Residential > Multi-family
Off-Market
Sold Price
$--$--/ft²
509 511 21st Ave
San Francisco, CA 94121
- 4Beds
- 2Baths
- 2,820ft²Living Area
- 2,062ft²Lot Size
- -Pool
- -Car
- 1922Year Built
- -DOM
- 10Permits
509 511 21st Ave, San Francisco, CA 94121 is a 4 bed, 2 bath, 2,820 ft² multi-family home house built in 1922 on a 0.047 acre lot with 10 construction permits. This multi-family home is currently off market. The latest TopHap estimate of the multi-family home's value is $1,817,000.
Property Valuations
Latest estimates for 509 511 21st Ave based on TopHap automated valuation model (AVM).
TopHap Estimate
$1,817,000
$644/ft²
Updated 5 months ago
509 511 21st Ave is valued at $1,817,000 by TopHap AVM 5 months ago.
Permits
509 511 21st Ave has 10 permit records of total value of $15,753.
Permit History
10
Permits
$15,753
Total Permit Value
July 30, 2015
Description: Install new fiber cement siding over existing siding at the rear of the building only. No work at the front facadeJob Value: $5,000Status: completeType: BuildingBusiness Name: LH GAO Construction INCEffective Date: 2015-07-30Permit Number: 201507091011
July 9, 2015
Description: Street spaceJob Value: $1Status: issuedType: BuildingEffective Date: 2015-07-09Permit Number: M601927
December 1, 2010
Description: SidewalkJob Value: $1Status: issuedType: BuildingEffective Date: 2010-12-01Permit Number: M231268
July 21, 2008
Description: Street space permit onlyJob Value: $1Status: issuedType: BuildingEffective Date: 2008-07-21Permit Number: M126748
November 13, 2007
Description: Replace garage door (existing) in kindJob Value: $750Status: completeType: BuildingBusiness Name: UndecidedEffective Date: 2007-11-13Permit Number: 200709061953
August 16, 2007
Description: Reroofing reroofingJob Value: $5,000Status: completeType: BuildingBusiness Name: NEW City Construction Group INCEffective Date: 2007-08-16Permit Number: 200708109362
June 17, 2004
Description: 12 receptacles 16 circuits & 1-100 amps panel. Replace the electrical panel for the flat.add the plug for the dryer and put in 11 plugs for the unitStatus: completeType: ElectricalBusiness Name: Yeung Kong ElectricEffective Date: 2004-06-17Permit Number: E200406083778
February 4, 2003
Description: Change current units panel to digger panel to accomidate extra circuits install wiremold and curcuits exterior and interior of building to trovide curcuits por bedroom kitchen livingroom and dinningroomStatus: completeType: ElectricalBusiness Name: Alvin W ElectricEffective Date: 2003-02-04Permit Number: E200301132732
December 17, 1997
Description: Remove illegal rooms & convert back to orig garage use @ grdJob Value: $5,000Status: completeType: BuildingEffective Date: 1997-12-17Permit Number: 9717484
December 2, 1997
Description: Remove and cap pipes as required under building permit application no. 9717484Status: issuedType: plumbingBusiness Name: Complete EnvironmentEffective Date: 1997-12-02Permit Number: 362648
Current Ownership
Information about the current owner(s).
Taxes Billed
Taxes billed in 2023$5,910.98From latest Total Assessed Value1.39%Total Assessed Value$426,687=Land+
Assessed Value$184,624Additions
Assessed Value$242,063
In 2023, taxes billed for 509 511 21st Ave were $5,910.98, which is 1.39% from latest Total Assessed Value of $426,687.
Property History
509 511 21st Ave has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).
Property Events
Environment
Environmental factors around 509 511 21st Ave
Hazard Risks
Earthquake513Particulates101Nat'l Avg100Ozone88Carb Mono85Air Pollution83Lead43Tornado8Weather1Hail0Hurricane0Wind0
9 hazards (Carbon Monoxide, Earthquake Risk, Tornado Index, Air Pollution Index, Ozone Index, Weather Risk, Lead Index, Particulate Matter, National Average) are above the national average around 509 511 21st Ave.
Walkability Index
16 /20
Most Walkable
20-18
Very Walkable
17-15
Somewhat Walkable
14-10
Car Dependent
9-0
509 511 21st Ave has a walkability score of 16 out of 20, which means that it is in a very walkable area.
Noise Level
41 dB
Quiet Suburban Residential 0-49
Suburban Residential 50-54
Urban Residential 55-59
Noisy Urban Residential 60-64
Very Noisy Urban Residential 65+
Noise at 509 511 21st Ave is around 41dBs, which is comparable to a Quiet Suburban Residential area.
Temperature
Seasonal temperature sampled over multiple years
Winter
Average
Low
44°F
High
58°F
Summer
Average
Low
53°F
High
67°F
In the winter at 509 511 21st Ave, temperatures range from 43.53°F to 57.72°F with an average of 50.63°F. In the summer, the temperature ranges from 53.06°F to 66.55°F with and average of 59.81°F.
School Information
Public/private schools serving 509 511 21st Ave
Public Schools
June Jordan School for Equity
Grades: 9-12
5.05 mi
Lowell Alternative High School
Grades: 9-12
3.29 mi
A+
Ruth Asawa School of the Arts High School
Grades: 9-12
2.84 mi
Thurgood Marshall Academic High School
Grades: 9-12
5.20 mi
F
Abraham Lincoln High School
Grades: 9-12
2.19 mi
B+
Argonne Elementary School
Grades: KG-5
0.29 mi
A-
Balboa High School
Grades: 9-12
4.49 mi
B
Mission High School
Grades: 9-12
3.12 mi
D-
San Francisco International High School
Grades: 9-12
4.51 mi
The Academy - SF @ McAteer
Grades: 9-12
2.84 mi
Presidio Middle School
Grades: 6-8
0.53 mi
A
John O'Connell High School
Grades: 9-12
3.83 mi
D-
Galileo Academy of Science & Technology High School
Grades: 9-12
3.59 mi
B+
George Washington High School
Grades: 9-12
0.58 mi
B
Raoul Wallenberg Traditional Alternative High School
Grades: 9-12
1.89 mi
A-
Phillip and Sala Burton Academic High School
Grades: 9-12
5.64 mi
B-
* The school rating is based entirely on the test score performance of each school. It is based on a scale of A-F, A being best.
Nearby public schools serving 509 511 21st Ave have ratings undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined, and undefined.
Neighborhood
This property is located in The Richmond District, San Francisco, CA 94121.
Seasonal Housing units 94121
7%of housing is for seasonal rent.
Daytime Population for 94121
-12%of people during work hours.
Boundary map of The Richmond District.
Crime Index for 94121
79
79
The crime index in 94121 is 79, which is 0.8 times lower than national average.
Market Trends
Historical market data near 509 511 21st Ave over selected time period.
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