Free SF apartment background check

52 Mars St

Corona Heights, SF 94114 2654008 3 units · 2 fl · 1900

This building has more problems than most buildings in this neighborhood. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Corona Heights
At or below average
avg 1.2
1
FewerMore

This building has 1 novs (7y), at or below the Corona Heights average of 1.2.

Rent & eviction protection

Is 52 Mars St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1900
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RH2
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units3
Floors2
Year built1900
Total area2,075 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot2654008
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Neely Sharon Riley
Mailing address
25 Augusta Way South Yarmouth MA 02664
Last sale
032621

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

Unlock complete report
Augrented Insights
Initial analysis

The three-unit residential property at 52 Mars Street in Corona Heights, owned by Sharon Riley Neely, is a two-story flats and duplex building constructed in 1900. The building has undergone significant maintenance and upgrades over the past few years, including a complete reroofing in 2022 (cost: $14,000), major repairs to address damage from dry-rot in 2022 (cost: $61,000), and comprehensive electrical work for an ADU installation in 2023. A notable incident occurred in December 2021 when unauthorized construction work was reported, leading to an active building violation that was referred to a director's hearing in February 2023, though there is no current record of abatement. The property has seen multiple infrastructure improvements, including the installation of a solar PV system with battery storage in December 2022, and plumbing upgrades across various units between 2021 and 2023, though some permits were initially expired and required renewal.

The building has experienced periodic tenancy turnover, with two recorded tenant buyouts in 2021 ($30,000) and 2023 ($95,000). There have been several parking-related issues near the property, with multiple 311 calls regarding sidewalk blocking between 2021 and 2024, though most of these cases resulted in officers being unable to locate the vehicles in question. Historical records from the 1990s show repeated roofing issues, with three documented reroofing projects between 1992 and 1997, suggesting this remains an ongoing maintenance priority. The property's status as a three-unit building has been the subject of scrutiny, with planning records indicating possible concerns about work done to a rear non-conforming structure and its impact on unit count, though recent documents confirm the property has three documented residential units on record.

AI-generated · may contain errors · check the source data tables below

Free account unlocks the full analysis — plus 2× more records across all data categories and the complete landlord portfolio.
Risk rating

How 52 Mars St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
28th percentile

Out of 348 buildings in this neighborhood, 251 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
72%
No DBI
violation
28%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

DBI tenant complaints (past 7 years)

Formal complaints tenants filed with DBI about this building over 7 years.

Director's hearing rate, owner's portfolio

Per-building rate of director's hearings across the owner's portfolio.

Director's hearings (past 7 years)

Director's hearings are escalated enforcement actions for buildings that haven't resolved violations — a serious signal.

12-Month severity forecast
No violation 64.5%
Moderate concern 31.9%
Severe concern 3.6%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

52 Mars St apartment reviews

Real experiences from people who have lived here. Share yours to help other renters decide.

Share your experience — Help other renters by leaving an honest apartment review

Loading reviews…

On the map

Compare nearby alternatives

This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

Buildings nearby
Loading…
The story over time

52 Mars St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2025
Plumbing Permit Dec 14
Work category: 1m; furnace change out
Issued
Electrical PermitMay 27
Sub panel installation. bathroom, kitchen, living room knob and tube rewiring

See all 15 events

Full history back to 2021 — violations, complaints, permits, buyouts, and fire incidents.

Unlock complete timeline
Every record we have

Full data for 52 Mars St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

Still apartment hunting in SF?

Look up the next apartment before you sign

Search any SF address free — no account needed to see the risk rating.

Simple pricing

Get the complete picture

Every plan unlocks the complete report: all 13 SF datasets, full history, landlord portfolio, and PDF & Excel exports.

Report Bundle

For the buildings you're deciding on right now

$10 one-time

~$3.33 per building. No subscription ever. Each credit unlocks one building's premium report for 30 days.

  • 3 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 3 Reports — $10

Apartment Hunter

For a wide search across many buildings

$39 one-time

30 reports — ~$1.30 each. No subscription ever.

  • 30 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 30 Reports — $39

Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

Watch 52 Mars St
Get alerted the moment a new violation or complaint is filed.