents a quant feel to each living enclave. Additionally; there’s a basement with storage and laundry as well as rooftop access.
Combining location, amenities, and style, this property benefits from its attributes by boasting continual occupancy and ease of replacing (tenancy) if needed.
Any/all offers shall be due by 11:00am on Monday September 14, 2026. Please allow up to 24 hours for a response from Sellers.
*NO TOURS - Please make offer subject to inspection.*
Contact Listing Agent for Disclosure Package & Other Information
Financial Summary (Actual - 2025) Click Here to Access |
Annual | Annual Per SF |
|---|---|---|
| Gross Rental Income |
$99,999
|
$9.99
|
| Other Income |
-
|
-
|
| Vacancy Loss |
-
|
-
|
| Effective Gross Income |
$99,999
|
$9.99
|
| Taxes |
$99,999
|
$9.99
|
| Operating Expenses |
$99,999
|
$9.99
|
| Total Expenses |
$99,999
|
$9.99
|
| Net Operating Income |
$99,999
|
$9.99
|
Financial Summary (Actual - 2025) Click Here to Access
| Gross Rental Income | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
| Other Income | |
|---|---|
| Annual | - |
| Annual Per SF | - |
| Vacancy Loss | |
|---|---|
| Annual | - |
| Annual Per SF | - |
| Effective Gross Income | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
| Taxes | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
| Operating Expenses | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
| Total Expenses | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
| Net Operating Income | |
|---|---|
| Annual | $99,999 |
| Annual Per SF | $9.99 |
Property Facts
| Price | $3,295,000 | Apartment Style | Low-Rise |
| Price Per Unit | $366,111 | Building Class | C |
| Sale Type | Investment | Lot Size | 0.06 AC |
| Cap Rate | 6.28% | Building Size | 6,750 SF |
| Gross Rent Multiplier | 10.96 | Average Occupancy | 100% |
| No. Units | 9 | No. Stories | 3 |
| Property Type | Multifamily | Year Built | 1908 |
| Property Subtype | Apartment | ||
| Zoning | RM2 | ||
| Price | $3,295,000 |
| Price Per Unit | $366,111 |
| Sale Type | Investment |
| Cap Rate | 6.28% |
| Gross Rent Multiplier | 10.96 |
| No. Units | 9 |
| Property Type | Multifamily |
| Property Subtype | Apartment |
| Apartment Style | Low-Rise |
| Building Class | C |
| Lot Size | 0.06 AC |
| Building Size | 6,750 SF |
| Average Occupancy | 100% |
| No. Stories | 3 |
| Year Built | 1908 |
| Zoning | RM2 |
Amenities
- Smoke Detector
Unit Amenities
- Disposal
- Heating
- Tile Floors
- Kitchen
- Hardwood Floors
- Refrigerator
- Oven
- Views
- Carpet
- Vinyl Flooring
Site Amenities
- Laundry Facilities
- Storage Space
- Smoke Detector
Unit Mix Information
| Description | No. Units | Avg. Rent/Mo | SF |
|---|---|---|---|
| 2+1 | 5 | $2,611 | - |
| 1+1 | 4 | $2,266 | - |
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Exceptionally walkable
100/100
Moderately drivable
60/100
Exceptional public transit
100/100
Moderately bikeable
60/100
Property Taxes
| Parcel Number | 0129-025 | Total Assessment | $1,859,274 (2026) |
| Land Assessment | $597,427 (2026) | Annual Taxes | ($1) ($0.00/SF) |
| Improvements Assessment | $1,259,597 (2026) | Tax Year | 2025 |
Property Taxes
Parcel Number
0129-025
Land Assessment
$597,427 (2026)
Improvements Assessment
$1,259,597 (2026)
Total Assessment
$1,859,274 (2026)
Annual Taxes
($1) ($0.00/SF)
Tax Year
2025
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Photos
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Street
Map
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Contact the Sale Advisor
1660 Mason St