Free SF apartment background check

510 Page St

Hayes Valley, SF 94117 0842006 6 units · 3 fl · 1913

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Hayes Valley
At or below average
avg 2.3
0
FewerMore

This building has 0 novs (7y), at or below the Hayes Valley average of 2.3.

Rent & eviction protection

Is 510 Page 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 1913
2 or more units
6 units
Property type
Multi-Family Residential
Zoning
RM1
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
Units6
Floors3
Year built1913
Total area5,508 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot0842006
Ownership

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

Owner name
Page 510 Lp
Mailing address
Rudy Colombini 1353 Bush St # 112 San Francisco CA 94109
Last sale
011514

Landlord portfolio

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

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Augrented Insights
Initial analysis

The 6-unit, 3-story apartment building at 510 Page Street in Hayes Valley, owned by Page 510 Lp, was constructed in 1913 and has undergone numerous infrastructure upgrades over the years, with particular attention to fire safety systems. Most notably, a comprehensive fire alarm installation was completed in August 2023 at a cost of $15,000, followed by multiple related electrical permits filed in January 2024 indicating continued fire safety improvements. The building experienced a significant plumbing emergency in May 2023 involving sewage leakage from the garage, which was reported and subsequently resolved. Between 2002 and 2003, the building faced multiple violations including issues with weatherproofing, fire escape maintenance, window repairs, and combustible storage concerns, though all these violations were abated by August 2003.

The property's fire safety infrastructure has been proactively maintained, with regular inspections and repairs to the fire alarm system and sprinklers. Recent fire alarm system work includes connections for sprinkler monitoring completed in 2011 and a new fire protection system installation in 2010. The building has experienced several fire system malfunctions over the years, with records showing 735 alarm system activations due to malfunction between 2010 and 2018, though none resulted in civilian injuries. In 2017, two fire code violations were recorded related to the alarm system and sprinkler maintenance, both of which were promptly addressed. The building underwent significant interior improvements around 2007-2012, including kitchen and bathroom remodels in several units and various plumbing repairs. Recent electrical work completed in early 2024 suggests ongoing maintenance and upgrades to building systems.

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

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Risk rating

How 510 Page 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
38th percentile

Out of 1027 buildings in this neighborhood, 637 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
60%
No DBI
violation
40%
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.

Number of units

The number of units affects how the model reads complaint and violation totals — more units means more potential sources.

DBI tenant complaints (past 7 years)

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

Owner's portfolio size

Number of SF parcels this owner is registered on — larger portfolios have distinct risk patterns.

12-Month severity forecast
No violation 48.2%
Moderate concern 35.7%
Severe concern 16.1%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

510 Page St apartment reviews

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The story over time

510 Page St event timeline

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

2025
311 Request Mar 25
Parking on sidewalk
Parking Enforcement

See all 10 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 510 Page St apartments

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

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

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