1790 Sumac Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1790 Sumac Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,566 sqft · built 1916
Lot Size	0.476 acres (20,754 sqft)
Owner	Individual Name on Record
Last Sale	$225,500 (Apr 1994)
Tax Bill	$5,891 (2025)
Deeds & Mortgages	Oct 2026 Line of Credit Apr 2026 Line of Credit
Flood Zone	Zone AE (high risk)
APN	`1463-18-3-24-019`

Property Details

APN / Parcel Number

Primary APN	`1463-18-3-24-019`
Alternative APNs	`R0077898` `0077898`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,566 sqft Living Area
Gross Area	1,884 sqft
1st Floor Area	736 sqft
Basement Area	908 sqft
Finished Basement	830 sqft
Unfinished Basement	78 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1916
Effective Year Built	Effective 1953
Architectural Style	Ranch
Exterior Material	Wood Shake/Shingle
Construction Type	Frame
Lot Area	20,754 sqft (0.476 acres)
Garage Type	Attached
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	70 sqft
Deck Area	326 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0077898
Street Address	1790 SUMAC AVE
City	BOULDER
State	CO
Zip	80304-0814
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 5 & 15 BLK 11 MOORES & 30 FT VAC RIVERSIDE AV
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	MOORES & REPLAT LOT 15 BLK 30 - BO
Legal Block	11
Legal Lot Number	5
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3000
Census Tract	12105

Owner

Source: Boulder County records, as of October 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	1790 SUMAC AVE, BOULDER, CO 80304-0814
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 6, 2026	Deed of Trust, Mortgage · Line of Credit PNC BANK
Apr 2, 2026	Deed of Trust, Mortgage · Line of Credit P N C BANK NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 4, 1994 · Amount on Record
Deed Sale	Apr 4, 1994 · Amount on Record
Prior Sale	Aug 4, 1987 · Amount on Record
Deed Document Number	19941412258
Last Transfer Date	Oct 28, 2002
Transfer Doc	0002352502
Record Updated	Oct 29, 2026

October 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Oct 6, 2026
Property Address	1790 SUMAC AVE, BOULDER, CO 80304-0814
Document Number	0004149782
Instrument Date	Sep 26, 2026
Instrument	20264149782
Transaction Type	Mortgage
Record Updated	Oct 16, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1790 SUMAC AVE, BOULDER, CO 80304-0814

Mortgage

Document Number	0004149782,
Date	Oct 6, 2026
Instrument	20264149782

Lender

Name	PNC BANK

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	480 Months
Due	Oct 12, 2066

Interest

Max Rate	-1%

April 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Recording Date	Apr 2, 2026
Property Address	1790 SUMAC AVE, BOULDER, CO 80304-0814
Document Number	0004126201
Instrument Date	Mar 17, 2026
Instrument	20264126201
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1790 SUMAC AVE, BOULDER, CO 80304-0814

Mortgage

Document Number	0004126201,
Date	Apr 2, 2026
Instrument	20264126201

Lender

Name	P N C BANK NA

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	479 Months
Due	Mar 20, 2066

Interest

Rate	6.01%
Max Rate	-1%

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$62,472 (+1.1%) Land $55,749 Building $6,723	$988,700 (-) Land $889,830 Building $98,870
2025	$5,891.00 (+3.13%)	$61,793 (-10.03%) Land $55,614 Building $6,179	$988,700 (-3.55%) Land $889,830 Building $98,870
2024	$5,712.00 (+1.76%)
2023	$5,613.00 (+11.9%)	$68,682 (+27.15%) Land $61,814 Building $6,868	$1,025,100 (+31.9%) Land $922,590 Building $102,510
2022	$5,016.00	$54,016 Land $48,614 Building $5,402	$777,200 Land $699,480 Building $77,720

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 32 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	32 in force
Nearby Flood Claims	26 (2005–2015)
Claims Outside the SFHA	10 of 26
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 23 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 62% of the US · lower than 79% of Colorado
Wildfire Likelihood	0.07% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 384 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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