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770 Great Hwy

Outer Richmond, SF 94121 1595037 3 units · 3 fl · 1990

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 Outer Richmond
At or below average
avg 0.7
0
FewerMore

This building has 0 novs (7y), at or below the Outer Richmond average of 0.7.

Rent & eviction protection

Is 770 Great Hwy 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 1990
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RM1
Not rent-controlled. Buildings constructed after 1978 are generally exempt from SF rent increase limits under the Costa-Hawkins Act.

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

Building characteristics
Units3
Floors3
Year built1990
Total area4,473 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1595037
Ownership

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

Owner name
Ng Fmly Revoc Tr
Mailing address
Ng Tom H & Isabelle Trustee 770 Great Hwy Apt.C San Francisco CA 94121
Last sale
050500

Landlord portfolio

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

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Augrented Insights
Initial analysis

The three-story multi-family residential building at 770 Great Highway in the Outer Richmond, owned by the Ng Family Revocable Trust, was constructed in 1990 as a three-unit structure containing three bedrooms and two baths per unit. However, several complaints and planning records between 2014 and 2016 indicate unauthorized conversion to four units, with reports from both Housing Inspection Services and the Building Inspection Division noting poor maintenance concerns. This unauthorized conversion has been confirmed in multiple complaints and planning records, with one record specifically mentioning the out-of-town property owner's actions. Building improvements include a completed reroofing project from 2018 valued at $17,200, and a furnace installation from 2015, though the latter permit has since expired.

The building has experienced several maintenance-related incidents, including two minor fire-related events in 2016 (a broken light ballast and a water/steam leak) - fortunately, none resulted in civilian injuries. While recent exterior issues have been noted with multiple graffiti cases recorded in October 2024 around the property, these are more related to building vicinity than structural concerns. There have also been several reports of illegal parking and one abandoned vehicle incident near the property in 2024, though enforcement officers were typically unable to locate any violations upon arrival. A garbage and debris report from September 2024 regarding an abandoned refrigerator was resolved, and there was one resolved case of illegal parking in September 2024.

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

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Risk rating

How 770 Great Hwy'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
20th percentile

Out of 1040 buildings in this neighborhood, 832 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
70%
No DBI
violation
30%
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.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

Building size

Total floor area — a proxy for building scale and the number of systems (plumbing, electrical, HVAC) that can fail.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

12-Month severity forecast
No violation 56.4%
Moderate concern 22.1%
Severe concern 21.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

770 Great Hwy apartment reviews

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The story over time

770 Great Hwy event timeline

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

2025
311 Request Jun 13
Garbage and debris
furniture

See all 2 events

Full history back to 2024 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 770 Great Hwy 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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