851 16th St, #A, Boulder, CO 80302 Property Records

Boulder County property record for 851 16th St, #A, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.25 ba · 1,803 sqft · built 1938
Lot Size	0.14 acres (6,092 sqft)
Owner	Company Name on Record
Last Sale	$900,000 (Mar 2019)
Tax Bill	$9,577 (2025)
Deeds & Mortgages	Nov 2020 Transfer Apr 2019 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-31-3-19-017`

Property Details

APN / Parcel Number

Primary APN	`1463-31-3-19-017`
Alternative APNs	`R0008502` `0008502`

Interior

Bedrooms	5 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	1,803 sqft Living Area
Gross Area	2,118 sqft
1st Floor Area	800 sqft
Upper Floors Area	688 sqft
Basement Area	630 sqft
Finished Basement	315 sqft
Unfinished Basement	315 sqft
Interior Walls	Plaster

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1970
Exterior Material	Combination
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	6,092 sqft (0.14 acres)
Garage Type	Detached
Garage Area	483 sqft
Deck Area	558 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0008502
Street Address	851 16TH ST, A
City	BOULDER
State	CO
Zip	80302-7627
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOTS 37-38 BLK 21 UNIVERSITY PLACE
Legal Range	70
Legal Township	1N
Legal Section	31
Legal Subdivision	UNIVERSITY PLACE - BO
Legal Block	21
Legal Lot Number	37
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2002
Census Tract	12401

Owner

Source: Boulder County records, as of September 18, 2026

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

Owner of Record	Company Name on Record
Mailing Address	851 16TH ST, B, BOULDER, CO 80302-7627
Owner Type	Company

Deeds, Mortgages & Sale History

Date	Document
Nov 20, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Apr 4, 2019	Warranty Deed, Transfer NOT AVAILABLE
Mar 6, 2019	Warranty Deed, Transfer HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 6, 2019 · Amount on Record
Deed Sale	Mar 6, 2019 · Amount on Record
Prior Sale	Aug 5, 2014 · Amount on Record
Deed Document Number	20193700935
Last Transfer Date	Nov 18, 2020
Transfer Doc	0003835099
Record Updated	Oct 29, 2026

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Nov 20, 2020
Property Address	851 16TH ST # A, A, BOULDER, CO 80302-7627
Document Number	0003835099
Instrument Date	Nov 18, 2020
Instrument	3835099
Transaction Type	Transfer
Record Updated	Dec 21, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	851 16TH ST BOULDER CO 803027627, BOULDER, CO 80302-7627

April 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 4, 2019
Property Address	851 16TH ST # A, A, BOULDER, CO 80302-7627
Document Number	0003705715
Instrument Date	Apr 1, 2019
Instrument	3705715
Transaction Type	Transfer
Record Updated	Apr 11, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5470 SUNSHINE CANYON DR BOULDER CO 80302, BOULDER, CO 80302

March 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 6, 2019
Property Address	851 16TH ST # A, A, BOULDER, CO 80302-7627
Document Number	0003700935
Instrument Date	Feb 23, 2019
Instrument	3700935
Transaction Type	Transfer
Record Updated	Mar 15, 2019
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Tax	$90.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	5170 SUNSHINE CANYON DR BOULDER CO 803028753, BOULDER, CO 80302-8753

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		$103,605 (+4.02%) Land $54,421 Building $49,184	$1,593,600 (-) Land $870,300 Building $723,300
2025	$9,577.00 (+30.07%)	$99,600 (+20.17%) Land $54,394 Building $45,206	$1,593,600 (+23.33%) Land $870,300 Building $723,300
2024	$7,363.00 (-1.66%)	$82,886 (-7.41%) Land $51,738 Building $31,148	$1,292,100 (-3.29%) Land $827,200 Building $464,900
2023	$7,487.00 (+9.03%)	$89,518 (+22.39%) Land $55,422 Building $34,096	$1,336,100 (+26.96%) Land $827,200 Building $508,900
2022	$6,867.00	$73,142 Land $45,411 Building $27,731	$1,052,400 Land $653,400 Building $399,000

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 X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (2013)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

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	Moderate above 40% of the US · lower than 76% of Colorado
Wildfire Likelihood	0.06% annual chance
Exposure	Indirect within ember reach

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 481 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Magnolia Road Internet Cooperative.

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