830 20th St, Apt 309, Boulder, CO 80302 Property Records

Boulder County property record for 830 20th St, Apt 309, Boulder, CO 80302

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 620 sqft · built 1963
Lot Size	0.001 acres (24 sqft)
Owner	2 Individual Names on Record
Last Sale	$140,000 (Feb 2007)
Tax Bill	$2,311 (2025)
Deeds & Mortgages	Dec 2023 Transfer Sep 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`1463-31-4-14-033`

Property Details

APN / Parcel Number

Primary APN	`1463-31-4-14-033`
Alternative APNs	`R0083199` `0083199`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	620 sqft Living Area
1st Floor Area	620 sqft

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	Condo/Apartment
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Built-Up Asphalt
Lot Area	24 sqft (0.001 acres)

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0083199
Street Address	830 20TH ST, 309
City	BOULDER
State	CO
Zip	80302-7744
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 309 SAN MARCO SOUTH CONDOS & 2.31 % UND INT COMMON ELEMENTS
Legal Subdivision	SAN MARCO SOUTH CONDOS - BO
Legal Block	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2013
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	2 Individual Names on Record
Mailing Address	6767 S VINE ST, CENTENNIAL, CO 80122-3171
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 14, 2023	Quit Claim Deed, Transfer Quitclaim
Sep 21, 2023	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 1, 2007 · Amount on Record
Deed Sale	Feb 1, 2007 · Amount on Record
Prior Sale	Aug 8, 2000 · Amount on Record
Deed Document Number	20072833673
Last Transfer Date	Dec 8, 2023
Transfer Doc	0004031205
Record Updated	Oct 29, 2026

December 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 14, 2023
Property Address	830 20TH ST APT 309, 309, BOULDER, CO 80302-7744
Document Number	0004031205
Map Reference	DOC 343841
Instrument Date	Dec 8, 2023
Instrument	4031205
Transaction Type	Transfer
Record Updated	Jan 18, 2024

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	6767 S VINE ST # 1193, 1193, CENTENNIAL, CO 80122-3171

September 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Sep 21, 2023
Property Address	830 20TH ST APT 309, 309, BOULDER, CO 80302-7744
Document Number	0004022369
Map Reference	DOC 341414
Instrument Date	Sep 20, 2023
Instrument	4022369
Transaction Type	Transfer
Record Updated	Nov 1, 2023

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6767 S VINE ST # 1193, 1193, CENTENNIAL, CO 80122-3171

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		$22,907 (-2.08%) Building $22,907	$374,300 (-) Building $374,300
2025	$2,311.00 (+26.28%)	$23,394 (-2.58%) Building $23,394	$374,300 (+4.44%) Building $374,300
2023	$1,830.00 (-13.52%)	$24,013 (+9.23%) Building $24,013	$358,402 (+13.31%) Building $358,402
2022	$2,116.00	$21,983 Building $21,983	$316,300 Building $316,300

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	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond 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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